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Stpp Sodium Tripolyphosphate - China

price: contact company for price

CAS No.: 7758-29-4 H.S. Code: 28353100 Properties:

1. Appearance: white microdot powder with luster;

2. Melting point: 622 degree centigrade;

3. Solubility: easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+;

4. pH: slightly alkaline;

5. Without causticity.

Technical Specifications:

1.Industrial grade:

(1)Appearance: White powder

(2)Main content: 94.0% min.

(3)P2O5: 57.0% min.

(4)pH of 1% water solution: 9.2-10.0

(5)Iron, as Fe: 0.015% max.

(6)Water insoluble: 0.1% max.

(7)Bulk density: 0.8-1.1 g/cm3

2.Food grade:

(1)Appearance: White powder

(2)Main content: 94.0% min.

(3)P2O5: 57.0% min.

(4)pH of 1% water solution: 9.5-10.0

(5)Iron, as Fe: 0.01% max.

(6)Water insoluble: 0.05% max.

(7)Arsenic, as As: 0.0003% max.

(8)Fluoride, as F: 0.003% max.

(9)Heavy metal, as Pb: 0.001% max.

(10)Chloride, as Cl: 0.025% max.

(11)Bulk density: 0.7-1.0 g/cm3


1. Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, as dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, and as preservative agent for paper making, organic synthesis catalyzer;

2. Used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry;

3. Also widely used in gum synthesis, foodstuff industry, and poultry process.

Packaging: Plastic-woven sack with polythene inner bag; Net weight: 25kg .or follow your requirement.keep away from water or moisture, do not pile up in the open air.

Stpp Sodium Tripolyphosphate

For any questions and needs please contact us below

Company Contact:

  • Phone: 08388260011

  • Address: No.4,Yinxing Community,Shifang City,Sichuan,China, shifang.sichuan, China

  • Email: Email

Published date: September 6, 2012 -

  • Business Description: main products: Sodium Hexametaphosphate(SHMP), Sodium Tripolyphosphate(STPP), Monoammonium Phosphate(MAP), Diammonium Phosphate(DAP), Monopotassium Phosphate(MKP), Dipotassium Phosphate(DKP), Monosodium Phosphate(MSP), Disodium Phosphate(DSP), Trisodium Phosphate(TSP), Phosphoric Acid 85%, Red Phosphorus, Urea Phosphate, Sodium Pyrophosphate(SPP), Ammonium Polyphosphate(APP), Water soluble Ammonium Polyphosphate(Water soluble APP), Tricalcium Phosphate (TCP), etc.

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