Sodium Tripolyphosphate -- STPP 94%

Sodium Tripolyphosphate – STPP 94%Molecular Formula: Na5P3O10Molecular Weight: 367.86 EINECS:231-838-7CAS No.: 7758-29-4Appearance: White powder1. Specifications Standard Result

Assay Na5P3O10 % 94.0 min 94.2

P2O5 % 57.0 min 57.5

Water Insoluble Matter % 0.10 max 0.05

Phase 1% 10-30 22

PH Value 9.2-10.0 9.8

Iron (Fe) % 0.05 max 0.04

Whiteness % 86 min 92

2.

Usage: It is used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.

In foodstuff industry it is used as quality improver in the process of canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.3. Package: 25kg/bag, 24MT/20' FCL.