Manufacturer SodiumTripolyphosphate 94% (STPP)

Product: Sodium Tripolyphosphate (STPP)

Molecular Formular: Na5P3O10 

CAS No.: 13573-18-7

Appearance: White powder or granular; Easily soluble in water.

 

Specifications

No.	Standard name	Industrial grade	Food grade
1	Main content (as Na5P3O10) %≥	94.0	94.0
2	Phosphorus pentoxide %≥	57.0	57.0
3	Water insoluble %≤	0.15	0.05
4	Fe %≤	0.01	0.01
5	PH value of 1% solution	9.2-10.0	9.5-10.0
6	Heavy metal (as Pb) %≤		0.001
7	Arsenic (as As) %≤		0.0003
8	Fluoride (as F) %≤		0.003
9	Granularity General powder 16sieving%≥  35sieving%≥  100sieving%≥  Furfurescence 100sieving%≥	95.0 90.0 40.0 90.0	95.0 90.0 40.0 90.0
10	Degree of whiteness %≥	90.0	90.0

 

Application

1).Used as one of the main auxiliaries for synthetic detergent, synergist for soap;

2).Water softener,tanning agent for leather making,auxiliary for dyeing;

3).As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium

carbonate and drilling mud etc.;  

4).As an oil contamination resistance agent in paper production;

5).Also can be used in ceramic, tiles industry.

 

Storage

Store at a cool,dry and well ventilated place.The package must be moistureproof and well sealed.Handle with care.During transportation,please avoid rains and strong case of fire,please use water,sandy soil or all kinds of fire extinguishers to quench it.