3-Chlorophenyl isocyanate

3-氯苯异氰酸酯

Also known as: 1-Chloro-3-isocyanatobenzene, 3-Chloroisocyanatobenzene, m-Chlorophenyl isocyanate, Isocyanic acid, m-chlorophenyl ester, Benzene, 1-chloro-3-isocyanato-, MFCD00002016, EINECS 220-822-5, 3-chlorophenylcarbonimide

3-Chlorophenyl isocyanate (CAS 2909-38-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNO and a molecular weight of 153.566 g/mol. It is also known as 1-Chloro-3-isocyanatobenzene, 3-Chloroisocyanatobenzene and m-Chlorophenyl isocyanate. Key properties include a melting point of −4 °C(lit.), a boiling point of 202.4±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 86.7±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2909-38-8
Jingsj CID
J-8996-2
Molecular Formula
C7H4ClNO
Chinese Name
3-氯苯异氰酸酯
Molecular Weight
153.566 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−4 °C(lit.)
Boiling Point202.4±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point86.7±0.0 °C

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Chlorophenyl isocyanate?

The CAS number of 3-Chlorophenyl isocyanate is 2909-38-8.

What are the molecular formula and molecular weight of 3-Chlorophenyl isocyanate?

3-Chlorophenyl isocyanate has molecular formula C7H4ClNO and molecular weight 153.566 g/mol.

Is 3-Chlorophenyl isocyanate hazardous?

3-Chlorophenyl isocyanate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Chlorophenyl isocyanate (CAS 2909-38-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8996-2 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.