2,5-Dichlorothiophene-3-sulfonyl chloride

Modify Date: 2025-08-27 11:31:09

2,5-Dichlorothiophene-3-sulfonyl chloride Structure
2,5-Dichlorothiophene-3-sulfonyl chloride structure
Common Name 2,5-Dichlorothiophene-3-sulfonyl chloride
CAS Number 56946-83-9 Molecular Weight 251.53900
Density 1.697 g/mL at 25 °C(lit.) Boiling Point 256-257 °C(lit.)
Molecular Formula C4HCl3O2S2 Melting Point N/A
MSDS Chinese Flash Point >230 °F
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name 2,5-Dichlorothiophene-3-sulfonyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.697 g/mL at 25 °C(lit.)
Boiling Point 256-257 °C(lit.)
Molecular Formula C4HCl3O2S2
Molecular Weight 251.53900
Flash Point >230 °F
Exact Mass 249.84800
PSA 70.76000
LogP 4.06320
Index of Refraction n20/D 1.595(lit.)
Storage condition 2-8°C

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive;
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 1760 8/PG 3
WGK Germany 3
Packaging Group II
Hazard Class 8
HS Code 2934999090

 Synthetic Route

~%

2,5-Dichlorothiophene-3-sulfonyl chloride Structure

2,5-Dichlorothi...

CAS#:56946-83-9

Literature: Journal of Medicinal Chemistry, , vol. 40, # 6 p. 980 - 989

 Precursor & DownStream

Precursor  1

DownStream  1

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

2,4-DIFLUORO-3-METHYLBENZYL AMINE
2,5-dichlorothiophenethiophene-3-sulfonic acid chloride
2,5-dichlorothien-3-ylsulfonyl chloride
MFCD00051665
2,5-dichloro-3-thiophene sulphonyl chloride
2,5-dichloro-3-thiophenesulfonyl chloride
2,5-DICHLOROTHIOPHENE-3-SULPHONYL CHLORIDE
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