3,4-Dichlorobenzenesulfinic acid sodium salt CAS 40178-19-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 40178-19-6 |
| Molecular Formula | C6H3Cl2O2S Na |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4-Dichlorobenzenesulfinic acid sodium salt (CAS 40178-19-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H3Cl2O2S Na. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H3Cl2O2S Na |
| Molecular Weight | 233.04 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
Related Dichlorobenzenesulfinic Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com