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Sodium Tripolyphosphate

Inquiry
  Post Date: Nov 10,2022
  Expiry Date: May 09,2023
  Detailed Description: Cas No. :7758-29-4
STPP
Product Description
Product: 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:

  Name of index

 QB1034-1991

FCC-IV

GB/T9983-2004

Sodium Tripolyphosphate ≥%

95

85

95

P2O5                             ≥%

57

-

57

Fluoride (as F)          ≤%

0.003

0.005

-

Arsenic (As)            ≤%

0.0003

0.0003

-

Heavy Metal (as Pb)     ≤%

      0.001

0.001

-

Chloride (as Cl)         ≤%

0.025

-

-

Sulfate (as SO42-)        ≤%

0.4

-

-

Water Insoluble          ≤%

0.05

0.1

0.05

pH (1% aqueous solution)    

9.5 -10.0

-

9.5-10.0

Whiteness              ≥%

85

-

80

Pb                     ≤%

-

0.0002

-

 

Packaging & Delivery
Packaging Detail:Packing: PE bags as line-r, woven bag as the outer layer. the net weight is 25 kgs or the packing accordingly.
Delivery Detail:Within 10 days after the receipt of payment or sight L/C.

 STPP packing .JPG

  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: Shandong Ocean Chemical(Group) Co.,Ltd     [ China ]        
  Contact: Bill Ju
  Tel: 86-536-2081155
  Fax: 86-536-2081175
  Email: sdwfoceanchem@sdoceanchem.com
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