... formula: (NH4)2SO4 Density: 1.769g/cm3 Purity: 99% H.S.code: 31022100 Class: fertilizer, inorganic salt Ammonium Sulphate [English ... 24S. Generally, it is a by-product from chemical (cyanuric acid, capro, acrylonitrile, sodium cyanide, monosodium glutamate - MSG, methyl methacrylate ... additive.5) In dyeing industry, as a dyeing auxiliaries of acid dyes.6) In leather industry, as a deliming agent.7) ...