Sodium thiosulfate pentahydrate
GR,99.5%
science Other reagents with same CAS 10102-17-7
blur_circular Chemical Specifications
description Product Description
Sodium thiosulfate pentahydrate is widely used in medical treatments, particularly as an antidote for cyanide poisoning. It works by converting cyanide into a less toxic substance, thiocyanate, which can then be safely excreted by the body. In addition to its medical applications, it is also employed in water treatment processes to neutralize chlorine and chloramine, making it essential for dechlorinating water in aquariums and swimming pools. In photography, it serves as a fixing agent to remove unexposed silver halides from photographic films and papers, ensuring image stability. Furthermore, it is utilized in analytical chemistry for iodometric titrations to determine the concentration of oxidizing agents. Its versatility extends to the textile industry, where it is used in bleaching processes and as a reducing agent in dyeing operations.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Calcium (Ca) | 0-0.003% |
| Chloride (Cl) | <=0.02% |
| Heavy Metals (Pb) | <=0.0005% |
| Insoluble Matter in Water | <=0.002% |
| Iron (Fe) | 0-0.0005% |
| Magnesium (Mg) | 0-0.001% |
| Solution | 6-8.5 |
| Sulfate and Sulfite (SO4) | 0-0.05 |
| Total Nitrogen | 0-0.005 |
| Assay | 99.5-100% |
| Clarity of Solution | Clarify |
| X-ray Diffraction | Conforms to Structure |
| Note | Low melting point solid; may change state in different environments (solid, liquid, or semi-solid) |
| Appearance | Colorless to white to off-white solid |
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