Description

Sodium sulfate is one of the most widely used inorganic chemical compounds applied across various industries ranging from detergent manufacturing to glass and textile industries. This compound naturally occurs in specific lakes and mines and is also produced through industrial chemical processes. Sepidestan Tejarat is one of the main suppliers of sodium sulfate in Iran, offering high-quality products from reputable global brands to meet the diverse needs of industries.

Sodium Sulfate Price

The price of sodium sulfate varies depending on grade, brand, purity, and global market conditions. Key factors influencing the price include:

• Global energy and transportation rates
• Supply and demand levels in detergent industries
• Currency fluctuations in import markets

Sepidestan Tejarat, as a long-established supplier, offers competitive prices aligned with global market conditions. For price lists and cooperation terms, please contact our sales department directly.

You can watch the video below showing the sodium sulfate shipments sold by Sepidestan Tejarat:

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Physical and Chemical Properties

Sodium sulfate is a white, odorless, crystalline compound that dissolves well in water. Its chemical formula is Na₂SO₄ and it is available in both anhydrous and decahydrate (hydrated) forms. The high melting point and chemical stability make it suitable for various industrial and thermal conditions.

Applications of Sodium Sulfate in Various Industries

Due to its specific chemical properties, sodium sulfate finds diverse industrial applications:

1. Detergent Industry

   The largest consumer of sodium sulfate is detergent powder manufacturing, where it acts as a filler and viscosity regulator. It helps distribute active ingredients evenly, improves powder flow, prevents clumping, and ensures uniform granule size. Additionally, it facilitates better dissolution in water. Using sodium sulfate improves the physical properties of detergent powders and helps control production costs and product consistency. Many industrial detergent manufacturers rely on trusted suppliers like Sepidestan Tejarat for sourcing.

2. Glass Manufacturing

   In glass production, sodium sulfate serves as a fining agent to remove air bubbles and enhance clarity. It also helps lower the melting point of glass mixtures.

3. Textile Industry

   Sodium sulfate is widely used in textile dyeing and finishing processes. Especially for cellulosic fibers such as cotton, it acts as an electrolyte and color-fixing agent by reducing the repulsion between dye molecules and fibers, enabling more uniform dye penetration. This controlled dye uptake prevents blotching, uneven coloration, and unwanted color concentration on fabric parts. It also enhances wash fastness and color durability, improving final fabric quality. Due to its reasonable price, chemical stability, and compatibility with most dyes, sodium sulfate is commonly used in industrial dyeing units.

4. Pulp and Paper Industry

   In kraft pulping, sodium sulfate is used during wood cooking as a sulfur source and helps regenerate chemicals in the process.

5. Other Applications

   • Manufacture of automotive glass and crystal glass
   • Used as a drying agent in chemical industries
   • Applications in pharmaceutical and photographic industries

Is Food-Grade Sodium Sulfate Available?

Yes, food-grade sodium sulfate exists, but its usage is very limited and strictly controlled. The food or pharmaceutical grade is produced under special safety standards with strict purity, heavy metal limits, and impurity control differing significantly from industrial grades. It is mainly used in pharmaceuticals (as an osmotic laxative in some older formulations or pharmaceutical excipients) and occasionally as a process additive in certain food industries — not as a direct food additive. Use of food-grade sodium sulfate must comply with health regulations. Industrial grade sodium sulfate is not suitable for food applications.

Buying Sodium Sulfate

When purchasing sodium sulfate, pay attention to these points:

• Purity and grade: Select industrial or laboratory grade depending on use
• Packaging type: Usually supplied in 25 kg or 50 kg bags
• Supply source: European and Asian brands have varying quality. Sepidestan Tejarat, as a direct importer, offers high-quality products from leading manufacturers in China and Europe.

Due to price fluctuations in chemicals, contact the sales experts at Sepidestan Tejarat via the website contact page for the latest sodium sulfate prices.

Sodium Sulfate Sales in Iran

With extensive experience in chemical trading, Sepidestan Tejarat is a key supplier of sodium sulfate in Iran’s domestic market. Utilizing a broad supply and transport network, the company supports bulk sales to detergent, textile, glass, and paper industries. Sepidestan’s emphasis on product quality and authenticity leads many reputable domestic producers to maintain continuous cooperation.

Trusted Sodium Sulfate Brands

Globally, several brands are active in sodium sulfate production, including:

• NaFine Chemical (China)
• Sasol (Germany)
• Mitsubishi Chemical (Japan)
• Tianjin Bohai Chemical (China)

Sepidestan Tejarat imports sodium sulfate from German and Chinese brands, striving to balance quality and price to fully meet domestic industrial needs.

Global Sodium Sulfate Market

The global sodium sulfate market has experienced steady growth in recent years. International reports highlight increasing consumption, especially in detergent and glass industries. China is the world’s largest producer and exporter, followed by countries like India, Germany, and Mexico.

Given the global focus on sustainability and low-carbon manufacturing, producers are moving toward greener extraction and purification processes.

Sodium sulfate is a fundamental and essential chemical for many industries, with applications spanning detergents, glass, and textiles. Considering the importance of quality in production processes, choosing a reliable supplier is crucial.

Sepidestan Tejarat, leveraging experience, an extensive import network, and partnerships with reputable global brands, is ready to supply sodium sulfate with the highest quality standards for various industries. Stay with Sepidestan Tejarat for all your chemical needs!