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2-chloro-N-(oxomethylidene)benzenesulfonamide

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Origin: China

Cas No: 64900-65-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 64900-65-8 Formula: C7H4ClNO3S Molecular Weight: 217.63000

Basic Info

Chemical Name	2-chloro-N-(oxomethylidene)benzenesulfonamide
Synonyms	1-chloro-2-isocyanatosulfonylbenzene; chlorophenylsulfonyl isocyanate; o-chlorobenzenesulfonyl isocyanate; 2-chlorophenylsulfonyl isocyanate; 2-Chlorobenzenesulfonl isocyanate; 2-chloro-benzenesulfonyl isocyanate; 2-chlorophenylsulphonyl isocyanate;
CAS No.	64900-65-8
Molecular Formula	C7H4ClNO3S
Molecular Weight	217.63000
PSA	71.95000
LogP	2.44530

Properties

Density	1.484 g/mL at 25ºC(lit.)
Boiling Point	285ºC(lit.)
Flash Point	>230 °F
Refractive Index	n20/D 1.559(lit.)

Safety Info

Safety Statements	26-27-36/37/39
HS Code	2929109000
WGK Germany	3
RIDADR	UN 3265 8/PG 1
Risk Statements	R34
Hazard Codes	C

Synthesis Route

phosgene+o-Chlorobenzenesulfonamide→2-chloro-N-(oxomethylidene)benzenesulfonamide
carbon monoxide+Kalium N-chlor-2-chlorbenzolsulfonamidat→2-chloro-N-(oxomethylidene)benzenesulfonamide
Chlorosulfonyl Isocyanate+(CH3)3SnC6H4-o-Cl→2-chloro-N-(oxomethylidene)benzenesulfonamide

Precursor

o-Chlorobenzenesulfonamide
Kalium N-chlor-2-chlorbenzolsulfonamidat
n-butyl isocyanate
phosgene

Downstream Product

(2-chlorophenyl)sulfonylurea
o-Chlorobenzenesulfonamide

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