STPP Sodium tripolyphosphate 94% Molecular Formular: Na5P3O10 CAS No.: 13573-18-7 Appearance: White powder or granular; STPP sodium tripolyphosphateSpecifications

1,Manufacturer of Sodium Tripolyphosphate (STPP) 2,Free sample 3,High quality and competitive price 4,Quickly delivery

Product DescriptionProduct: Sodium Tripolyphosphate (STPP)

CAS No.: 7758-29-4 Molecular Formula: Na5P3O10 Molecular weight: 367.86 1, Properties: White microdot powder with luster, melting point at 622 o C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity. 2, Usage: 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. 3, Specifications: 

ITEM	INDEX
	TECH. GRADE
Na5P3O10 (%):	94Min
P2O5 (%):	57 Min
water Insoluble (%):	0.10Max
Ph (1% solution):	9.2-10
Whiteness(%):	90Min
Bulk Density (g/ cm3)	0.7-0.8
Finess ; Passing through 1mm Mesh	95 Min
Arsenic (As) (%):	N
Heavy Metal (As Pb) (%):	N
Fluoride(F) (%):	N

4, Packing: Plastic-woven sack with polythene inner bag; Net weight 25kg, 50kg or 1000kg; Keep away from water or moisture, do not pile up in the open air.

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