IUPAC Name: 4-Fluorobenzenesulfonyl chloride
Molecular Formula: C₆H₄ClFO₂S
Molecular Weight: 194.61 g/mol
Canonical SMILES: S(c1ccc(F)cc1)(=O)(=O)Cl
InChI: InChI=1/C6H4ClFO2S/c7-11(9,10)6-3-1-5(8)2-4-6/h1-4H
EINECS: 206-493-0
Product Categories: Fluorobenzene; Miscellaneous; Organic Building Blocks; Sulfonyl Halides; Sulfur Compounds
Melting Point: 29-31 °C(lit.)
Solubility dioxane: 0.1 g/mL, clear
Sensitive: Moisture Sensitive
Surface Tension: 40.9 dyne/cm 
Density: 1.493 g/cm³ 
Flash Point: 113 °C 
Enthalpy of Vaporization: 48.08 kJ/mol 
Boiling Point: 263.2 °C at 760 mmHg 
Vapour Pressure of Benzenesulfonyl chloride, 4-fluoro- (CAS NO.349-88-2): 0.0171 mmHg at 25 °C

Hazard Codes: C
Risk Statements: 34 
R34:Causes burns.
Safety Statements: 26-28-36/37/39-45-27 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S28: After contact with skin, wash immediately with plenty of soap-suds. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection. 
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S27: Take off immediately all contaminated clothing.
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
Hazard Note: Corrosive
HazardClass: 8
PackingGroup of Benzenesulfonyl chloride, 4-fluoro- (CAS NO.349-88-2): II  

 Benzenesulfonyl chloride, 4-fluoro- (CAS NO.349-88-2), its Synonyms are 4-Fluorobenzenesulfonyl chloride ; 4-Fluorophenylsulfonyl chloride ; Benzenesulfonyl chloride, p-fluoro- ; p-Fluorobenzenesulfonyl chloride . It is white to light brown crystalline low melting mass.