STPP Suppliers, STPP Manufacturers.
Zhengzhou Clean Chemical Co.,LTD.

STPP
Category :
Catalyst and Auxiliary/Water Treatment ChemicalsSynonyms :
pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);CAS NO :
7758-29-4EC NO :
231-838-7Molecular Formula :
Na5P3O10Molecular Weight :
367.86413Main Specifications :
94% food grade and technical gradeInChI :
InChI=1S/H5O10P3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h(H,7,8)(H2,1,2,3)(H2,4,5,6)/p-5Packing :
25kg/pp bag,21MT/20FCLProduct description :
factory offer best price STPP sodium tripolyphosphate
1.Characters:
CAS No: 7758-29-4
EC No:231-838-7
Molecular Formula: Na5P3O10
Molecular Weight: 367.86
Melting Point:622°C
Apearance:White or colorless crystal powder.
Standard executed: GB/T9983-2004(technical grade),
QB1034-91(food grade)
2.Specification:
Indexes
Industrial Grade
Food Grade
Assay Na5P3O10 % ≥
94.0
94.0
P2 O 5 % ≥
57.0
57.0
Water Insoluble Matter % ≤
0.10
0.05
Iron(Fe) % ≤
0.01
0.015
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
Ignition loss
1.0
/
density (g/cm3)
0.35-0.9
0.35-0.9
3.Properties:
White powder or granular;Easily soluble in water;It has got salient chelating
capacity to Ca and Mg ions.and soften hard water to make suspension solution become
into clear solution;it has got weak alkalinity but no corrosiveness.
It is a surfactant,and has got outstanding emulsification to lubricants and fat.
4.Application:
1)Used in 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.;
2)As an oil contamination resistance agent in paper production.
2)In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks,
foodstuffs from milk or soybeans.
4)It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean.
5)It may also serves as a softener or densifier in foodstuff industry.
5.Pakage:25kg/pp bag 21MT/20'FCL
6.Storge:Store at a cool, dry and well ventileated place
ZHENGZHOU CLEAN CHEMICAL CO.LTD.
TEL:86-371-66611979
FAX:86-371-66611971
Uses :
1)Used in detergent, synergist for soap; water softener; tanning agent for leather making,Molecular Structure :
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