Chemical Name: Sodium Tripolyphosphate Formula: Na5P3O10 Properties : White microdot powder with luster, melting point at 622, easily soluble in water, withre markable chelating ability to some metal ions such as Ca2+ ,Mg2+ ,can soften hard water, changesuspension into solution, alkalescent, without causticity. Specifications: Name of index Food grade Main contents ≥% 95.0 P 2 O 5 ≥% 57.0 Fe ≤% 0.01 PH of 1% water solution 9.5-10.0 Chloride, as Cl ≤% 0.025 Heavy metals, ≤% 0.001 Pb ≤% 0.0001 Arsenic, as As ≤% 0.0001 Fluoride asF ≤% 0.003 Water insoluble ≤% 0.05 Name of index Tech, Main contents ≥% 94.0 P 2 O 5 ≥% 57.0 Iron ≤% 0.015 PH of 1% water solution 9.2-10.0 Water insoluble matter ≤% 0.1 Phase1 ≥% 35 Density 0.5-0.55G/ML Whiteness ≥% 90 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. Packing: 25kgs net paper or plastic woven bags. Storage and Transport: It should be stored in a ventilative and dry warehouse instead of in theopenair,kept away from water, moisture and sunlight during transport, handled with care, so as toavoid damage toplastic bags. Furthermore, it should be stored separately from poisonous substances. If you have any interest in our product,please do not hesitate to contact us.We'll show you great sincerity with high quality and competitive price. Toour future mutual benefit,cheers!