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Details for China Sodium tripolyphosphate

Sodium tripolyphosphate 7758-29-4

Category :

Catalyst and Auxiliary

 Sodium tripolyphosphate
CAS NO :
EC NO : 231-838-7
MF : Na5P3O10
MW : 367.86413
Specification : 94%
Packing : 25kg,50kg ,1000kg bag
Product description : Sodium Tripolyphosphate (STPP) 1.Chemical and Physical Properties: Molecular Formula: Na5P3O10 Molecular Weight : 367.86 CAS NO.: 7758-29-4 EINECS NO.: 237-004-9 H.S Code: 2835319000. White microdot powder with luster,density:0.35-0.9g/cm 3 melting point at 622 °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: GB/T9983-2004(technical grade), QB1034-91(food grade) Specifications Industrial Grade Food Grade AssayNa5P3O10 % ≥ 94.0 95.0 P2O5 % ≥ 57.0 57.0 Water Insoluble Matter %≤ 0.1 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 Whiteness %≥ 90.0 90.0 Density: 0.35-0.9g/cm 3 0.55-0.9g/cm 3 4)Packing Details: The goods will be packed in Net weight 25kgs, 50kgs or 1000kgs plastic-woven sack with polythene inner bag; 20MT-24MT will be loaded in 1*20'fcl container. 5)Storage: Store at a cool, dry and well ventilated place.
Uses : auxiliary of synthetic wash, soap synergistic agent,water softeer etc
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 :