Alcohol Insoluble Ferric Ammonium Sulphate is a double salt of iron sulphate and ammonium sulphate. The Ferric Ammonium Sulphate is pale violate and translucent crystals. The Ferric Ammonium Sulphate is soluble in 3 parts of water and is insoluble in alcohol. The Alcohol Insoluble Ferric Ammonium Sulphate has insoluble of 0. 01 % maximum, chloride of 0. 02 % maximum, nitrate maximum of .0. 01 %, ferrous iron maximum of 0. 01 % and manganese of maximum 0. 005 %.
