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4-Chlorobenzenesulfonic acid

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Origin: China

Cas No: 98-66-8

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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Product Description

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CAS No.: 98-66-8 Formula: C6H5ClO3S Molecular Weight: 192.62000

Description

4-Chlorobenzenesulfonic acid is an aromatic compound that is used to synthesize a variety of sulfonyl azides. 4-Chlorobenzenesulfonic acid is also used for its effectivenes in promoting para-selective reactions.

Basic Info

Chemical Name	4-Chlorobenzenesulfonic acid
Synonyms	Benzenesulfonic acid,p-chloro; Benzenesulfonic acid, 4-chloro-; p-Chlorophenylsulfonic acid; Benzenesulfonic acid,4-chloro; 4-Chloro-benzenesulfonic acid; p-Chlorobenzenesulfonic acid; 4-Chlorobenzenesulphonic acid; EINECS 202-690-0;
CAS No.	98-66-8
Molecular Formula	C6H5ClO3S
Molecular Weight	192.62000
PSA	62.75000
LogP	2.66750

Properties

Appearance & Physical State	grayish crystals
Density	1.551g/cm3
Boiling Point	149ºC
Melting Point	102ºC
Flash Point	108ºC
Stability	Stable. Incompatible with strong oxidizing agents.
Storage Condition	Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.

Safety Info

RTECS	DB5074000
Hazard Class	8
Safety Statements	S24/25
HS Code	2904909090
WGK Germany	3
Packing Group	III
RIDADR	UN 2583
Risk Statements	R22; R34
Hazard Codes	C

Synthesis Route

phenyl 4-chlorobenzenesulfonate+Benzylamine→N-Benzylaniline+4-Chlorobenzenesulfonic acid
(4-nitrophenyl) 4-chlorobenzenesulfonate+Benzylamine→4-nitrophenol+N-benzyl-4-nitroaniline
chlorfenson+Benzylamine→4-chloro-N-(phenylmethyl)aniline+4-Chlorobenzenesulfonic acid

Precursor

4-Chlorothiophenol
1-chloro-2-(4-chlorophenyl)sulfonylbenzene
4-Chlorobenzenesulfonamide
4,4'-DICHLORODIPHENYL DISULFIDE

Downstream Product

ethyl 4-chlorobenzenesulfonate
4-Chloro-3-nitrobenzenesulfonic acid
2-chlorobenzenesulfonic acid
4-Chloronitrobenzene

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