Product

2,5-Dichlorothiophene-3-sulfonyl chloride

CAS No.：56946-83-9

Other grades of this product :

2,5-Dichlorothiophene-3-sulfonyl chloride Basic information

Product Name:	2,5-Dichlorothiophene-3-sulfonyl chloride
Synonyms:	2,5-DICHLOROTHIOPHENE-3-SULFONYL CHLORIDE;2,5-DICHLOROTHIOPHENE-3-SULPHONYL CHLORIDE;AKOS 93404;BUTTPARK 27\06-19;2,5-DICHLOROTHIOPHENE-3-SULFONYL CHLORID;2,5-Dichloro-3-Thiophene Sulfonel Chloride;2,5-DICHLORO-3-THIOPHENE SULFONYL CHLORIDE;3-THIOPHENESULFONYLCHLORIDE,2,5-DICHLORO
CAS:	56946-83-9
MF:	C4HCl3O2S2
MW:	251.54
EINECS:
Product Categories:	Thiophene&Benzothiophene;Halogenated Heterocycles;Heterocyclic Building Blocks;Thiophenes;ThiophenesBuilding Blocks
Mol File:	56946-83-9.mol

2,5-Dichlorothiophene-3-sulfonyl chloride Chemical Properties

Melting point	130 °C
Boiling point	256-257 °C (lit.)
density	1.697 g/mL at 25 °C (lit.)
refractive index	n20/D 1.595(lit.)
Fp	>230 °F
storage temp.	2-8°C
Sensitive	Moisture Sensitive
BRN	1285315
CAS DataBase Reference	56946-83-9(CAS DataBase Reference)

Safety Information

Hazard Codes	C,Xi
Risk Statements	34
Safety Statements	26-36/37/39-45
RIDADR	UN 1760 8/PG 3
WGK Germany	3
Hazard Note	Irritant
HazardClass	8
PackingGroup	II
HS Code	29349990

MSDS Information

Provider	Language
2,5-Dichlorothiophene-3-sulfonyl chloride	English
SigmaAldrich	English
ALFA	English

2,5-Dichlorothiophene-3-sulfonyl chloride Usage And Synthesis

Chemical Properties	Colorless liquid
Uses	2,5-Dichlorothiophene-3-sulfonyl chloride may be used in the preparation of: 1-[(2,5-dichloro-3-thienyl)sulfonyl]-N-(6-nitro-1,3-benzothiazol-2-yl)piperidine-4-carboxamide 6-chloro-3-isopropylamino-4H-thieno[2,3-e]-1,2,4-thiadiazine 1,1-dioxide 6-fluoro-3-methyl-4-(2,5-dichlorothiophene-3-sulfonyl)-3,4-dihydroquinoxalin-2-(1H)-one
General Description	2,5-Dichlorothiophene-3-sulfonyl chloride is an heteroaryl sulfonyl chloride derivative.

2,5-Dichlorothiophene-3-sulfonyl chloride Preparation Products And Raw materials

Raw materials

Dichloromethane-->Thionyl chloride-->PETROLEUM ETHER-->Sodium sulfate-->Sodium chloride-->Chlorosulfonic acid-->2,5-Dichlorothiophene

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