Shifang Tianrui Chemical Co.,Ltd.

Sodium Tripolyphosphate

• Category :

  Inorganic chemicals

• Synonyms :

  pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);

• CAS NO :

  7758-29-4

• EC NO :

  231-838-7

• Molecular Formula :

  Na₅P₃O₁₀

• Molecular Weight :

  367.86413

• Main Specifications :

  white powder, main content: 95.0%min

• InChI :

  InChI=1S/H5O10P3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h(H,7,8)(H2,1,2,3)(H2,4,5,6)/p-5

• Packing :

  packed in plastic woven bag with PE lining, 25kgs/bag

• Product description :

  Chemical formula: Na₅P₃O₁₀
  Molecular weight: 367.86
  CAS NO.: 7758-29-4
  Ref. Standard: GB/T9983-2004(industrial grade); QB1034-91(food grade)
  production capacity:3000 t/a
  Properties: White microdot powder with luster, melting point at 622℃, 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. Bulk dencity 0.4~1.0g/cm3
  Technical Specifications:

  No.	Index	Industrial Grade	Food Grade
  1	Main content %≥	95.0	95.0
  2	P2O5  %≥	57.0	57.0
  3	Iron, as Fe  %≤	0.015	0.01
  4	pH of 1% water solution	9.2-10.0	9.5-10.0
  5	Water insoluble %≤	0.1	0.05
  6	Heavy metal, as Pb %≤	-	0.001
  7	Arsenic, as As  %≤	-	0.0003
  8	Fluoride ,as F %≤	-	0.003
  9	Chloride, as Cl  %≤	-	0.025

  Applications: 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.
  

• Uses :

  Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, etc

• Molecular Structure :