Skip to main content

3-Chlorophenyl isocyanate

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. 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. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage, H330 — Fatal if inhaled and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2909-38-8
Jingsj CID
J-8996-3
Molecular Formula
C7H4ClNO
Molecular Weight
153.566 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

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
Exact Mass152.998138
PSA29.43000
LogP3.30
Vapor Pressure0.3±0.4 mmHg at 25°C
Refractive Index1.551
Additional PropertyDecomposes

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H314 — Causes severe skin burns and eye damage
  • H330 — Fatal if inhaled
  • H334 — May cause allergy or asthma symptoms if inhaled

Customs & Trade Information

HS Code2929109000
Summary2929109000. other isocyanates. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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 and hazard statements H314 — Causes severe skin burns and eye damage; H330 — Fatal if inhaled; H334 — May cause allergy or asthma symptoms if inhaled.

What are the upstream and downstream products of 3-Chlorophenyl isocyanate?

For 3-Chlorophenyl isocyanate, Upstream Products: Bis(trichloromethyl) carbonate, 3-Chloroaniline, (3-Chlorophenyl)carbamic chloride; Downstream Products: 2,2,2-Trifluoroethyl (3-chlorophenyl)carbamate, 2-Amino-4-chlorobenzoic acid.

Data compiled from public chemical databases such as PubChem 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-8996-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.