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Product Overview
Sodium Thiosulfate is a versatile inorganic compound with the formula Na2S2O3. Known for its high solubility in water and hygroscopic nature, it primarily serves in water treatment, photography, and analytical chemistry.
Key Properties
- CAS Number: 7772-98-7
- UN Number: 1823
- Specific Gravity: 1.667
- Concentration: 99.5%
- Grade: Industrial
Common Applications
- Used in water treatment processes for dechlorination and detoxifying cyanide waste
- Essential in photographic processing to dissolve silver halides
- Employed in analytical chemistry as a titrant for iodine
Safety Precautions
Use personal protective equipment as required. Store in a cool, dry place. Avoid contact with skin and eyes. In case of contact, rinse with plenty of water.
Benefits
High purity Sodium Thiosulfate offers effective performance in water treatment, reliable chemical reactions in laboratories and consistent results in photographic development.
| Property | Value |
|---|---|
| Molecular Weight | 158.11 g/mol |
| Formula | Na2S2O3 |
| Grade | ACS |
| Form | Solid |
| Solubility | Soluble in water, slightly soluble in ethanol |
| Appearance | Colorless crystals or powder |
| Melting Point | 48 °C |
| Boiling Point | 100 °C |
| Specific Gravity | 1.667 |
| Industry | Environmental, Industrial, Wastewater |
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