Product Name: Sodium Tripolyphosphate

Synonyms: Sodium Phosphate(na5p3o10); Polygon; STPP

Molecular Formula: Na5P3O10

Molecular Weight: 367.86

CAS: 7758-29-4

EINECS: 231-838-7

Chemical Properties:

1.White powder or granular; Easily soluble in water;

2.STPP has got salient chelating capacity to Ca and Mg ions. and can soften hard water to make

suspension solution become into clear solution;

3.Sodium Tripolyphosphate has got weak alkalinity but no corrosiveness.

4.Polygon is a surfactant, and has got outstanding emulsification to lubricants and fat.

 

Application:

 

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 food, fruit juice drinks,

foodstuffs from milk or soybeans.

It may tender the meat in 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.

Technical Specifications:

Indexes	Industrial Grade	Food Grade
Assay Na5P3O10 % ≥	94.0	95.0
P2O5 % ≥	57.0	57.0
Water Insoluble Matter %≤	0.15	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
Particle Size Through 16 mesh sieve %≥ Through 35 mesh sieve %≥ Trough 100 mesh sieve %≥	95 90 40	95 90 40
Whiteness %≥	90	90

Safety Condition: 

Risk Statements:	R36/37/38
Safety Statements:	S24/25
Storage	Keep away from water or moisture, do not pile up in the open air.

  

Specification: Industrial grade: conformity to GB9983-2004; Food grade: conformity to qb1034-91