Sodium Tripolyphosphate (STPP)





Sodium Tripolyphosphate 94% Min

【Product Description】
Synonyms: STPP
CAS No: 7758-29-4
MF: Na5P3O10
Molecular Weight: 367.86
HS Code:28353190
Appearance: White powder
 
【Specification】
 
  Industrial grade Food grade
Main contents (Na5P3O10 )%≥ 94.0 94.00
Phosphorus pentoxide(P2O5)   %≥ 56.5 57.0
Water insoluble  %≤ 0.15 0.10
Fe    %≤ 0.015 0.015
PH value of 1% solution 9.2-10.0 9.4-10.0
Heavy metals, as Pb %≤ / 0.001
Arsenic,as As  %≤ / 0.0003
Fluoride, as F %≤ / 0.003
Whiteness %≥ 85 85
 
【Application】
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.

【Packing】
Net weight 25kg, 50kg or 1000kg
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