4-chloro-2-fluorobenzenesulfonyl chloride

Modify Date: 2025-09-01 10:44:46

4-chloro-2-fluorobenzenesulfonyl chloride Structure
4-chloro-2-fluorobenzenesulfonyl chloride structure
Common Name 4-chloro-2-fluorobenzenesulfonyl chloride
CAS Number 141337-26-0 Molecular Weight 229.05600
Density 2.096g/cm3 Boiling Point 245.7ºC at 760mmHg
Molecular Formula C6H3Cl2FO2S Melting Point 34-38 °C(lit.)
MSDS Chinese USA Flash Point >230 °F
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name 4-Chloro-2-fluorobenzene-1-sulfonyl chloride
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.096g/cm3
Boiling Point 245.7ºC at 760mmHg
Melting Point 34-38 °C(lit.)
Molecular Formula C6H3Cl2FO2S
Molecular Weight 229.05600
Flash Point >230 °F
Exact Mass 227.92100
PSA 42.52000
LogP 3.48740
Vapour Pressure 0.0234mmHg at 25°C
Index of Refraction 1.55
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
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 2904909090

 Synthetic Route

~73%

4-chloro-2-fluorobenzenesulfonyl chloride Structure

4-chloro-2-fluo...

CAS#:141337-26-0

Literature: Schering Corporation Patent: US2003/232859 A1, 2003 ; Location in patent: Page 56 ; US 20030232859 A1

 Customs

HS Code 2904909090
Summary HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

 Synonyms

4-Chloro-2-fluorobenzenesulfonyl chloride
MFCD03094560
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