Sodium Tripolyphosphate

Sodium Tripolyphosphate

Product Description

Sodium Tripolyphosphate(STPP)
Chemical formula: Na5P3O10
Molecular weight: 367.86
Standard executed: GB9983-88

Properties: White microdot powder with luster, melting point at 622 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, slightly alkaline, without causticity.

Technical Specifications:
Iterms Technical Grade Food Grade
Main content %≥ 95.0 95.0
P2O5 %≥ 57.0 57.0
Iron, as Fe %≤ 0.015 0.01
pH of 1% water solution 9.2-10.0 9.5-10.0
Water insoluble %≤ 0.1 0.05
Heavy metal, as Pb %≤ - 0.001
Arsenic, as As %≤ - 0.0003
Fluoride, as F %≤ - 0.003
Chloride, as Cl %≤ - 0.025

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.

Packaging: 25kg/50kg/1000kg in plastic woven bag with PP lining. Stored in ventilated and dry place.

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Last Login Date: Oct 11, 2009

Business Type: Trading Company

Main Products: Export, Phosphate Raw Materials, L-Alanine Dl-Alanine