Sodium Tripolyphosphate CasNo.: 7758-29-4 are produced by thermal phosphoric acid processing. It is High quality, low heavy metal content. Sodium tripolyphosphate has the functions of chelating, suspending, dispersing, peptizing, emulsifying, pH buffering, etc. It can be used as the main auxiliary agent of synthetic detergent, industrial water softener, leather pre-tanning agent, dyeing auxiliary agent, organic synthesis catalyst , Pharmaceutical industry dispersant and food additives, etc.ZXCHEM