Sodium Tripolyphosphatei Stppi

Molecular Formula: Na5P3O10
CAS number: 7758-29-4
Specifications of Sodium Tripolyphosphatei STPPi :

No.IndexIndustrial Grade
01Assay Na5P3O10 % a Y 94.0-96.0
02P2 O 5 % a Y 57.0
03Water Insoluble Matter % a 0.15
04Iron(Fe) % a 0.015
05PH value (1% water solution) 9.2-10.0
06Whiteness % a Y 90
07Ignition loss 1.0
08Density (g/cm3) 0.35-0.9
09Phase I 10-30
10Particle Size(1.00mm) % a Y95


Properties: White powder or fine powder;
Melting point 622 A C; easily soluble in water; aqueous solution appears acid. It is a kind of inorganic surface active agent.
It has different bulk density, i.e. low density 0.35-0.5g/cm 3, medium density 0.51-0.65g/cm3 and high density 0.66-0.9g/cm; This product has two crystalline forms, namely phase I (high temperature phase) and phase II (low temperature phase)

Applications:
1)Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing;
2)As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.;
3)As an oil contamination resistance agent in paper production
4)In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans.

Packing: 25kgs, 50kgs P.P/bag, or 1000kgs in container bag, 24MT/20'FCL