2,5-Dichlorothiophene-3-sulfonylchloride , 98% , 56946-83-9

CAS NO.：56946-83-9

Empirical Formula: C4HCl3O2S2

Molecular Weight: 251.54

MDL number: MFCD00051665

PRODUCT 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.)
• Flash point: >230 °F
• storage temp.: 2-8°C
• Sensitive: Moisture Sensitive
• BRN: 1285315
• CAS DataBase Reference: 56946-83-9(CAS DataBase Reference)

Description and 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

Safety

• Symbol(GHS): GHS05
• Signal word: Danger
• Hazard statements: H314
• Precautionary statements: P280-P305+P351+P338-P310
• 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