Sodium Thiosulphate
Sodium Thiosulphate Specification
- Ph Level
- 6.5-7.5 (aqueous solution)
- Molecular Weight
- 158.11 g/mol (anhydrous) 248.18 g/mol (pentahydrate)
- Moisture (%)
- <0.5%
- Molecular Formula
- Na2S2O3 (anhydrous) Na2S2O35H2O (pentahydrate)
- Storage
- Store in a cool dry place away from moisture and heat
- Heavy Metal (%)
- <0.001%
- EINECS No
- 231-867-5
- Loss on Drying
- <0.5%
- Assay
- 99%
- Particle Size
- Varies depending on grade (usually fine powder or crystals)
- Residue on Ignition
- <0.1%
- Melting Point
- 48.5C (pentahydrate)
- Boiling point
- Decomposes before boiling
- HS Code
- 283220
- Other Names
- Hypo Sodium hyposulfite Sodium thiosulfate pentahydrate
- CAS No
- 7772-98-7
- Type
- Inorganic compound
- Grade
- Industrial Grade Reagent Grade Pharmaceutical Grade
- Usage
- Photographic processing water dechlorination medical applications chemical processing
- Purity
- 99%
- Appearance
- White crystalline powder or colorless crystals
- Application
- Photographic fixer wastewater treatment gold extraction pharmaceutical industry
- Raw Material
- Sulfur Sodium hydroxide
- Smell
- Odorless
- Color
- White or colorless
- Form
- Solid (crystals or powder)
About Sodium Thiosulphate
In order to meet the diverse requirements of the clients we are providing Sodium Thiosulphate. This chemical is used to treat cyanide poisoning. Sodium Thiosulphate is delivered within committed time to the customers. This chemical is often used after the medication sodium nitrite and typically only recommended for severe cases.

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