Mercuric sulphate, 99%, commonly called mercuric sulfate, is the chemical compound HgSO4.
M 1725 (OTTO) Mercuric sulphate, 99% Cas 7783-35-9 - used as the catalyst for the production of acetaldehyde from acetylene and water. M 1725 (OTTO) Mercuric sulphate, 99% Cas 7783-35-9 - used as a catalyst in oxymercuration-demercuration, a type of electrophilic addition reaction.