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2-chlorobenzenesulfonyl isocyanate

Also known as: 2-chlorobenzenesulfonyl isocyanate, 2-Chlorophenylsulfonyl Isocyanate, o-chlorobenzenesulfonyl isocyanate, 2-chloro-N-(oxomethylidene)benzenesulfonamide, 1-chloro-2-(isocyanatosulfonyl)benzene, (2-Chlorophenyl)sulfonyl isocyanate, (o-Chlorophenyl)sulfonyl isocyanate, 2-Chlorobenzene-1-sulfonyl isocyanate, o-Chlorobenzenesulfonyl isocyanate, 2-Chlorobenzenesulfonyl isocyanate 90%, MFCD00037078

2-chlorobenzenesulfonyl isocyanate (CAS 64900-65-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNO3S and a molecular weight of 217.63000 g/mol. Key properties include a boiling point of 285 °C(lit.), a density of 1.484 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
64900-65-8
Jingsj CID
J-45069-1
Molecular Formula
C7H4ClNO3S
Molecular Weight
217.63000 g/mol
Category
Organic Acids
Last updated
11/3/2026

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Physicochemical Properties

Boiling Point285 °C(lit.)
Density1.484 g/mL at 25 °C(lit.)
Flash Point>110.0 °C
Exact Mass216.96000
PSA71.95000
LogP2.44530
Refractive Indexn20/D 1.559(lit.)

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

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-chlorobenzenesulfonyl isocyanate?

The CAS number of 2-chlorobenzenesulfonyl isocyanate is 64900-65-8.

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

2-chlorobenzenesulfonyl isocyanate has molecular formula C7H4ClNO3S and molecular weight 217.63000 g/mol.

Is 2-chlorobenzenesulfonyl isocyanate hazardous?

2-chlorobenzenesulfonyl isocyanate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

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

For 2-chlorobenzenesulfonyl isocyanate, Upstream Products: 2-Chlorobenzenesulfonamide, 1-Isocyanatobutane, Chlorosulfonyl isocyanate; Downstream Products: 2-Chlorobenzenesulfonamide.

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-chlorobenzenesulfonyl isocyanate (CAS 64900-65-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45069-1 (accessed 2026-11-09).

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