ammonium hydrogen sulfate supplier in kolkata india
East india chemicals Ammonium bisulfate, also known as ammonium hydrogen sulfate, is a white, crystalline solid with the formula (NH4)HSO4. It is the product of the half-neutralization of sulfuric acid by ammonia.
Production
It is commonly collected as a byproduct of the "acetone cyanohydrin route" to the commodity chemical methyl methacrylate.
It can also be obtained by hydrolysis of sulfamic acid in aqueous solution, which produces the salt in high purity:
H3NSO3 + H2O → [NH4]+[HSO4]−