Sulfurous Acid
Use attributes for filter ! | |
Formula | H2SO3 |
---|---|
IUPAC ID | Sulfurous acid |
Molar mass | 82. 07 g/mol |
Conjugate base | Bisulfite |
Acidity (pKa) | 1. 857, 7. 172 |
R-phrases (outdated) | R20, R34 |
Date of Reg. | |
Date of Upd. | |
ID | 967458 |
About Sulfurous Acid
Sulfurous acid is the chemical compound with the formula H₂SO₃. There is no evidence that sulfurous acid exists in solution, but the molecule has been detected in the gas phase. The conjugate bases of this elusive acid are, however, common anions, bisulfite and sulfite.