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Details for China SODIUM TRIPOLYPHOSPHATE(STPP)

SODIUM TRIPOLYPHOSPHATE(STPP) 7758-29-4

Category :

Inorganic chemicals/Inorganic salts

SODIUM TRIPOLYPHOSPHATE(STPP)
CAS NO : 7758-29-4
EC NO : 231-838-7
MF : Na5P3O10
MW : 367.86413
Specification : Main contents(as Na2HPO4) min94-95%, Phosphorus pentoxide(as P2O5)min56.5-57%
Packing : In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Product description :

Molecular formula: Na5P3O10

Molecular weight: 367.86

Standard Executed: GB/T9983-2004(INDUSTRIAL GRADE)GB25566-2010(FOOD GRADE)

Capacity: 20000t/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, alkalescent, without Corrosiveness.

Guaranteed Technical Specifications:

No. Specifications Industrial Grade Food Grade
1 Main contents(as Na5P3O10)      min% 94.00 95.00
2 Phosphorus pentoside(as P2O5)  min% 56.5 57.0
3 Iron(as Fe)                          max% 0.015 0.015
4 PH 9.2-10.0 9.4-10.0
6 Heavy metals(as Pb)        max%   0.001
7 Arsenic(as As)                 max%    0.0003
8 Fluoride(as F)                   max%   0.003
9 Water insoluble               max% 0.15 0.10
Uses : Used as main auxiliary of synthetic wash, soap synergistic agent, ceramic Industry, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud.
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 Structure : SODIUM TRIPOLYPHOSPHATE(STPP) 7758-29-4