4-Chlorophenyl isothiocyanate
4-氯苯基异硫氰酸酯
Also known as: Isothiocyanic Acid 4-Chlorophenyl Ester, 1-chloro-4-isothiocyanatobenzene, p-Chlorophenyl isothiocyanate, 4-Chlorophenyl isothiocyate, Benzene, 1-chloro-4-isothiocyanato-, p-Cl-Ph-NCS, MFCD00004810, EINECS 218-358-3
- CAS No.
- 2131-55-7
- Jingsj CID
- J-44592-4
- Molecular Formula
- C7H4ClNS
- Chinese Name
- 4-氯苯基异硫氰酸酯
- Molecular Weight
- 169.631 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 42-44 °C(lit.) |
|---|---|
| Boiling Point | 250.2±13.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 105.1±19.8 °C |
GHS Safety & Compliance
Acute Toxicity / Health HazardSignal word: Danger
Frequently Asked Questions
What is the CAS number of 4-Chlorophenyl isothiocyanate?
2131-55-7
What are the molecular formula and molecular weight of 4-Chlorophenyl isothiocyanate?
C7H4ClNS, molecular weight 169.631 g/mol
Is 4-Chlorophenyl isothiocyanate hazardous?
Danger
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026