4,5-Dichloro-2-thiophenesulfonyl chloride

Modify Date: 2024-01-05 13:44:52

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