food grade sodium tripolyphosphate stpp

stpp 1.food grade 2.White microdot powder with luster 3.Used in food and pharmaceutical industry 4.free sample in 300g

stpp

Chemical Name:  Sodium Tripolyphosphate(quick-dissolve type)

Formula:  Na5P3O10

Properties :  White microdot powder with luster, melting point at 622°C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+ ,Mg2+ ,can soften hard water, change suspension into solution, alkalescent, without  causticity.

Specifications:

Name of index	FCC
Main contents                   ≥%	95.0
P2O5                                             ≥%	57.0
Fe                             ≤%	0.01
PH of 1% water solution	9.5-10.0
Chloride, as Cl                    ≤%	0.025
Heavy metals, as Pb              ≤%	0.001
Pb                                ≤%	0.0001
Arsenic, as As                        ≤%	0.0001
Fluoride as F                         ≤%	0.003
Water insoluble                         ≤%	0.05

Application:  Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis,foodstuff industry, and poultry process.

Packing:  25kgs net paper or plastic woven bags.

Storage and Transport:  It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore,it should be stored separately from poisonous substances.

food grade sodium tripolyphosphate stpp