| Item # | S1102 |
|---|---|
| Weight | N/A |
| Dimensions | N/A |
| Material Grade | ACS |
| Available Size(s) | 500g, 2.5kg, 12.5kg |
| Manufacturer | |
| Packaging Type | Poly, Poly Pail |
| CAS # | 10102-17-7 |
| Safety Data Sheet | View/Download SDS |
| Sample COA | View/Download Sample COA |
Meets ACS reagent specifications. Suitable for laboratory uses.
Sodium Thiosulfate, ACS – Na₂S₂O₃ · 5H₂O | CAS 10102-17-7
Product Overview
Sodium Thiosulfate, ACS Grade is a crystalline compound widely recognized for its roles as a reducing agent, complexing agent, and photographic fixer. This high-purity formulation meets the standards set by the American Chemical Society, making it suitable for precise analytical and laboratory applications. It is especially valuable in iodometric titrations, chlorine neutralization, and water treatment, where reliable chemical performance is essential.
Key Industries
- Analytical Chemistry – Used in redox titrations and as a standard in iodometry
- Water Treatment – Neutralizes residual chlorine in municipal and laboratory water systems
- Photographic Processing – Acts as a fixer to dissolve unreacted silver halides
- Education & Research – Common in laboratory instruction and chemical demonstrations
- Mining & Metallurgy – Involved in processes such as gold extraction and metal analysis
- Environmental Testing – Applied in dechlorination during sampling and analysis
Packaging Options
Sodium Thiosulfate, ACS Grade is available in various packaging formats suitable for laboratory, educational, and industrial applications. All containers are supplied with a Certificate of Analysis to verify ACS compliance and ensure quality control.
PubChem CID
61475
Molecular Formula
H10Na2O8S2
Molecular Weight
248.19
Synonyms
SODIUM THIOSULFATE PENTAHYDRATE 10102-17-7 Disodium thiosulfate pentahydrate Sodium thiosulfate, pentahydrate MFCD00149186 NSC-45624, Thiosulfuric Acid, Disodium Salt, Pentahydrate Sodium Hypsosulfite, Pentahydrate
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