... . It is used as initiator for the polymerisation of monomers and as a Ammonium persulfate Molecular formula: (NH 4 ... Formula: Characteristics:Ammonium persulfate is a white, crystalline, odourless salt. It is used as initiator for the polymerisation ... , vinyl acetate, vinyl chloride etc. and for the emulsion copolymerisation of styrene, acrylonitrile, butadiene ... (slight water hazard) Ammonium Persulfate