1. Description
Sodium thiosulfate (CAS 7772-98-7) is an inorganic sodium salt widely recognized for its critical role as an antidote. Primarily used in pharmaceutical applications for treating cyanide poisoning, it also finds use in mitigating certain side effects of chemotherapy agents like cisplatin. Its key benefit lies in its potent reducing and chelating capabilities.
2. Properties Table
| Property | Value |
| Product Name | Sodium thiosulfate (Anhydrous) |
| CAS Number | 7772-98-7 |
| Molecular Formula | |
| Molecular Weight | |
| Appearance | White crystalline powder or granules |
| Purity | >98% (Pharmaceutical Grade, e.g., USP available) |
| Melting Point | Decomposes upon heating |
| Solubility | Very soluble in water; insoluble in ethanol |
3. Usage
- Key component in intravenous emergency kits as an antidote for acute cyanide poisoning.
- Used adjunctively in oncology to reduce nephrotoxicity associated with cisplatin chemotherapy.
- Applied topically in certain formulations for its antifungal properties (e.g., treating tinea versicolor).
4. Packaging & Transportation
Supplied in tightly sealed, moisture-resistant containers (e.g., poly-lined drums or bags) to prevent degradation due to its hygroscopic nature. Transported in compliance with standard regulations for non-hazardous chemicals.
5. Storage
Store in a cool, dry environment, away from acids and oxidizing agents. Keep containers tightly closed to protect from atmospheric moisture.
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