tetrapotassium pyrophosphate: 1. a manufacture in China 2.established in 1992 3.hold ISO9001:2008 quality systerm certificate Tetrapotassium pyrophosphate :Chemical Name: Tetrapotassium PyrophosphateFormula: K4P2O7Molecular weight: 330.34Properties :The product is white powder or crystal ,easily soluble in water,the water solvent isalkaline ,insoluble in alcohol.Specifications:FCC ...