2-chlorobenzenesulfonyl isocyanate

邻氯苯磺酰基异氰酸酯

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. It is also known as 2-Chlorophenylsulfonyl Isocyanate, o-chlorobenzenesulfonyl isocyanate and 2-chloro-N-(oxomethylidene)benzenesulfonamide. 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 >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
64900-65-8
Jingsj CID
J-45069-4
Molecular Formula
C7H4ClNO3S
Chinese Name
邻氯苯磺酰基异氰酸酯
Molecular Weight
217.63000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point285 °C(lit.)
Density1.484 g/mL at 25 °C(lit.)
Flash Point>230 °F

GHS Safety & Compliance

CorrosionSignal word: Danger

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.

Data compiled from public chemical databases 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-45069-4 (accessed 2026-10-22).

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