2,4-Dichlorobenzyl isocyanate

Also known as: 2,4-dichloro-1-(isocyanatomethyl)benzene, 2,4-dichloro-(isocyanatomethyl)benzene, 2,4-dichloro-1-isocyanatomethyl-benzene, 2,4-dichlorobenzyl-isocyanate, Benzene, 2,4-dichloro-1-(isocyanatomethyl)-, MFCD00037075

2,4-Dichlorobenzyl isocyanate (CAS 19654-32-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5Cl2NO and a molecular weight of 202.037 g/mol. Key properties include a boiling point of 268.9±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 100.1±13.8 °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 Aug 21, 2026.

CAS No.: 19654-32-1
Jingsj CID: J-34299-4
Molecular Formula: C₈H₅Cl₂NO
Molecular Weight: 202.037 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	268.9±30.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	100.1±13.8 °C
Exact Mass	200.974823
PSA	29.43000
LogP	3.81
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.565

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 Code	2929109000
Summary	2929109000. 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 2,4-Dichlorobenzyl isocyanate?

The CAS number of 2,4-Dichlorobenzyl isocyanate is 19654-32-1.

What are the molecular formula and molecular weight of 2,4-Dichlorobenzyl isocyanate?

2,4-Dichlorobenzyl isocyanate has molecular formula C8H5Cl2NO and molecular weight 202.037 g/mol.

Is 2,4-Dichlorobenzyl isocyanate hazardous?

2,4-Dichlorobenzyl 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 2,4-Dichlorobenzyl isocyanate?

For 2,4-Dichlorobenzyl isocyanate, Upstream Products: 2,4-Dichlorophenylacetic acid, 2,4-Dichlorobenzylamine, (2,4-Dichlorophenyl)acetyl chloride.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2,4-Dichlorobenzyl isocyanate (CAS 19654-32-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34299-4 (accessed 2026-11-09).

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