28479-22-3 Benzene, 2-chloro-4-isocyanato-1-methyl- 3-Chloro-p-tolyl isocyanate 3-Chloro-4-methylphenyl isocyanate EINECS 249-050-7 EC 249-050-7 3-Chloro-4-methylphenyl isocyanate [UN2236] [Poison] UN2236 CAS 28479-22-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28479-22-3 |
| Molecular Formula | C8H12ClNO |
| Molecular Weight | 173.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 28479-22-3 Benzene, 2-chloro-4-isocyanato-1-methyl- 3-Chloro-p-tolyl isocyanate 3-Chloro-4-methylphenyl isocyanate EINECS 249-050-7 EC 249-050-7 3-Chloro-4-methylphenyl isocyanate [UN2236] [Poison] UN2236 (CAS 28479-22-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H12ClNO. Molecular weight: 173.64 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H12ClNO |
| Molecular Weight | 173.64 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 3-Acetyl-4,5-dichloro-1H-indole (CAS 1482735-76-1)
- Sedanolide (CAS 6415-59-4)
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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