Sodium Thiosulfate, Pentahydrate, Crystal, Reagent, ACS
Introducing Sodium Thiosulfate, Pentahydrate, a high-purity crystal reagent specifically designed for analytical chemistry applications. This premium-grade chemical is renowned for its ability to react stoichiometrically with iodine in aqueous solutions, making it essential for various analytical techniques.
Key Features:
- ACS Grade Quality: This reagent meets the rigorous standards set by the American Chemical Society, ensuring optimal purity and reliability for laboratory use.
- Chemical Specifications: Designed for high-purity applications, it adheres to the de facto standards expected for laboratory reagents.
- Highly Efficient: The thiosulfate anion's stoichiometric reaction with iodine underlines its value in precise analytical methodologies.
Technical Specifications:
| Chemical Characteristics |
Pentahydrate |
| Chemical CAS Number |
10102-17-7 |
| Chemical Formula |
Na2S2O3•5H2O |
| Chemical Formula Weight |
F.W. 248.19 |
| Chemical Specs |
Assay (Na2S2O3•5H2O) 99.5-101.0%
pH of a 5% Solution @ 25.0°C: 6.0-8.4
Maximum Limits:
- Nitrogen Compounds (as N): 0.002%
- Sulfate and Sulfite (as SO4): 0.1%
- Sulfide (as S): To pass test (limit about 1 ppm)
|
| Chemical Storage Info |
Hygroscopic: Keep tightly closed. |
| Chemical UPS Limit |
150 lb |
| Health |
2 |
| Chemical Category |
Inorganic Chemicals | A.C.S. |
