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- Details for China SODIUM TRIPOLYPHOSPHATE(STPP)
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SODIUM TRIPOLYPHOSPHATE(STPP) 7758-29-4
Category : Inorganic chemicals/Inorganic salts
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 :
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