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2-Chlorobenzyl isocyanate

Also known as: 2-Chlorobenzyl isocyanate, 1-chloro-2-(isocyanatomethyl)benzene, Benzene, 1-chloro-2-(isocyanatomethyl)-, 2-chlorobenzylisocyanate, (2-chlorophenyl)methanisocyanate

2-Chlorobenzyl isocyanate (CAS 55204-93-8) 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 167.59200 g/mol. Key properties include a boiling point of 238ºC(lit.), a density of 1.149 g/mL at 25ºC(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
55204-93-8
Jingsj CID
J-869465-3
Molecular Formula
C8H6ClNO
Molecular Weight
167.59200 g/mol
Category
Organic Acids
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point238ºC(lit.)
Density1.149 g/mL at 25ºC(lit.)
Flash Point>110.0 °C
Exact Mass167.01400
PSA29.43000
LogP2.17580
Refractive Indexn20/D 1.547(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H332 — Harmful if inhaled
  • H335 — May cause respiratory irritation

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 2-Chlorobenzyl isocyanate?

The CAS number of 2-Chlorobenzyl isocyanate is 55204-93-8.

What are the molecular formula and molecular weight of 2-Chlorobenzyl isocyanate?

2-Chlorobenzyl isocyanate has molecular formula C8H6ClNO and molecular weight 167.59200 g/mol.

Is 2-Chlorobenzyl isocyanate hazardous?

2-Chlorobenzyl isocyanate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.

What are the upstream and downstream products of 2-Chlorobenzyl isocyanate?

For 2-Chlorobenzyl isocyanate, Upstream Products: Bis(trichloromethyl) carbonate, 2-Chlorobenzylamine.

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

Last updated:

How to cite: Jingsj. "2-Chlorobenzyl isocyanate (CAS 55204-93-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-869465-3 (accessed 2026-11-09).

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