| CAS No.: | 7758-29-4 |
|---|---|
| Formula: | Na3o9p3, Na5p3o10 |
| EINECS: | 231-838-7 |
|
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1.Properties
White powder; Melting point 622°C; Easily soluble in water; It has got salient chelating capacity to ions of Ca and Mg etc. and can 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. It has different bulk density, i.e. low density 0.35-0.5g/cm3, medium density 0.51-0.65g/cm3 and high density 0.66-0.9g/cm3. This product has two crystalline forms, namely Type I (high temperature type) and Type II (low temperature type). The chemical properties of the two types are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving .
2.Application
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. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and
soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.
3.Package
Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag
Loading:Pallet: 24MT/20'FCL; Un-palletized:25MT/20'FCL
| Uses | In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on. |
| Packing | In 25kg composite plastic woven/paper bag with PE liner. |
| Storage and transport | It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances. |
4.Specifications
|
NO . |
Item |
Specification |
|
1 |
AssayNa5P3O10 % ≥ |
95.0 |
|
2 |
P2O5 % ≥ |
57.0 |
|
3 |
Water Insoluble Matter %≤ |
0.05 |
|
4 |
Iron(Fe) %≤ |
0.01 |
|
5 |
PH value(1%water solution) |
9.5-10.0 |
|
6 |
Heavy Metal (as Pb) %≤ |
0.001 |
|
7 |
Arsenic (As) %≤ |
0.0003 |
|
8 |
Fluoride (F) %≤ |
0.003 |
|
9 |
Particle Size Power: Fine power: Through 100 mesh sieve %≥ |
95
90 40 90 |
|
10 |
Whiteness %≥ |
90.0 |
|
11 |
PHASAE I CONTENT |
15--40 |
5.Quality Standard:
| Index name | GB 25566-2010 |
| Sodium tripolyhosphate (Na5P3O10)≥% | 85 |
| Water insoluble ≤% | 0.1 |
| As ≤ | 0.0003 |
| Heavy metals (as Pb) ≤% | 0.001 |
| Fluoride (F)≤% | 0.005 |
| Pb ≤% | 0.0004 |
| Total phosphate (as P2O5) ≥% | 56.0~58.0 |
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