Sodium bisulfite CAS 7631-90-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7631-90-5 |
| Molecular Formula | HO3S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Sodium bisulfite (CAS 7631-90-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: HO3S Na. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | HO3S Na |
| Molecular Weight | 104.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Freely soluble in water |
| Stability | Hygroscopic; reseal immediately after opening |
| CAS Registry Year (est.) | 1959 |
| Sulfur Atoms | 1 |
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