Molecular Structure of 2-Bromo-1-ethanesulfonic acid (CAS NO.26978-65-4):

IUPAC: 2-Bromoethanesulfonic acid
Molecular Formula: C₂H₅BrO₃S
Molecular Weight: 189.03
EINECS: 248-150-8
Melting Point: 42-44^oC
Density: 2.026 g/cm³
Boiling Point: 192-195^oC
Index of Refraction: 1.542
Molar Volume: 93.2 cm³
Surface Tension: 63.9 dyne/cm
H bond acceptors: 3
H bond donors: 1 
Molar Refractivity: 29.37 cm³  
SMILES: BrCCS(=O)(=O)O 
InChI: InChI=1/C2H5BrO3S/c3-1-2-7(4,5)6/h1-2H2,(H,4,5,6) 
InChIKey: OQFSYHWITGFERZ-UHFFFAOYAN

Safety Information of 2-Bromo-1-ethanesulfonic acid (CAS NO.26978-65-4):
Hazard Codes: Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.

 2-Bromo-1-ethanesulfonic acid with cas registry number of 26978-65-4 is also known as 2-Bromoethanesulfonic acid ; Ethanesulfonic acid, 2-bromo- ; 2-Bromoethanesulphonic acid ; 2-Bromoethane-sulphonate . It would emit acrid smoke and irritating fumes when heated to decomposition. This compound should be stored in a cool, dry place. 2-Bromo-1-ethanesulfonic acid with cas registry number of 26978-65-4 is used as a pharmaceutical intermediate .