Soda Ash (Sodium Carbonate)

Properties and Industrial Advantages

Soda Ash has a high degree of its strong alkalinity, low cost, stability, and wide solubility.

• A pH adjustment agent (strongly alkaline).
• Water Softener and pH Buffer.
• Soluble at Room Temperature
• Nontoxic and safe when diluted.
• Cost-effective raw material for many industries.
• Widely Available in both light and dense forms.

These reasons result in Soda Ash being a preferred base in manufacturing, cleaning, and water treatment applications.

Chemical Composition and Technical Properties

The composition of soda ash (Na₂CO₃ or anhydrous sodium carbonate) includes:

• Na₂CO₃ content: 99+% (food or industrial grade)
• Moisture: Low (particularly in dense grade)
• Iron & chloride levels: Very low in very pure grades

Physical and chemical properties include:

• Melting point: 851 °C (decomposes)
• Density: around 2.5 g/cm3 (in solid form); ~1.1 g/cm3 (as bulk density)
• Hygroscopic: absorbs moisture slowly from the air
• pH:10.5 – 11 in the presence of water

Due to its alkaline nature, soda ash is often used to neutralize acids, soften water, and improve reaction conditions in many different industries.

Industrial Applications of Soda Ash

1.  Glass and ceramic industry

• Used in the production of flat glass, container glass, and fiberglass
• Lowers the melting point of silica and increases the uniformity of the melt.

2.  Detergents and cleaning products

• pH builder and water softener in laundry and dishwashing powders.
• Improve surfactants’ performance by stabilizing their alkalinity.

3.  Water treatment and pH control

• Adjust the pH of municipal and industrial water treatment systems.
• To prevent corrosion of pipes and neutralize acidic influents.

4.  Textile and Dyeing Industry

• Used soda ash for mercerizing, bleaching, and dye fixation.
• It provides stability in pH levels, which allows for consistent dye uptake and colorfastness.

5.  Chemical and Pulp & Paper Industry

• Produce caustic soda (NaOH) and other chemicals using soda ash as raw material.
• Additionally, soda ash functions as an additive in paper processing to produce brighter, high-quality paper.

Testing Parameters of Soda Ash

Before purchasing soda ash in bulk, test the following important characteristics:

• Purity (Na₂CO₃ Content): Titration or acid-base analysis.
• pH of 1% solution: Standard grade typically has a pH of 10.5 to 11.0.
• Moisture/Loss on Drying: Should meet specifications for the grade.
• Insoluble Matter: Minimal when viewed in solution.
• Particle Size: Uniform for detergent and glass applications.
• Iron and Chloride Content: Very low for high-purity grades.

Request a Certificate of Analysis (COA) and MSDS/SDS from your supplier to ensure your compliance and safe handling.

Top Global and Chinese Manufacturers

Leading Global Producers

• Ciner Resources Corporation (Georgia)
• CIECH Group (Poland)
• Genesis Alkali (United States)
• GHCL Limited (India)

Soda Ash Manufacturers (China)

• Hubei Yihua Group
• Weifang Chenlan Chemical
• Tangshan Sanyou Chemical Industry
• Shandong Haihua
• Jiangsu Huachang Chemical

The U.S. and China continue to be the largest producers and sellers of soda ash globally.

Where You Can Purchase Soda Ash in Pakistan

You can purchase soda ash in Pakistan from the following locations:

• Karachi – Jodia Bazaar (main industrial chemicals market)
• Lahore – Shah Alam Market (the area’s glass, detergent, and textile markets)
• Faisalabad / Gujrat – Textiles and chemicals wholesale markets

Most local suppliers source soda ash from suppliers located in China, India, Turkey, or the U.S., with soda ash typically being imported in 25 kg bags or bulk packaging (500-1,000 kg).

Price Range (Expected Price 2026)

Price is based on the grade of soda ash, packaging, point of import, and exchange rate. Recent price behaviours show:

• Global Bulk (FOB, Various regions): Around USD 185/mt for light or dense soda ash.
• In Pakistan, local Market: 80-130PKR/kg for bulk industrial-grade soda ash, depending on tonnage ordered and supplier.

Always request a Certificate of Analysis (COA) and a Material Safety Data Sheet (MSDS) for comparison when obtaining quotes from multiple suppliers to determine the best quality/price match.

Tianjin Unilion assists you with obtaining high-quality soda ash (sodium carbonate) through approved manufacturers in China and other global locations by providing supplier identification services, quality inspection, logistics, and customs clearance.  The overall supply chain management allows you to grow your business using consistent quality raw materials.