Product name:biggest golden supplier of potash alum in china Cas:7784-24-9 Hs:2833301000 Chemical name: alk(so4)2.12h2o Shape and properties: colorless transparent, lumpy or crystalline powder, non-toxic, odorless, slightly sweet and astringent taste, with convergence. Food industry: food fermentation, vermicelli processing, salted aquatic products, food preservative and additive. Chemical industry: water flocculant, sizing of paper, painting and dyeing of coating, drug, making of paint and leather, coagulant, processing of fiber board and rubber processing, seed disinfection, animal treatment and soil improvement.