Henan Sinocean Chemical Co. Ltd.

STPP

• 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 :

• 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

• Product description :

  Chemical formula:  Na₅P₃O₁₀ 
  Molecular weight: 367.86
  Quality : White powder, surface density 0.35-0.9g/cm3,melting point 622 . Dissolve in water easily, the aqueous solution is alkalinity. A kind of inorgantic chemical surface-active agent, with two kinds of forms:Na₅P₃O₁₀-i and Na₅P₃O₁₀(B). Two forms have the same chemical property.
  Guaranteed Technical Specifications (GB9983-88) :

  Indexes	Industrial Grade	Food Grade
  Assay Na5P3O10 % ≥	94.0	94.0
  P2O5 % ≥	57.0	57.0
  Water Insoluble Matter %≤	0.15	0.05
  Iron(Fe) %≤	0.01	0.01
  PH value (1% water solution)	9.2-10.0	9.5-10.0
  Heavy Metal (as Pb) %≤		0.001
  Arsenic (As) %≤		0.0003
  Fluoride (F) %≤		0.003
  Particle Size Through 16 mesh sieve %≥ Through 35 mesh sieve %≥ Trough 100 mesh sieve %≥	95 90 40	95 90 40
  Whiteness %≥	90	90

  Usage : As chemical additives for making synthetic detergents; synergist for soaps; soft-water agent for industrial water; textile dyeing auxiliaries; and prevent greasy dirt in papermaking industry.
  Packing and storage:
  In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags. It must be prevented from Dampness and water. Don't store it in the open air.

• Molecular Structure :