Sodium Sulphate Price in Kenya: The Complete Procurement Guide for Industrial Buyers

Kenya’s manufacturing sector is growing rapidly, with detergent plants, glass container factories, and textile mills all demanding large volumes of high-quality sodium sulphate. If you’re a procurement manager or industrial buyer in Nairobi, Mombasa, or beyond, understanding the sodium sulphate price in Kenya is essential for budgeting and sourcing decisions. This guide unpacks everything you need to know—from current pricing trends and landed cost calculations to supplier selection and quality specifications—so you can secure the best value for your operations.

Understanding Sodium Sulphate: Physical Properties and Industrial Importance

Before diving into pricing, it’s important to be clear about the material you’re purchasing. Sodium sulphate (Na₂SO₄) is an inorganic salt that appears as a white crystalline powder or granules in its anhydrous form. The physical properties of sodium sulphate directly impact its handling, storage, and performance in end-use applications. Here’s a quick reference table for the anhydrous grade typically used in Kenyan industries:

• Chemical formula: Na₂SO₄
• Molecular weight: 142.04 g/mol
• Appearance: White, free-flowing powder or granular
• Purity: ≥ 99% (industrial grade)
• Density: 2.66 g/cm³
• Melting point: 884 °C
• Solubility in water: 28.1 g/100 mL at 25 °C (anhydrous); highly soluble; solution is neutral (pH ~7)
• Hygroscopicity: Moderate; tends to absorb moisture from air, so packaging must be moisture-proof
• Bulk density: Approximately 1.4–1.6 g/cm³ (loose)

For industrial buyers, the sodium sulphate properties that matter most are high purity (minimal chlorides, iron, and insolubles), consistent particle size for blending in detergent powders, and low moisture content to prevent caking during storage. When requesting a quotation, always ask for a certificate of analysis (COA) that verifies these parameters.

Key Industrial Applications Driving Demand in Kenya

Kenya’s demand for sodium sulphate is anchored in four major industries. Knowing which sector you belong to helps you specify the right grade and negotiate better pricing.

Detergent Powder Filler

The largest consumer of sodium sulphate in Kenya is the detergent industry. Sodium sulphate acts as an inert filler in laundry powders, providing bulk, improving flowability, and helping to regulate the concentration of active surfactants. Manufacturers in Nairobi’s industrial area and Athi River require consistent 99% pure material with a homogeneous particle size to avoid segregation during blending. A reliable sodium sulphate supplier must deliver product that meets the exacting formulation needs of modern detergent plants.

Glass Manufacturing

In glass furnaces, sodium sulphate serves as a fining agent and sulfate source, preventing silica scum and aiding in the removal of bubbles. Glass container producers around Mombasa and Thika use the anhydrous form, which is added to the batch at roughly 0.5–1.5% of total batch weight. Here, even small variations in purity or the presence of iron can affect glass color and clarity. Therefore, procurement teams place high importance on consistent chemistry.

Textile Dyeing Auxiliary

Kenya’s textile mills and garment dye houses use sodium sulphate as a leveling agent in reactive dyeing processes. The salt helps control the rate of dye exhaustion onto cotton and viscose fibers. For this application, a fine powder that dissolves quickly without leaving residues is preferred. Buyers in the textile sector typically order smaller, more frequent shipments compared to detergent giants, but quality remains non-negotiable.

Kraft Paper Pulping

In the kraft pulping process, sodium sulphate is a key raw material in the recovery cycle. It is reduced to sodium sulfide in the recovery boiler, then used as white liquor in the digester. Although the Kenyan paper sector is smaller, it is growing, and mills sourcing from East Africa often look for sodium sulphate that meets chemical feedstock specifications, often requiring very low chloride content to avoid corrosion issues.

What Influences Sodium Sulphate Price in Kenya?

The sodium sulphate price in Kenya is not a single figure; it varies based on a combination of global and local factors. Understanding these elements will help you benchmark quotes and negotiate effectively.

• Global market prices: Sodium sulphate is primarily a byproduct of rayon production or extracted from natural brine deposits in China, India, and the US. Chinese FOB prices (Free on Board) serve as the baseline. As of 2025, bulk anhydrous sodium sulphate (99% purity) typically trades in the range of USD 80–110 per metric ton FOB Qingdao or Shanghai.
• Ocean freight to Mombasa: Shipment in 20-foot containers (approximately 25–27 metric tons) from main Chinese ports to Mombasa costs roughly USD 1,200–1,800 per container, depending on the shipping line and seasonal congestion. This adds about USD 45–65 per ton to the landed cost.
• Import duties and taxes: Kenya imposes an import duty of 25% on most chemical products (HS Chapter 28) plus 16% VAT on the duty-inclusive value. Additionally, infrastructure levies and customs clearance fees may apply. Always confirm the correct HS code with a clearing agent; sodium sulphate generally falls under HS 2833.11.00.
• Purity and packaging: Higher purity grades (99.5% or low-iron) command a premium. Packaging in 25 kg or 50 kg laminated PP bags is standard, but 1-tonne big bags or break-bulk discharge can reduce handling costs and slightly lower the per kg price.
• Order quantity: The price of sodium sulphate per kg decreases as volume increases. A full container load (FCL) of 25–27 tonnes will be significantly cheaper per kilogram than a less-than-container (LCL) shipment. Typical delivered prices in Nairobi for an FCL can range from KES 55 to KES 75 per kg when all costs are factored, though exchange rate fluctuations play a big role.
• Local distributor margins: Some buyers purchase from local importers who add a handling markup. Going direct to a sodium sulphate supplier like Hailei Chemical can eliminate that middleman margin and give you better control over quality.

How to Calculate the Landed Cost of Sodium Sulphate in Kenya

To get an accurate picture of your total procurement cost, you need to compute the landed cost per kilogram. Here’s a step-by-step breakdown.

1. Determine CIF Mombasa value: Start with the supplier’s FOB price per ton, add ocean freight and insurance (usually 0.5–1% of CIF). For example, if FOB is USD 100/ton and freight is USD 50/ton, CIF is ~USD 151/ton.
2. Calculate customs duties: Apply the 25% import duty on the CIF value → USD 37.75/ton.
3. Add VAT: Calculate 16% on the dutible value (CIF + duty) → (151 + 37.75) × 0.16 = USD 30.20/ton.
4. Include clearing and logistics: Clearance fees, IDF (Import Declaration Fee) at 3.5% of CIF, and warehouse examination fees can add around USD 8–12/ton. Inland transport from Mombasa to Nairobi or other industrial hubs averages KES 3,000–5,000 per ton (roughly USD 20–35), depending on fuel costs and truck availability.
5. Sum all costs and convert to KES: Add up all USD components, then convert using the prevailing Central Bank rate. Divide by 1,000 to get the price per kg. A typical landed cost in Nairobi for a 25-ton FCL of 99% sodium sulphate might be around KES 65–70 per kg, but this should be verified using current rates.

When you request a quotation from Hailei Chemical, our team can provide a detailed proforma invoice that includes all shipment details, making it easy for your clearing agent to estimate the final landed cost.

Sodium Sulphate Supplier Selection: Why Global Sourcing Makes Sense

Kenyans need a sodium sulphate supplier who can deliver consistent quality at competitive prices. While local stockists exist, their supply chains often bridge multiple intermediaries, leading to higher costs and variable quality. Direct sourcing from a manufacturer like Weifang Hailei Fine Chemical Co., Ltd. offers several advantages:

• Factory-direct pricing: Eliminate regional distributor markups and access export-grade sodium sulphate at FOB rates.
• Certified purity: Hailei guarantees 99% purity anhydrous sodium sulphate with traceable batch testing, ideal for detergent, glass, and textile applications. Learn more about our sodium sulphate product specifications.
• Flexible packaging and logistics: We ship in 25 kg, 50 kg, or 1-tonne big bags, palletized or unpalletized, with full documentation to clear customs smoothly in Mombasa.
• Technical support: Our chemical engineers can advise on solubility curves, storage recommendations, and compatibility with your formulations.
• Reliable supply: With decades of export experience to African markets, we understand the shipping lanes and documentation requirements specific to Kenya.

Physical Properties and Quality Specifications for Procurement

When writing a procurement specification for sodium sulphate, detailing the physical properties of sodium sulphate helps you avoid substandard materials. A typical industrial-grade product sheet should cover:

• Purity (Na₂SO₄) ≥ 99.0%
• Moisture ≤ 0.3%
• Water-insoluble matter ≤ 0.05%
• Calcium and magnesium (as Ca) ≤ 0.15%
• Iron (Fe) ≤ 0.002% (important for glass and textiles)
• pH of 5% solution: 6–8
• Whiteness ≥ 85%
• Particle size: Typically 98% passing through 20 mesh (for detergent grade) or finer specifications for textile use.

Insist on a COA that matches your operational requirements. For example, detergent manufacturers in Kenya often request a sodium sulphate with a bulk density of 1.4–1.5 g/cm³ to match their ribbon blender loading parameters. Our technical team can help you define the right specification—just reach out with your requirements.

Sodium Sulphate Price Trends and East African Outlook

The sodium sulphate price in Kenya is influenced by Chinese domestic supply, energy costs, and logistics. With the global shift toward sustainable production, natural sodium sulphate from brine sources and byproduct sulfate from viscose fiber mills remain the dominant production routes. Prices have remained relatively stable over recent years, with mild seasonal spikes towards year-end due to increased demand from detergent manufacturers ahead of the holiday season. For East African buyers, container availability and fluctuations in the USD/KES exchange rate often have a more immediate impact on procurement costs than global raw material shifts. Forward-thinking buyers secure quarterly or semi-annual contracts to lock in favorable rates and ensure availability during peak periods.

Frequently Asked Questions About Sourcing Sodium Sulphate in Kenya

What is the typical sodium sulphate price per kg in Kenya?

The price of sodium sulphate per kg delivered to Nairobi or Mombasa depends on order volume and shipping conditions. For a full container load (25 tonnes) of 99% purity, expect to pay between KES 60 and KES 75 per kilogram including all landed costs, though this fluctuates with exchange rates and fuel surcharges.

How long does it take to ship sodium sulphate from China to Kenya?

Ocean transit from Qingdao or Shanghai to Mombasa usually takes 25–30 days. Including production time, documentation, and customs clearance, you should plan for around 40–50 days from order confirmation to delivery at your factory gate.

Do I need special storage conditions for anhydrous sodium sulphate?

Sodium sulphate is moderately hygroscopic. Store in a dry, ventilated warehouse away from direct moisture. Bags should be kept tightly closed when not in use. If stored correctly, the product has a shelf life of 12–24 months without clumping.

Secure Your Sodium Sulphate Supply for Kenya Today

Whether you’re formulating high-performing laundry powders, manufacturing clear flint glass, or running a reactive dyeing operation, having a trusted sodium sulphate source is crucial. At Hailei Chemical, we deliver 99% pure anhydrous sodium sulphate to Mombasa with full export documentation, competitive pricing, and technical backing. Avoid supply chain disruptions and unnecessary middlemen. Request your customized quotation today and let us help you lock in a competitive sodium sulphate price in Kenya for your next shipment. Visit our sodium sulphate product page for complete technical data.