Sodium Tripolyphosphate (STPP)

Sodium Tripolyphosphate(STPP/FCC IV) Chemical name: Sodium tripolyphosphate Chemical formula: Na5P3O10 Min order:2mts

Sodium Tripolyphosphate(STPP/FCC IV)

Properties: White microdot powder with luster, melting point at 622Deg. C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, alkalescent, without causticity. Application: Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process. Specifications: Main contents: 95.0% min P2O5: 57.0% min Fe: 0.01% max Ph of 1% water solution: 9.5-10.0 Chloride, as cl: 0.025% max Heavy metals, as Pb: 0.001% max Pb: 0.0001% max Arsenic, as As: 0.0001% max Fluoride as F: 0.003% max Water insoluble: 0.05% max Packing: 25kgs net paper or plastic woven bags Storage and transport: It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore, it should be stored separately from poisonous substances.

Sodium Tripolyphosphate (STPP)