Product Name

  • Name

    2-Bromo-1-ethanesulfonic acid

  • EINECS 248-150-8
  • CAS No. 26978-65-4
  • Article Data6
  • CAS DataBase
  • Density 2.026g/cm3
  • Solubility
  • Melting Point 42-44 C
  • Formula C2H5 Br O3 S
  • Boiling Point °Cat760mmHg
  • Molecular Weight 189.03
  • Flash Point °C
  • Transport Information
  • Appearance
  • Safety 26-36
  • Risk Codes 20/21/22-36/37/38
  • Molecular Structure Molecular Structure of 26978-65-4 (2-Bromo-1-ethanesulfonic acid)
  • Hazard Symbols Xn
  • Synonyms 2-Bromoethanesulfonicacid; Bromoethanesulfonic acid
  • PSA 62.75000
  • LogP 1.34990

2-Bromo-1-ethanesulfonic acid Chemical Properties

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: 42-44oC
Density: 2.026 g/cm3
Boiling Point: 192-195oC
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

2-Bromo-1-ethanesulfonic acid Safety Profile

Safety Information of 2-Bromo-1-ethanesulfonic acid (CAS NO.26978-65-4):
Hazard Codes: XnHarmful
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 Specification

 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 .

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