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Sodium tripolyphosphate

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  Post Date: Nov 23,2018
  Expiry Date: May 22,2019
  Detailed Description: Cas No. :7758-29-4 Specs:99%min.
Sodium tripolyphosphate
STPP
CAS No: 7758-29-4
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:

1. Industrial grade
Main content, %; 94.0
P2O5%≥ 57.0
Water insoluble %; 0.1
Iron, as Fe %; 0.015
pH of 1% water solution 9.2-10.0

2. Food grade
Main content, %: 94.0
P2O5%; 57.0
Water insoluble %; 0.05 M
Iron, as Fe %; 0.01
pH of 1% water solution 9.5-10.0
Heavy metal, as Pb %; 0.001
Arsenic, as As, %; 0.0003
Fluoride, as F, %; 0.003
Chloride, as Cl %; 0.025

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.

5, Delivery: Within one weeek after payment received

  CAS Registry Number:

7758-29-4

  Synonyms: ;pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);
  Molecular Formula: Na5P3O10
  Molecular Weight: 367.86413
  Molecular Structure: 7758-29-4 Sodium Tripolyphosphate
  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S24/25:;

  Company: Hefei TNJ Chemical Industry Co.,Ltd.     [ China ]        
  Contact: Sophia
  Tel: 0551-66191795
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