Sodium Tripolyphosphate

Sodium Tripolyphosphate (STPP)
CAS No: 7758-29-4
Molecular Formula: Na5P3O10
Molecular Weight: 367.86
Melting Point:622??
Apearance:White or colorless crystal powder.
1. Sodium Tripolyphosphate(Industrial Grade)

 

Na5P3O10

94.0%Min

P2O5

:57.0%Min

Water Insoluble Matter

0.15%Max

Iron (Fe)

0.012%Max

PH Value (1% water solution)

9.1-10.0

Whiteness

90%Min

Ignition Loss

1.0

Density (g/cm3)

0.35-0.9

Phase I

10-30

2.Sodium Tripolyphosphate(Food Grade)

 

Na5P3O10

94.0%Min

P2O5

57.0%Min

Water Insoluble Matter

0.04%Max

Iron (Fe)

0.006%Max

PH Value (1% water solution)

9.5-10.0

Heavy Metal(as Pb)

0.001%Max

Arsenic(As)

0.0003%Max

Fluoride(F)

0.003%Max

Whiteness

95%Min

Density (g/cm3)

0.35-0.9

Phase I

10-30

3. Sodium Tripolyphosphate(Ceramics Grade)

 

Na5P3O10

96.52%Min

P2O5

57.85%Min

Water Insoluble

0.10%Max

Fe

0.007%Max

PH

9.7

Usage:
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.

Shanxi Yishunda Chemicals Co., Ltd was specializes in manufacturing supplying and exporting the basis chemical raw materials.Our company mainly exports Zinc oxide, Iron oxide red, Potassium chloride, Titanium Dioxide, Caustic Soda, STTP, Carbon black, etc, which are used in the Paint&Coating industry, Rubber industry, Water-treatment industry, Our company has set up a good enterprise image by correct market positioning and advanced management concepts and won the recognition of numerous