Sodium Tripolyphosphate
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Chemical formula: Na5P3O10
Molecular weight: 367.86
CAS NO.: 7758-29-4
Ref. Standard: GB/T9983-2004(industrial grade); QB1034-91(food grade)
production capacity:3000 t/a
Properties: White microdot powder with luster, melting point at 622℃, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity. Bulk dencity 0.4~1.0g/cm3
Technical Specifications:
No. | Index | Industrial Grade | Food Grade |
1 | Main content %≥ | 95.0 | 95.0 |
2 | P2O5 %≥ | 57.0 | 57.0 |
3 | Iron, as Fe %≤ | 0.015 | 0.01 |
4 | pH of 1% water solution | 9.2-10.0 | 9.5-10.0 |
5 | Water insoluble %≤ | 0.1 | 0.05 |
6 | Heavy metal, as Pb %≤ | - | 0.001 |
7 | Arsenic, as As %≤ | - | 0.0003 |
8 | Fluoride ,as F %≤ | - | 0.003 |
9 | Chloride, as Cl %≤ | - | 0.025 |
Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, etc
CAS NO:7758-29-4
EC NO:231-838-7
Molecular Formula:Na5P3O10
Molecular Weight:367.86413
Synonyms:;pentasodium triphosphate;Pentasodium Tripolyphosphate;Sodium Phosphate Tripoly;STPP;Triphosphoric acid, pentasodium salt;Pent-sodium Phosphate;Sodium triphosphate;Sodium Tripolyphos;sodium phosphate (3:1);
Molecular Structure:
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