Disulfurous Acid Market to Increase at Steady Growth Rate 2016-2024
Disulfurous acid or pyrosulfurous acid is an oxoacid of sulfur with the formula H2S2O5. Its salts are called disulfites or metabisulfites. Disulfurous acid is a phantom acid and does not exist in the free state. Disulfite has two directly connected sulfur atoms. The oxidation state of the sulfur atom bonded to three oxygen atoms is +5, whereas the oxidation number of the other is +3.