Sodium thiosulfate PurCert Secondary Working Standard [Includes all characterization data]
PurCert
Synonym: Sodium thiosulfate
Linear Formula:
Na2S2O3
Molecular Weight: 158.11 g/mol
CAS Number: 7772-98-7
Properties
| Water Solubility | 210 g/l at 20 °C |
| Assay Purity | >=98% |
| M pt. | NA |
| Density | 1.667 g/cm3 at 20 °C |
| Form | Solid |
Safety Information
| Hazard Statement(s) | NA |
| Precautionary Statement | NA |
| GHS Pictogram | |
| Signal word | NA |
| HS Code | NA |
| Storage Temp. | Room Temperature |
| Storage Class | 11 - Combustible Solids |
| UN Number | NA |
Description
Application
Used in photography as a fixer to remove unreacted silver halides. Applied in water treatment to remove chlorine (dechlorination). Used in medical treatment as an antidote for cyanide poisoning. Employed in analytical chemistry (iodometric titrations).
Purpose
Converts reactive or toxic substances into less harmful forms. Helps in stabilizing photographic images. Acts as a neutralizing and detoxifying agent in various processes.
General Description
Sodium thiosulfate (Na2S2O3) is an inorganic compound widely used in chemical and medical fields. Highly soluble in water. Chemically acts as a reducing agent.
Documents
| SDS | |
| COA | |
| Specification | |
| Bulk quote order form | |
| Sample COA |