STPP 94% 1.Best price and high quality 2.Timely shippment and reliable factory 3.SGS inspection 4.Usage:ceremic,detergent

STPP

olecular formula------Na5P3O10

Molar mass------367.864 g/mol

Appearance------white powder

Density------2.52 g/cm3

Melting point------622 ºC

Solubility in water------14.5 g/100 ml (25 ºC)

 

Sodium tripolyphosphate (STPP, sometimes STP or sodium triphosphate or TPP), with formula Na5P3O10, is a polyphosphate of sodium. It is the sodium salt of triphosphoric acid.It is used in various applications such as a preservative for seafood, meats, poultry and pet foods. It is also used in toothpaste and as a builder in soaps and detergents, improving their cleansing ability.

 

Specifications:

 

STPP 96%Min	Industry Grade	Food Grade
Purity (Na5P3O10)% ≥	94	94
P2O5   %≥	57.00	57
Iron (Fe) %≤	0.01	-----
PH of 1% water solution	9.2-10.0	9.5-10
Water insoluble Matter %≤	0.15	0.05
Whiteness	90	85
Sulfate%	0.4% MAX
Type I %	5-40	10-60
Density(g/cm3 )	0.62-0.9	0.65-0.85

 

Pacakge : 25 kgs net kraft paper bag or plastic woven bag, 20 tons in a 20’FCL 

Usage:it can be used in food additives. In Industry, it is the main additive in synthetic

detergents, soap synergistic agent,industrial water softener, leather pretanning agents,

dyeing auxiliaries, oil sludge control agents. Is also a catalyst in organic synthesis as well

as for refined petroleum products, pharmaceuticals and synthetic rubber and so on.