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Sodium tripolyphosphate
White powder, melting point 622℃, easily soluble in water, has a significant integrating capacity for calcium, magnesium and other metal ions, can soften hard water, turn suspension into solution, has weak alkalinity, is non-corrosive, is an inorganic surfactant, and has a strong emulsifying effect on lubricating oil and fat.
Category:
Chemical formula: Na₅P₃O₁₀
Molecular weight: 367.86
Execution standard: GB/T9983-2004 (industrial grade); QB25566-2010 (food grade)
Production capacity: 50,000 tons/year
Properties：White powder, melting point622℃，easily soluble in water, has a significant integrating capacity for metal ions such as calcium and magnesium, can soften hard water, turn suspension into solution, has weak alkalinity, no corrosiveness, is an inorganic surfactant, has a strong emulsifying effect on lubricating oil and fat, bulk density is usually divided into low density0.35-0.6g/cm³，medium density 0.6-0.8g/cm³，high density 0.8-1.0g/cm³ :There areItype(high temperature type)andIItype(low temperature type)two crystalline forms, both have the same chemical properties, the difference lies in thermal stability and hygroscopicityItype is higher thanIItype, and the solubility and hydration heat of both are different.
| Serial number |
Index name |
Industrial grade |
Food grade |
| 1 |
Main content(in Na₅P₃O₁₀unit)% ≥ |
94.0 |
94.0 |
| 2 |
Phosphorus pentoxide'%≥' |
57.0 |
57.0 |
| 3 |
Water insoluble matter'% ≤' |
0.10 |
0.05 |
| 4 |
Iron (Fe)% ≤ |
0.015 |
0.015 |
| 5 |
PH value (1% aqueous solution) |
9.2-10.0 |
9.5-10.0 |
| 6 |
Heavy metals (inPb unit)%≤ |
|
0.01 |
| 7 |
Arsenic (inAs unit)%≤ |
|
0.003 |
| 8 |
Fluoride (inF unit)%≤ |
|
0.003 |
| 9 |
Whiteness'%≥' |
90 |
90 |
| 10 |
Ignition loss'%three' |
1.0 |
1.0 |
| 11 |
Specific gravity (g/cm³) |
0.35-1.0 |
0.35-1.0 |
| 12 |
Type I content |
5-40 |
5-40 |
Applications: Used as a main auxiliary agent for synthetic detergents, soap enhancer, leather pre-tanning agent，industrial water softener paint high-age soil ，magnesium oxide, calcium carbonate drilling mud and other suspension treatment effective dispersant；Papermaking is used as an anti-fouling agent；In the food industry, it is used as a quality improver for canned food, fruit juice drinks, dairy products, soy milk, etc., mainly for ham tenderization, softening of bean skins in canned broad beans, and can also be used as a softening agent and thickener.
Packaging and storage:Inner plastic outer woven, net weight per bag25、50、1000kg；Moisture-proof, waterproof, can not be stacked in the open air.
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Key words:
Qingli Tianmeng Chemical, yellow phosphorus, formic acid, sodium formate, perphosphoric acid, sodium tripolyphosphate, sodium hexametaphosphate
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