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Sodium Tripolyphosphate

Name of commodity :STPP(Sodium Tripolyphosphate)

Formula :Na5P3O10

CAS No.：7758-29-4

H.S CODE :2835319000

Appearance:White Powder

ITEM	TECH GRADE	FOOD GRADE
Na₅P₃O₁₀	96% min	96% min
P₂O₅	57% min	57% min
Water Insoluble	0.03% max	0.03% max
Iron Content (Fe)	0.005% max	0.005% max
pH (1% Solution)	9.2~10.0	9.5~10.0
Heavy metal	--	10ppm
As	--	2ppm
Fluoride as F	--	30ppm
Whiteness Limit	90% min	90%

Uses :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 :in 25kg p.w.bags

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