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Sodium Sulphite

Sodium Sulphite

Sodium Sulphite

Unit of Price Kilograms/Kilograms
Price 5000 INR
Unit of Measure Kilograms/Kilograms
Smell Slight odor of sulfur dioxide
Type Inorganic chemical compound
Poisonous Yes
Melting Point 33.4 C (decomposes)
HS Code 28321010
Classification Sulphite salt
Molecular Formula Na2SO3
Shape Crystalline or powder
EINECS No 231-821-4
Solubility Soluble in water, slightly soluble in alcohol
Usage Antioxidant agent, dechlorination agent, preservative
Non Toxic Yes
Form Solid
Storage Store in cool, dry, well-ventilated area. Keep containers tightly closed.
Boiling point Decomposes before boiling
Density 2.633 Gram per cubic centimeter(g/cm3)
Main Material Sodium sulphite (Na2SO3)
Other Names Disodium sulphite; Sulfurous acid, disodium salt
Standard Meets standard industrial and food chemical specifications
Ph Level 9.0 - 10.0 (5% solution)
CAS No 7757-83-7
Purity 98% minimum (typical)
Molecular Weight 126.04 g/mol
Structural Formula Na2SO3
Taste Saline, slightly sulfurous
Grade Industrial grade, food grade
Application Photography, water treatment, pulp and paper industry, textiles, chemical manufacturing
Chemical Name Sodium sulphite


Take advantage of the best price on our first-class Sodium Sulphite, a renowned inorganic chemical compound recognized for its meritorious applications. This white crystalline powder or granules is stable under normal conditions and slightly alkaline in solution. With a purity of 98% minimum, moisture content below 1.0%, and low insoluble matter, quality is ensured. Customizable packaging options (25 kg or 50 kg bags) suit varied requirements. Ideal for industrial and food grade uses across multiple sectors, our Sodium Sulphite is the preferred choice for discerning exporters, manufacturers, and suppliers across India.

Commercial Applications and Advantages

Sodium Sulphite is widely utilized as an antioxidant, dechlorination agent, and preservative in industries such as photography, water treatment, pulp and paper, textiles, and chemical manufacturing. To use, dissolve the meritorious compound in water to form a slightly alkaline solution. Its renowned stability, high purity, and customizable packaging provide competitive advantages, ensuring safe and efficient processing for your commercial operations.


Export Markets, Domestic Delivery, and Transport

Our Sodium Sulphite enjoys strong demand in key international markets as well as the Indian domestic mar. Goods are efficiently transported to the main export market(s) via the nearest FOB Port, ensuring prompt global delivery. Domestically, we maintain timely supply to major industrial zones, supporting reliable delivery to clients. Secure packaging and precise logistics strengthen our reputation as a trusted supplier across India and abroad.


FAQ's of Sodium Sulphite:


Q: How is Sodium Sulphite typically used in industry?

A: Sodium Sulphite serves as an antioxidant, dechlorination agent, and preservative in sectors such as photography, water treatment, pulp and paper, textiles, and chemical manufacturing. It is typically dissolved in water prior to use.

Q: What is the benefit of Sodium Sulphite's high purity and low iron content?

A: The combination of at least 98% purity and a very low iron content (< 0.002%) ensures superior performance in sensitive industrial processes and prevents unwanted side reactions or discoloration.

Q: Where should Sodium Sulphite be stored for the best shelf life?

A: Store Sodium Sulphite in a cool, dry, and well-ventilated area, keeping containers tightly sealed to maintain its stability and ensure a shelf life of at least 12 months.

Q: What are the handling precautions for Sodium Sulphite?

A: Avoid inhalation of dust and direct contact with eyes. Use proper protective equipment when handling to minimize irritation or potential harm.

Q: When is Sodium Sulphite considered non-toxic or hazardous?

A: Sodium Sulphite is generally regarded as non-toxic in small quantities; however, it may cause irritation or be harmful if large amounts are ingested or inhaled. Always follow recommended handling practices.

Q: What customizable options are available for packaging?

A: Sodium Sulphite is supplied in 25 kg or 50 kg bags, allowing you to choose the most convenient packaging size for your operational needs.