For procurement managers and chemical engineers, achieving a favourable sodium sulphate wholesale price is a critical piece of the supply chain puzzle. Sodium sulphate, also known by its common name Glauber’s salt in its hydrated form, serves as an essential filler in detergent powders, a fluxing agent in glass manufacturing, a dyeing auxiliary in textiles, and a key additive in kraft paper pulping. In its anhydrous form (Na2SO4) with a purity of 99%, this versatile mineral delivers cost-efficiency and performance across multiple industries. But price isn’t just a number on a purchase order — it reflects purity, particle size, transportation logistics, and the reliability of the supplier. In this comprehensive guide, we’ll examine every dimension of sodium sulphate pricing, from the chemical properties that influence cost to the global market dynamics that shape your buying strategy.
Many buyers researching what is sodium sulphate common name will encounter “Glauber’s salt” for the decahydrate (Na2SO4·10H2O) and “salt cake” or simply “sodium sulfate” in industrial circles. For industrial procurement, however, the anhydrous form — sodium sulphate anhydrous — is the product of choice. This white crystalline powder is highly stable, has a neutral pH, and is completely free of the water of crystallisation that would otherwise dilute active content and add unnecessary freight weight. In its natural mineral state, anhydrous sodium sulphate appears as thenardite, while the hydrated form is mirabilite. But for buyers, the key specification is the anhydrous Na2SO4 content, which directly impacts formulation economics in detergents, glass batch melting, and pulp cooking.
The sodium sulphate wholesale price influences the final cost of goods in multiple high-volume industries. Detergent manufacturers rely on sodium sulphate as an inert filler that can constitute 20–40% of powder mass; even a $10 per metric ton fluctuation can shift a plant’s monthly expenditure by thousands of dollars. Glass producers use it as a fining agent and to supply sulphur trioxide for oxidation control; a consistent, competitive price helps stabilise furnace batch costs. Textile mills and kraft pulp mills equally depend on pricing visibility to maintain long-term contracts. Understanding the underlying pricing drivers transforms price from a commodity variable into a manageable line item.
The most direct cost driver is chemical purity. Standard technical grades may range from 92% to 99% Na2SO4, with higher purity commanding a premium. For demanding applications — optical glass, high-brightness detergent powders — a purity of 99% min is essential. Our sodium sulphate anhydrous 99% product eliminates the risk of discolouration or impurity-related defects, justifying its value in sensitive formulations. Traces of chlorides, iron, or insoluble matter can render a low-purity batch useless, making purity consistency a key price factor.
Anhydrous sodium sulphate is typically supplied as a fine powder (100–200 mesh) or a granular form. Fine powders dissolve faster but may require anti-caking agents and specialised pneumatic handling, while granular grades reduce dust and improve flowability but may cost slightly more due to additional processing. Buyers should match the particle size to their process: detergent spray drying often prefers fine powder for uniform blending, while glass batch plants may favour granular for easier conveyor handling. These specifications influence the quoted wholesale price per ton.
Sodium sulphate can be produced synthetically (Mannheim process reaction of salt and sulfuric acid) or recovered from natural brines and mineral deposits. Synthetic production is energy-intensive and closely tied to sulfuric acid and caustic soda markets, creating price volatility. Natural sources in China, India, and Mexico offer more stable supply curves. Hailei Fine Chemical leverages large-scale recovery and reliable supply chains to deliver a competitive sodium sulphate wholesale price without sacrificing quality. Buyers who understand these production pathways can better anticipate market shifts.
The detergent and glass sectors consume the lion’s share of global sodium sulphate, so seasonal demand spikes — pre‑holiday soap production, construction‑driven glass demand — can tighten supply and push up prices. Simultaneously, the availability of synthetic by-product sodium sulphate from rayon and silica pigment plants adds capacity, often at discounted rates for nearby buyers. Tracking these trends helps procurement teams time their bulk purchases advantageously.
Freight represents a substantial component of the delivered price. Sodium sulphate is typically shipped in 25 kg polypropylene bags, 1000–1250 kg supersacks, or in bulk containers. For export, container loads (20–25 metric tons) are common. The choice of packaging, distance to port, container availability, and applicable duties all influence the final wholesale price. Hailei’s export team optimizes packaging and inland logistics to keep landed costs low for overseas clients.
Specifications matter. Our 99% sodium sulphate anhydrous meets the rigorous requirements of:
Each application tolerates different impurity profiles. A buyer who fully defines the required specification can often negotiate a better sodium sulphate wholesale price by avoiding overspecification.
When evaluating a supplier, many technical buyers ask: is sodium sulphate soluble? The answer is yes, but its solubility behaviour is unusual. Anhydrous sodium sulphate dissolves readily in water, with solubility increasing dramatically from 4.76 g/100 mL at 0°C to a maximum of about 49.7 g/100 mL at 32.4°C — only to decrease to 42.5 g/100 mL at 100°C. This solubility curve stems from the transition from decahydrate to anhydrous salt above the transition temperature. For industrial users, this means:
From a pricing perspective, solubility rarely dictates cost directly, but it does influence packaging and storage requirements: moisture pickup in humid conditions can cause caking, so high-purity sodium sulphate must be stored in sealed, moisture‑proof bags — a factor that adds a small but real logistic cost.
The colour of sodium sulphate is one of the first inspection points for incoming material. Pure anhydrous sodium sulphate is a bright white crystalline powder. Any off‑white, grey, or yellowish tint signals contamination — often iron oxides, organic residues, or insufficient purification. For detergent producers, a slight colour cast can transfer to the final powder, compromising consumer acceptance. Glass makers reject iron-tainted sulphate because it can tint the glass green. At Hailei, our 99% grade consistently meets a whiteness index above 92%, ensuring that what you see in the sample bag is exactly the quality you will receive at scale. Incorporating a colour specification into your purchase agreement can be an effective way to safeguard against inferior product while keeping the wholesale price aligned with your quality needs.
Significant volumes of sodium sulphate are produced in China, India, Mexico, and certain European countries. India stands out as a key supplier for domestic and regional markets, with many manufacturers of sodium sulphate in india drawing on natural brine deposits and by‑product streams from the rayon and chemical industries. Indian manufacturers often serve South Asian and Middle Eastern detergent and textile markets, with some capacity for export. However, for buyers seeking consistent large‑scale shipments with rigorous quality control, Chinese exporters like Hailei Fine Chemical offer competitive advantages in production scale, logistics infrastructure, and export documentation. By evaluating both Indian and Chinese sources, procurement managers can benchmark the sodium sulphate wholesale price and choose the partner that best matches their volume, quality, and delivery requirements. Our sodium sulphate product page provides up‑to‑date specifications and typical shipment details to facilitate that comparison.
Experienced buyers know that the quoted price is only the starting point. To achieve the most favourable sodium sulphate wholesale price, consider these negotiation strategies:
Hailei Fine Chemical welcomes long‑term partnerships and is prepared to discuss flexible terms that align with your business cycles.
Beyond the ex‑works price, a buyer’s true cost includes freight, insurance, port charges, and sometimes anti‑caking treatments. Sodium sulphate is hygroscopic, so container loading must protect against moisture ingress — often through liner bags or desiccants. Choosing 25 kg bags versus 1‑ton supersacks affects handling labour and warehouse space at the destination. For large buyers, dedicated bulk shipments using pneumatic tank containers can slash packaging costs and improve unloading speed. Our export team works closely with leading freight forwarders to provide a transparent landed cost estimate, helping you accurately compare offers and control your overall procurement budget.
The sodium sulphate wholesale price is far more than a figure on a quote sheet — it is the sum of purity, particle characteristics, production origin, logistics, and supplier reliability. By understanding what influences cost and how to align specifications with real process needs, procurement professionals can convert a commodity purchase into a strategic advantage. Whether you are blending premium detergent powders, melting high‑clarity glass, or processing kraft pulp, the quality of your sodium sulphate directly impacts your product and your bottom line.
Ready to secure your next shipment at a competitive price? Explore the detailed specifications of our sodium sulphate anhydrous 99% and take advantage of our experience in global chemical supply. Request a quote today, and let our team tailor a solution — from sample evaluation to bulk delivery — that meets your industrial demands.
For industrial buyers managing procurement budgets for detergent powder, glass, or pulp production, securing the right sodium sulphate wholesale price directly impacts profit margins. Whether you purchase anhydrous sodium sulphate by the container load or negotiate annual contracts, understanding market dynamics, quality specifications, and supplier landscapes is essential to making informed decisions. At Weifang Hailei Fine Chemical Co., Ltd., we supply high-purity 99% Na2SO4 to manufacturers worldwide, and this guide draws on our decades of export experience to help you optimize your sourcing strategy.
Before diving into price factors, let’s clarify exactly what sodium sulphate is and how its basic characteristics influence its use and cost.
The compound Na2SO4 goes by several names depending on its hydration state and sector. The what is sodium sulphate common name question often arises because different industries use different terms. The anhydrous form, which we produce at 99% purity, is historically called salt cake in heavy chemical industries, a name originating from the old Leblanc process where it was a byproduct of salt and sulfuric acid. The decahydrate (Na2SO4·10H2O) is universally known as Glauber’s salt, named after the 17th-century chemist who first described its medicinal properties. In mineral form, natural anhydrous sodium sulphate is called thenardite. When procurement teams search for “salt cake” or “Glauber’s salt,” they are often looking for the same core substance, though the anhydrous form preferred for detergents and glass delivers far more active material per tonne.
The colour of sodium sulphate is uniformly white in its pure state. High-purity anhydrous sodium sulphate appears as a free-flowing white crystalline powder or granular solid. Any off-white, grey, or yellowish tint typically signals the presence of iron, organic impurities, or insufficient refining. For detergent manufacturers, a bright white colour is non-negotiable because it directly affects the final powder’s appearance. Glassmakers also require iron-free sodium sulphate to avoid unwanted green or brown discolouration in container and flat glass. Always request a specification sheet that lists whiteness index (R457 brightness above 90%) along with purity.
A common formulation concern is: is sodium sulphate soluble enough for my application? Yes—sodium sulphate exhibits excellent water solubility, but with a unique temperature-dependent curve that every production manager should know. Anhydrous Na2SO4 dissolves readily in water, reaching a maximum solubility of about 49.7 g per 100 mL at 32.4°C. Below that temperature, solubility increases with heat; above 32.4°C, the solubility actually decreases slightly and the stable solid phase transitions to the anhydrous form. In practical terms, this means that your process water temperature can significantly affect dissolution rates and the risk of crystallisation fouling on equipment surfaces. For textile dyeing auxiliaries and kraft pulping liquors, maintaining process tanks above 40°C ensures complete dissolution of the sodium sulphate used as a levelling agent or cooking chemical. For detergent slurry preparation, the hydrate form can absorb moisture during storage, so bagging integrity is vital to prevent caking.
Obtaining a favorable sodium sulphate wholesale price requires awareness of the underlying cost drivers. Here are the main levers that suppliers and buyers must navigate.
The query manufacturers of sodium sulphate in india highlights one of the key production hubs. India is indeed a major producer, with companies like Nirma Limited, Atul Ltd, and several Gujarat-based operators producing large volumes, mainly as a byproduct of rayon or H-acid manufacture. Indian suppliers often export to Africa, the Middle East, and ASEAN markets, offering competitive pricing given relatively low domestic salt and labor costs. However, Indian production is frequently in the form of anhydrous salt cake with purity ranging from 96% to 99%, and some lots may contain organic traces from the rayon process, which makes them less suitable for crystal glass or high-end detergents.
China remains the world’s single largest exporter of synthetic and natural sodium sulphate. In Shandong province alone, clusters of manufacturers—including Weifang Hailei Fine Chemical’s sodium sulphate facility—leverage reliable sulfuric acid and salt supply chains, advanced dehydration technologies, and rigorous quality control to deliver consistent 99% purity, ultra-white, granular anhydrous sodium sulphate. Our position on the Bohai Rim means short transit to Qingdao port, minimising inland freight before export. When you compare landed prices from Indian versus Chinese manufacturers, factor in not just the per-tonne quote but also shipment frequency, documentation reliability, and after-sales technical support.
Smart purchasing goes beyond requesting quotes. Here are proven tactics to compress your unit cost without risking supply security.
A 99% purity guarantee is a starting point, but procurement managers need to examine the remaining 1% and the physical properties that dictate performance in specific applications.
| Parameter | Typical Value (Hailei Grade) | Importance |
|---|---|---|
| Na2SO4 content | ≥ 99.0% | Filler efficiency, glass refining |
| Water insolubles | ≤ 0.05% | Avoids specks in detergent powder, defects in glass |
| Iron (as Fe) | ≤ 0.002% (20 ppm) | Critical for colour stability in glass and white detergents |
| pH (1% solution) | 6.0 – 8.0 | Corrosion control in textile and paper processes |
| Whiteness | ≥ 90 (R457) | Ensures brilliant detergent powder appearance |
| Particle size (mesh) | Customisable 80–200 mesh | Dissolution rate, anti-segregation in blends |
When you evaluate bids, don’t simply rank by per-tonne price. A slightly more expensive supplier that offers a tailored particle size distribution reducing segregation in your detergent blend may lower your rework rate and actually improve your overall cost picture. Use Hailei Chemical’s detailed product specification sheet as a benchmark during your vendor evaluation.
Consider a mid-sized detergent plant in Southeast Asia producing 25,000 MT of laundry powder annually. High-density detergent powder formulations typically contain 20–40% sodium sulphate as an inert filler. At a raw sulfate cost of $100 per tonne, the plant spends roughly $0.5 to $1 million per year on this single ingredient.
By switching from an Indian supplier whose 97% product sometimes contained visible dark specks (organic impurities) to a Chinese 99% pure, ultra-white product, the plant eliminated the need for additional optical brighteners and cut batch rejection rates by 2%. The sodium sulphate wholesale price increased by $8 per tonne, but the savings in brightener chemicals and rework far exceeded the premium. Moreover, the consistent bulk density of the Chinese product allowed the pneumatic conveying system to operate without blockages, reducing maintenance downtime. This example illustrates why apparent price per tonne is not the only figure that matters—total cost of ownership should guide sourcing choices.
We touched on solubility earlier, but storage and handling strongly influence material efficiency. Anhydrous sodium sulphate is hygroscopic: it will absorb moisture from the air, potentially forming a hard crust or even partially converting to Glauber’s salt (decahydrate). This not only reduces the effective Na2SO4 content but also makes the powder difficult to meter accurately. Best practices include:
Understanding the solubility and hygroscopic nature of sodium sulphate also helps you assess whether a quoted product’s moisture content (typically <0.1%) is realistic and whether the supplier’s packaging will protect the material during the ocean voyage to your factory.
What is the typical sodium sulphate wholesale price range?
Depending on purity, origin, and contract size, anhydrous sodium sulphate FOB China currently ranges between $85 and $140 per metric tonne. Natural-based product tends toward the lower end, while synthetic grades with extra-low iron and high whiteness sit at the higher end. Freight and duties are additional.
How does the colour of sodium sulphate affect its applications?
The colour of sodium sulphate directly influences product acceptance in white detergents and clear glass. Any yellowish or grey tone indicates impurities that can cause rejection. Always ask for a colour/whiteness certification.
Are manufacturers of sodium sulphate in India reliable?
Many manufacturers of sodium sulphate in india are reliable and hold ISO certifications. However, their product characteristics (byproduct origins, trace organics) may differ from synthetic Chinese product. Request a technical data sheet and a retained sample from the actual lot offered.
What does the common name “salt cake” tell me about the product?
The what is sodium sulphate common name “salt cake” is a legacy term. It often implies an anhydrous form, but without modern quality checks, some buyers still associate it with lower-purity byproduct streams. Always clarify that you require technical grade, 99% Na2SO4, and not unrefined cake from a rayon plant.
How can I test is sodium sulphate soluble quickly upon arrival?
Take a 10 g sample and add to 100 mL of water at a controlled temperature, say 30°C. It should dissolve almost completely within a few minutes with gentle stirring, leaving minimal residue. Any significant insoluble fraction (beyond 0.05% spec) indicates a quality problem.
Your search for a consistent, high-purity sodium sulphate supply at a fair wholesale price ends with a trusted partner. Weifang Hailei Fine Chemical Co., Ltd. offers 99% anhydrous sodium sulphate, customised particle sizes, and full regulatory documentation (COA, MSDS, REACH) to simplify your importing process. Whether you need a single trial container or a multi-year supply agreement, our logistics team coordinates FCL shipments from Qingdao port to your nearest destination.
Compare our quality, evaluate our transparent pricing, and experience the difference of working with a manufacturer that understands your operational KPIs. Request a sodium sulphate wholesale price quote today, or explore detailed technical specifications on our sodium sulphate product page. Let’s build a cost-efficient, long-term supply partnership that strengthens your competitive edge.
For industrial buyers managing procurement budgets for detergent powder, glass, or pulp production, securing the right sodium sulphate wholesale price directly impacts profit margins. Whether you purchase anhydrous sodium sulphate by the container load or negotiate annual contracts, understanding market dynamics, quality specifications, and supplier landscapes is essential to making informed decisions. At Weifang Hailei Fine Chemical Co., Ltd., we supply high-purity 99% Na2SO4 to manufacturers worldwide, and this guide draws on our decades of export experience to help you optimize your sourcing strategy.
Before diving into price factors, let’s clarify exactly what sodium sulphate is and how its basic characteristics influence its use and cost.
The compound Na2SO4 goes by several names depending on its hydration state and sector. The what is sodium sulphate common name question often arises because different industries use different terms. The anhydrous form, which we produce at 99% purity, is historically called salt cake in heavy chemical industries, a name originating from the old Leblanc process where it was a byproduct of salt and sulfuric acid. The decahydrate (Na2SO4·10H2O) is universally known as Glauber’s salt, named after the 17th-century chemist who first described its medicinal properties. In mineral form, natural anhydrous sodium sulphate is called thenardite. When procurement teams search for “salt cake” or “Glauber’s salt,” they are often looking for the same core substance, though the anhydrous form preferred for detergents and glass delivers far more active material per tonne.
The colour of sodium sulphate is uniformly white in its pure state. High-purity anhydrous sodium sulphate appears as a free-flowing white crystalline powder or granular solid. Any off-white, grey, or yellowish tint typically signals the presence of iron, organic impurities, or insufficient refining. For detergent manufacturers, a bright white colour is non-negotiable because it directly affects the final powder’s appearance. Glassmakers also require iron-free sodium sulphate to avoid unwanted green or brown discolouration in container and flat glass. Always request a specification sheet that lists whiteness index (R457 brightness above 90%) along with purity.
A common formulation concern is: is sodium sulphate soluble enough for my application? Yes—sodium sulphate exhibits excellent water solubility, but with a unique temperature-dependent curve that every production manager should know. Anhydrous Na2SO4 dissolves readily in water, reaching a maximum solubility of about 49.7 g per 100 mL at 32.4°C. Below that temperature, solubility increases with heat; above 32.4°C, the solubility actually decreases slightly and the stable solid phase transitions to the anhydrous form. In practical terms, this means that your process water temperature can significantly affect dissolution rates and the risk of crystallisation fouling on equipment surfaces. For textile dyeing auxiliaries and kraft pulping liquors, maintaining process tanks above 40°C ensures complete dissolution of the sodium sulphate used as a levelling agent or cooking chemical. For detergent slurry preparation, the hydrate form can absorb moisture during storage, so bagging integrity is vital to prevent caking.
Obtaining a favorable sodium sulphate wholesale price requires awareness of the underlying cost drivers. Here are the main levers that suppliers and buyers must navigate.
The query manufacturers of sodium sulphate in india highlights one of the key production hubs. India is indeed a major producer, with companies like Nirma Limited, Atul Ltd, and several Gujarat-based operators producing large volumes, mainly as a byproduct of rayon or H-acid manufacture. Indian suppliers often export to Africa, the Middle East, and ASEAN markets, offering competitive pricing given relatively low domestic salt and labor costs. However, Indian production is frequently in the form of anhydrous salt cake with purity ranging from 96% to 99%, and some lots may contain organic traces from the rayon process, which makes them less suitable for crystal glass or high-end detergents.
China remains the world’s single largest exporter of synthetic and natural sodium sulphate. In Shandong province alone, clusters of manufacturers—including Weifang Hailei Fine Chemical’s sodium sulphate facility—leverage reliable sulfuric acid and salt supply chains, advanced dehydration technologies, and rigorous quality control to deliver consistent 99% purity, ultra-white, granular anhydrous sodium sulphate. Our position on the Bohai Rim means short transit to Qingdao port, minimising inland freight before export. When you compare landed prices from Indian versus Chinese manufacturers, factor in not just the per-tonne quote but also shipment frequency, documentation reliability, and after-sales technical support.
Smart purchasing goes beyond requesting quotes. Here are proven tactics to compress your unit cost without risking supply security.
A 99% purity guarantee is a starting point, but procurement managers need to examine the remaining 1% and the physical properties that dictate performance in specific applications.
| Parameter | Typical Value (Hailei Grade) | Importance |
|---|---|---|
| Na2SO4 content | ≥ 99.0% | Filler efficiency, glass refining |
| Water insolubles | ≤ 0.05% | Avoids specks in detergent powder, defects in glass |
| Iron (as Fe) | ≤ 0.002% (20 ppm) | Critical for colour stability in glass and white detergents |
| pH (1% solution) | 6.0 – 8.0 | Corrosion control in textile and paper processes |
| Whiteness | ≥ 90 (R457) | Ensures brilliant detergent powder appearance |
| Particle size (mesh) | Customisable 80–200 mesh | Dissolution rate, anti-segregation in blends |
When you evaluate bids, don’t simply rank by per-tonne price. A slightly more expensive supplier that offers a tailored particle size distribution reducing segregation in your detergent blend may lower your rework rate and actually improve your overall cost picture. Use Hailei Chemical’s detailed product specification sheet as a benchmark during your vendor evaluation.
Consider a mid-sized detergent plant in Southeast Asia producing 25,000 MT of laundry powder annually. High-density detergent powder formulations typically contain 20–40% sodium sulphate as an inert filler. At a raw sulfate cost of $100 per tonne, the plant spends roughly $0.5 to $1 million per year on this single ingredient.
By switching from an Indian supplier whose 97% product sometimes contained visible dark specks (organic impurities) to a Chinese 99% pure, ultra-white product, the plant eliminated the need for additional optical brighteners and cut batch rejection rates by 2%. The sodium sulphate wholesale price increased by $8 per tonne, but the savings in brightener chemicals and rework far exceeded the premium. Moreover, the consistent bulk density of the Chinese product allowed the pneumatic conveying system to operate without blockages, reducing maintenance downtime. This example illustrates why apparent price per tonne is not the only figure that matters—total cost of ownership should guide sourcing choices.
We touched on solubility earlier, but storage and handling strongly influence material efficiency. Anhydrous sodium sulphate is hygroscopic: it will absorb moisture from the air, potentially forming a hard crust or even partially converting to Glauber’s salt (decahydrate). This not only reduces the effective Na2SO4 content but also makes the powder difficult to meter accurately. Best practices include:
Understanding the solubility and hygroscopic nature of sodium sulphate also helps you assess whether a quoted product’s moisture content (typically <0.1%) is realistic and whether the supplier’s packaging will protect the material during the ocean voyage to your factory.
What is the typical sodium sulphate wholesale price range?
Depending on purity, origin, and contract size, anhydrous sodium sulphate FOB China currently ranges between $85 and $140 per metric tonne. Natural-based product tends toward the lower end, while synthetic grades with extra-low iron and high whiteness sit at the higher end. Freight and duties are additional.
How does the colour of sodium sulphate affect its applications?
The colour of sodium sulphate directly influences product acceptance in white detergents and clear glass. Any yellowish or grey tone indicates impurities that can cause rejection. Always ask for a colour/whiteness certification.
Are manufacturers of sodium sulphate in India reliable?
Many manufacturers of sodium sulphate in india are reliable and hold ISO certifications. However, their product characteristics (byproduct origins, trace organics) may differ from synthetic Chinese product. Request a technical data sheet and a retained sample from the actual lot offered.
What does the common name “salt cake” tell me about the product?
The what is sodium sulphate common name “salt cake” is a legacy term. It often implies an anhydrous form, but without modern quality checks, some buyers still associate it with lower-purity byproduct streams. Always clarify that you require technical grade, 99% Na2SO4, and not unrefined cake from a rayon plant.
How can I test is sodium sulphate soluble quickly upon arrival?
Take a 10 g sample and add to 100 mL of water at a controlled temperature, say 30°C. It should dissolve almost completely within a few minutes with gentle stirring, leaving minimal residue. Any significant insoluble fraction (beyond 0.05% spec) indicates a quality problem.
Your search for a consistent, high-purity sodium sulphate supply at a fair wholesale price ends with a trusted partner. Weifang Hailei Fine Chemical Co., Ltd. offers 99% anhydrous sodium sulphate, customised particle sizes, and full regulatory documentation (COA, MSDS, REACH) to simplify your importing process. Whether you need a single trial container or a multi-year supply agreement, our logistics team coordinates FCL shipments from Qingdao port to your nearest destination.
Compare our quality, evaluate our transparent pricing, and experience the difference of working with a manufacturer that understands your operational KPIs. Request a sodium sulphate wholesale price quote today, or explore detailed technical specifications on our sodium sulphate product page. Let’s build a cost-efficient, long-term supply partnership that strengthens your competitive edge.
For industrial buyers managing procurement budgets for detergent powder, glass, or pulp production, securing the right sodium sulphate wholesale price directly impacts profit margins. Whether you purchase anhydrous sodium sulphate by the container load or negotiate annual contracts, understanding market dynamics, quality specifications, and supplier landscapes is essential to making informed decisions. At Weifang Hailei Fine Chemical Co., Ltd., we supply high-purity 99% Na2SO4 to manufacturers worldwide, and this guide draws on our decades of export experience to help you optimize your sourcing strategy.
Before diving into price factors, let’s clarify exactly what sodium sulphate is and how its basic characteristics influence its use and cost.
The compound Na2SO4 goes by several names depending on its hydration state and sector. The what is sodium sulphate common name question often arises because different industries use different terms. The anhydrous form, which we produce at 99% purity, is historically called salt cake in heavy chemical industries, a name originating from the old Leblanc process where it was a byproduct of salt and sulfuric acid. The decahydrate (Na2SO4·10H2O) is universally known as Glauber’s salt, named after the 17th-century chemist who first described its medicinal properties. In mineral form, natural anhydrous sodium sulphate is called thenardite. When procurement teams search for “salt cake” or “Glauber’s salt,” they are often looking for the same core substance, though the anhydrous form preferred for detergents and glass delivers far more active material per tonne.
The colour of sodium sulphate is uniformly white in its pure state. High-purity anhydrous sodium sulphate appears as a free-flowing white crystalline powder or granular solid. Any off-white, grey, or yellowish tint typically signals the presence of iron, organic impurities, or insufficient refining. For detergent manufacturers, a bright white colour is non-negotiable because it directly affects the final powder’s appearance. Glassmakers also require iron-free sodium sulphate to avoid unwanted green or brown discolouration in container and flat glass. Always request a specification sheet that lists whiteness index (R457 brightness above 90%) along with purity.
A common formulation concern is: is sodium sulphate soluble enough for my application? Yes—sodium sulphate exhibits excellent water solubility, but with a unique temperature-dependent curve that every production manager should know. Anhydrous Na2SO4 dissolves readily in water, reaching a maximum solubility of about 49.7 g per 100 mL at 32.4°C. Below that temperature, solubility increases with heat; above 32.4°C, the solubility actually decreases slightly and the stable solid phase transitions to the anhydrous form. In practical terms, this means that your process water temperature can significantly affect dissolution rates and the risk of crystallisation fouling on equipment surfaces. For textile dyeing auxiliaries and kraft pulping liquors, maintaining process tanks above 40°C ensures complete dissolution of the sodium sulphate used as a levelling agent or cooking chemical. For detergent slurry preparation, the hydrate form can absorb moisture during storage, so bagging integrity is vital to prevent caking.
Obtaining a favorable sodium sulphate wholesale price requires awareness of the underlying cost drivers. Here are the main levers that suppliers and buyers must navigate.
The query manufacturers of sodium sulphate in india highlights one of the key production hubs. India is indeed a major producer, with companies like Nirma Limited, Atul Ltd, and several Gujarat-based operators producing large volumes, mainly as a byproduct of rayon or H-acid manufacture. Indian suppliers often export to Africa, the Middle East, and ASEAN markets, offering competitive pricing given relatively low domestic salt and labor costs. However, Indian production is frequently in the form of anhydrous salt cake with purity ranging from 96% to 99%, and some lots may contain organic traces from the rayon process, which makes them less suitable for crystal glass or high-end detergents.
China remains the world’s single largest exporter of synthetic and natural sodium sulphate. In Shandong province alone, clusters of manufacturers—including Weifang Hailei Fine Chemical’s sodium sulphate facility—leverage reliable sulfuric acid and salt supply chains, advanced dehydration technologies, and rigorous quality control to deliver consistent 99% purity, ultra-white, granular anhydrous sodium sulphate. Our position on the Bohai Rim means short transit to Qingdao port, minimising inland freight before export. When you compare landed prices from Indian versus Chinese manufacturers, factor in not just the per-tonne quote but also shipment frequency, documentation reliability, and after-sales technical support.
Smart purchasing goes beyond requesting quotes. Here are proven tactics to compress your unit cost without risking supply security.
A 99% purity guarantee is a starting point, but procurement managers need to examine the remaining 1% and the physical properties that dictate performance in specific applications.
| Parameter | Typical Value (Hailei Grade) | Importance |
|---|---|---|
| Na2SO4 content | ≥ 99.0% | Filler efficiency, glass refining |
| Water insolubles | ≤ 0.05% | Avoids specks in detergent powder, defects in glass |
| Iron (as Fe) | ≤ 0.002% (20 ppm) | Critical for colour stability in glass and white detergents |
| pH (1% solution) | 6.0 – 8.0 | Corrosion control in textile and paper processes |
| Whiteness | ≥ 90 (R457) | Ensures brilliant detergent powder appearance |
| Particle size (mesh) | Customisable 80–200 mesh | Dissolution rate, anti-segregation in blends |
When you evaluate bids, don’t simply rank by per-tonne price. A slightly more expensive supplier that offers a tailored particle size distribution reducing segregation in your detergent blend may lower your rework rate and actually improve your overall cost picture. Use Hailei Chemical’s detailed product specification sheet as a benchmark during your vendor evaluation.
Consider a mid-sized detergent plant in Southeast Asia producing 25,000 MT of laundry powder annually. High-density detergent powder formulations typically contain 20–40% sodium sulphate as an inert filler. At a raw sulfate cost of $100 per tonne, the plant spends roughly $0.5 to $1 million per year on this single ingredient.
By switching from an Indian supplier whose 97% product sometimes contained visible dark specks (organic impurities) to a Chinese 99% pure, ultra-white product, the plant eliminated the need for additional optical brighteners and cut batch rejection rates by 2%. The sodium sulphate wholesale price increased by $8 per tonne, but the savings in brightener chemicals and rework far exceeded the premium. Moreover, the consistent bulk density of the Chinese product allowed the pneumatic conveying system to operate without blockages, reducing maintenance downtime. This example illustrates why apparent price per tonne is not the only figure that matters—total cost of ownership should guide sourcing choices.
We touched on solubility earlier, but storage and handling strongly influence material efficiency. Anhydrous sodium sulphate is hygroscopic: it will absorb moisture from the air, potentially forming a hard crust or even partially converting to Glauber’s salt (decahydrate). This not only reduces the effective Na2SO4 content but also makes the powder difficult to meter accurately. Best practices include:
Understanding the solubility and hygroscopic nature of sodium sulphate also helps you assess whether a quoted product’s moisture content (typically <0.1%) is realistic and whether the supplier’s packaging will protect the material during the ocean voyage to your factory.
What is the typical sodium sulphate wholesale price range?
Depending on purity, origin, and contract size, anhydrous sodium sulphate FOB China currently ranges between $85 and $140 per metric tonne. Natural-based product tends toward the lower end, while synthetic grades with extra-low iron and high whiteness sit at the higher end. Freight and duties are additional.
How does the colour of sodium sulphate affect its applications?
The colour of sodium sulphate directly influences product acceptance in white detergents and clear glass. Any yellowish or grey tone indicates impurities that can cause rejection. Always ask for a colour/whiteness certification.
Are manufacturers of sodium sulphate in India reliable?
Many manufacturers of sodium sulphate in india are reliable and hold ISO certifications. However, their product characteristics (byproduct origins, trace organics) may differ from synthetic Chinese product. Request a technical data sheet and a retained sample from the actual lot offered.
What does the common name “salt cake” tell me about the product?
The what is sodium sulphate common name “salt cake” is a legacy term. It often implies an anhydrous form, but without modern quality checks, some buyers still associate it with lower-purity byproduct streams. Always clarify that you require technical grade, 99% Na2SO4, and not unrefined cake from a rayon plant.
How can I test is sodium sulphate soluble quickly upon arrival?
Take a 10 g sample and add to 100 mL of water at a controlled temperature, say 30°C. It should dissolve almost completely within a few minutes with gentle stirring, leaving minimal residue. Any significant insoluble fraction (beyond 0.05% spec) indicates a quality problem.
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