Sodium Tripolyphosphate

• 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.

   

• 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:

  

• 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