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2,5-DICHLOROBENZENESULFONYL CHLORIDE

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Origin: China

Cas No: 5402-73-3

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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Products Specification
Product Description

Property

CAS No.: 5402-73-3 Formula: C6H3Cl3O2S Molecular Weight: 245.51100

Description

2,5-Dichlorobenzenesulfonyl Chloride is used in the synthesis of sulfonamide derivatives that show antibacterial activity.

Basic Info

Chemical Name	2,5-DICHLOROBENZENESULFONYL CHLORIDE
Synonyms	2,5-Dichlorobenzene-1-sulfonyl chloride; Benzenesulfonyl chloride,2,5-dichloro; 2,5-Dichlorobenzenesulfonyl chloride; 2,5-dichlorobenzenesulfochloride; Benzenesulfonyl chloride, 2,5-dichloro-; 2,4-DICYANOBENZOTRIFLUORIDE; 2,5-Dichlorobenzenesulphonyl chloride; 2,5-dichloro-benzenesulfonyl chloride;
CAS No.	5402-73-3
Molecular Formula	C6H3Cl3O2S
Molecular Weight	245.51100
PSA	42.52000
LogP	4.00170

Properties

Appearance & Physical State	beige crystalline powder
Density	1.636 g/cm3
Boiling Point	327.6ºC at 760 mmHg
Melting Point	35-39ºC
Flash Point	151.9ºC
Refractive Index	1.581

Safety Info

Hazard Class	8
Safety Statements	S24/25-S26
HS Code	2904909090
Packing Group	II
WGK Germany	3
RIDADR	UN 3261 8/PG 2
Risk Statements	R34
Hazard Codes	C

Synthesis Route

1,4-dichlorobenzene→2,5-Dichlorobenzenesulfonic Acid Dihydrate+2,5-DICHLOROBENZENESULFONYL CHLORIDE
sulfurochloridic acid+1,4-dichlorobenzene→2,5-Dichlorobenzenesulfonic Acid Dihydrate+2,5-DICHLOROBENZENESULFONYL CHLORIDE
1,4-dichlorobenzene→2,5-DICHLOROBENZENESULFONYL CHLORIDE

Precursor

Sulfuric acid
2,5-Dichlorobenzenesulfonic Acid Dihydrate
sulfurochloridic acid
1,4-dichlorobenzene

Downstream Product

(2Z)-4,7-dichloro-2-(4,7-dichloro-3-oxo-1-benzothiophen-2-ylidene)-1-benzothiophen-3-one
2,5-DICHLOROTHIOPHENOL
2,5-dichlorobiphenyl
1,4-dichloro-2-methylsulfanylbenzene

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