The Molecular Structure of 2-Chloro-4-bromo-benzenesulfonyl chloride (CAS NO.351003-52-6):

Empirical Formula: C₆H₃BrCl₂O₂S
Molecular Weight: 289.9618
IUPAC Name: 4-bromo-2-chlorobenzenesulfonyl chloride
Appearance: yellow crystals or chunks
Product Categories: Organic Building Blocks;Sulfonyl Halides;Sulfur Compounds
Nominal Mass: 288 Da
Average Mass: 289.9618 Da
Monoisotopic Mass: 287.84141 Da 
Index of Refraction: 1.602
Molar Refractivity: 52.94 cm³
Molar Volume: 154.2 cm³
Surface Tension: 50.1 dyne/cm
Density: 1.88 g/cm³
Flash Point: 147.3 °C
Enthalpy of Vaporization: 53.92 kJ/mol
Boiling Point: 319.9 °C at 760 mmHg
Vapour Pressure: 0.000616 mmHg at 25°C 
Storage temp: Store under inert gas
Sensitive: Moisture Sensitive

Hazard Codes: C
Risk Statements: 34 
R34: Causes burns
Safety Statements: 23-26-36/37/39-45 
S23: Do not breathe vapour
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
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.)
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
Hazard Note: Irritant
HazardClass: 8
PackingGroup: II

 2-Chloro-4-bromo-benzenesulfonyl chloride (CAS NO.351003-52-6) is also called as 4-Bromo-2-chlorobenzenesulphonyl chloride 97% ; 4-Bromo-2-chlorobenzene-1-sulfonyl chloride ; 4-Bromo-2-chlorobenzenesulfonyl chloride,97% .