Sodium thiosulphate

Sodium thiosulphate

Sodium hyposulfite; DiSodium thiosulphate; Hypo; Thiosulfuric acid; disodium salt pentahydrate

CAS 7772-98-7

Chemical Formula Na₂S₂O₃•5H₂O

Molecular Weight 248.18 g/mol

Sodium thiosulphate is a versatile inorganic compound used widely in photographic processing, water treatment, chemical manufacturing, and medical applications. It acts primarily as a reducing agent and complexing agent and is valued for its detoxifying and dechlorinating properties.

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Industrial Uses

1. Pharmaceuticals

  • Antidote for Cyanide Poisoning: Sodium thiosulphate is used intravenously as an antidote to cyanide poisoning, often in combination with sodium nitrite.
  • Detoxification Agent: Used in medical formulations for detoxifying harmful substances in the body.
  • Topical Applications: Used in dermatology for fungal infections and certain skin conditions like tinea versicolor.

2. Performance Chemicals

  • Reducing Agent: Acts as a mild reducing agent in chemical reactions, especially in analytical chemistry.
  • Dechlorination: Used in chemical processing to neutralize chlorine and hypochlorite solutions.

3. Agrochemicals

  • Soil Amendment (Occasional Use): Applied to correct sulfur deficiencies or neutralize excess chlorine in irrigation water (less frequent).
  • Pesticide Residue Neutralizer: Helps in cleaning equipment or surfaces that have been treated with sulfur-based pesticides.

4. Water Treatment

  • Dechlorination Agent: Neutralizes residual chlorine in municipal water, wastewater, and aquariums.
  • Heavy Metal Precipitation: Used to reduce and remove heavy metals from wastewater streams.

Specifications

Assay ≥ 99.0% (typical for analytical grade)
Appearance White crystalline solid
Odor Odorless
Boiling Point Decomposes before boiling
Melting Point ~48.3 °C (for pentahydrate)
Density 1.67 g/cm³ (at 20 °C, pentahydrate)
Solubility Soluble in water (70.1 g/100 mL at 25 °C); insoluble in alcohol
Viscosity Not typically reported; behaves like aqueous solution depending on conc.
Flash Point Not applicable (non-flammable solid)

Hazard Symbols

Irritants/Sensitisers/Other Hazards

FAQs

1. What is the current price of Sodium thiosulphate in India?
The price of Sodium thiosulphate can vary based on factors such as purity, quantity, etc. For the most accurate and competitive pricing, please contact us at +91.979 979 2121 directly for a customized quote tailored to your needs.

2. Where can I buy Sodium thiosulphate in India?
You can purchase Sodium thiosulphate from MULTICHEM, a leading importer with a reputation for quality and reliability. We provide convenient options for bulk orders and direct shipments across India. For more details on how to place an order, please visit our website or contact our sales team.

3. What is the minimum order quantity (MOQ) for Sodium thiosulphate?
Our minimum order quantity (MOQ) for Sodium thiosulphate is designed to cater to both small-scale and large-scale needs. The MOQ depends on the packing size of the product which could range from 25 kg to 250kg.

4. How can I ensure the quality of Sodium thiosulphate supplied by Multichem?                          
We adhere to stringent quality control processes to ensure that our products meet the highest standards of purity and effectiveness. They undergo rigorous testing and quality checks to guarantee that they comply with industry specifications. We provide a Certificate of Analysis (CoA) with every shipment to ensure transparency and quality assurance.