4-Chloro-3-methylphenyl isocyanate
4-氯-3-甲基苯基异氰酸酯
Also known as: 2-Chloro-4-isocyanato-1-methylbenzene, 1-Chloro-4-isocyanato-2-methylbenzene, 2-Chloro-5-isocyanatotoluene, 4-Chloro-m-tolyl isocyanate
4-Chloro-3-methylphenyl isocyanate (CAS 51488-20-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6ClNO and a molecular weight of 167.592 g/mol. It is also known as 2-Chloro-4-isocyanato-1-methylbenzene, 1-Chloro-4-isocyanato-2-methylbenzene and 2-Chloro-5-isocyanatotoluene. Key properties include a boiling point of 243.8±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 92.1±11.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51488-20-1
- Jingsj CID
- J-1339374-0
- Molecular Formula
- C8H6ClNO
- Chinese Name
- 4-氯-3-甲基苯基异氰酸酯
- Molecular Weight
- 167.592 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 243.8±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 92.1±11.0 °C |
Frequently Asked Questions
What is the CAS number of 4-Chloro-3-methylphenyl isocyanate?
The CAS number of 4-Chloro-3-methylphenyl isocyanate is 51488-20-1.
What are the molecular formula and molecular weight of 4-Chloro-3-methylphenyl isocyanate?
4-Chloro-3-methylphenyl isocyanate has molecular formula C8H6ClNO and molecular weight 167.592 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-3-methylphenyl isocyanate (CAS 51488-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1339374-0 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.