4,5-Dichloro-2-thiophenesulfonyl chloride

Modify Date: 2025-08-27 15:26:25

4,5-Dichloro-2-thiophenesulfonyl chloride Structure
4,5-Dichloro-2-thiophenesulfonyl chloride structure
Common Name 4,5-Dichloro-2-thiophenesulfonyl chloride
CAS Number 126714-85-0 Molecular Weight 251.538
Density 1.8±0.1 g/cm3 Boiling Point 338.7±42.0 °C at 760 mmHg
Molecular Formula C4HCl3O2S2 Melting Point 54-58 °C(lit.)
MSDS Chinese USA Flash Point 158.6±27.9 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

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

 Chemical & Physical Properties

Density 1.8±0.1 g/cm3
Boiling Point 338.7±42.0 °C at 760 mmHg
Melting Point 54-58 °C(lit.)
Molecular Formula C4HCl3O2S2
Molecular Weight 251.538
Flash Point 158.6±27.9 °C
Exact Mass 249.848358
PSA 70.76000
LogP 3.50
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.608
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 Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive;
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 2
WGK Germany 3
Packaging Group II
Hazard Class 8
HS Code 2934999090

 Synthetic Route

~%

4,5-Dichloro-2-thiophenesulfonyl chloride Structure

4,5-Dichloro-2-...

CAS#:126714-85-0

Literature: Justus Liebigs Annalen der Chemie, , vol. 2, p. 185,243,245

 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

4,5-dichlorothiophene-2-sulfonyl chloride
2,3-Dichlorothiophene-5-sulfonyl chloride
2-Thiophenesulfonyl chloride, 4,5-dichloro-
4,5-Dichloro-2-thiophenesulfonyl chloride
MFCD00052092
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.
Top Suppliers:I want be here



Get all suppliers and price by the below link:

4,5-Dichloro-2-thiophenesulfonyl chloride suppliers


Price: ¥312/5g

Reference only. check more 4,5-Dichloro-2-thiophenesulfonyl chloride price