Customization: | Available |
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CAS No.: | 7758-29-4 |
Formula: | Na5p3o10 |
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Introduction (Sodium Tripolyphosphate CAS No.:7758-29-4)
Sodium Tripolyphosphate has two crystalline forms, namely phase I (high temperature phase) and phase II (low temperature phase). The chemical properties of the two phases are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving .
1. Name: Sodium tripolyphosphate
2. Molecular formula: Na5P3O10
3.CAS No.:7758-29-4
4. Molecular weight:367.86
5. Solubility:free soluble in water,aqueous solution appears acid.
6. Appearance: White powder
Item | Index |
Sodium Tripolyphosphate (Na5P3O10),w/% ≥ | 85.0 |
Total phosphate (P2O5),w/% | 56.0~58.0 |
Water insoluble matter,w/% ≤ | 0.1 |
Fluoride (Calculated by F)/ (mg/kg) ≤ | 50 |
Arsenic (As)/ (mg/kg) ≤ | 3 |
Heavy metal (Calculated by Pb)/ (mg/kg) ≤ | 10 |
Lead (Pb)/ (mg/kg) ≤ | 4 |
1.Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing;
2. As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.;
3. As an oil contamination resistance agent in paper production.
4.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.
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