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N-(oxomethylidene)benzenesulfonamide

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Origin: China

Cas No: 2845-62-7

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

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

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Products Specification
Product Description

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CAS No.: 2845-62-7 Formula: C7H5NO3S Molecular Weight: 183.18400

Basic Info

Chemical Name	N-(oxomethylidene)benzenesulfonamide
Synonyms	phenylsulfonylisocyanate; Benzenesulfonyl isocyanate; Benzolsulfonylisocyanat; benzenesulphonyl isocyanate; Phenylsulphonyl isocyanate;
CAS No.	2845-62-7
Molecular Formula	C7H5NO3S
Molecular Weight	183.18400
PSA	71.95000
LogP	1.79190

Properties

Appearance & Physical State	CLEAR COLOURLESS LIQUID
Density	1.31 g/cm3
Boiling Point	272ºC at 760 mmHg
Flash Point	118.3ºC
Refractive Index	n20/D 1.536(lit.)
Storage Condition	Refrigerator (+4ºC)
Vapor Pressure	0.0104mmHg at 25°C

Safety Info

Hazard Class	6.1
Safety Statements	23-26-36
HS Code	2929109000
WGK Germany	3
Packing Group	II
RIDADR	UN 2922 8
Risk Statements	R20/22
Hazard Codes	Xn

Synthesis Route

Benzenesulfonyl Chloride→Benzenesulfonic Anhydride+N-(oxomethylidene)benzenesulfonamide
silver,cyanate+Benzenesulfonyl Chloride→Benzenesulfonic Anhydride+N-(oxomethylidene)benzenesulfonamide
TRIMETHYLSILYL ISOCYANATE+BENZENESULFONYL FLUORIDE→fluoro(trimethyl)silane+N-(oxomethylidene)benzenesulfonamide

Precursor

Chloramine B
N,N-bis(trimethylsilyl)benzenesulfonamide
TRIMETHYLSILYL ISOCYANATE
potassium chloro(phenylsulfonyl)amide

Downstream Product

1-(trimethylsilyl)-5-[(trimethylsilyl)oxy]tetrazole
N,N-bis(trimethylsilyl)benzenesulfonamide
N-cyclohepta-2,4,6-trien-1-ylidenebenzenesulfonamide
Azidotrimethylsilane

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