Sodium Tripolyphosphate
name：Sodium Tripolyphosphate
Formula：Na5P3010
M.W：367.86(international atomic weight in 1985)
CAS NO.：7758-29-4
Characters：white granular or powder, performance 0.35 0.90 g/cm3 density, melting point 622 ℃.Soluble in water, aqueous solution alkalinity, 1% aqueous solution PH of 9.7.Hydrolyzed into phosphates in water, the ability to complexate metal ions.Can be combined with calcium, magnesium, iron and other metal ions to produce soluble complex.Can soften hard water.As an inorganic surfactant, it has the properties of a certain organic surfactant.
Usage：mainly used in synthetic detergents as additives, soap synergists and prevent soap grease from separating out and frosting.It has a strong emulsifying effect on fat, which can be used to adjust the buffer soap.PH value, the industrial water softener, paint, leather pre Rou agent, dyeing auxiliaries, kaolin, magnesium oxide, calcium carbonate and other industrial preparation time of slurry dispersant, drilling mud dispersant, paper industry used as oil remover.
Specification：
Name of index | Index | ||
superior product | top quality goods | qualified product | |
Sodium tripolyphosphate (Na5P3O10) %≥ | 96 | 96 | 90 |
Phosphorus pentoxide (P2O5) %≥ | 57.0 | 56.5 | 55.0 |
Water insoluble content %≤ | 0.10 | 0.10 | 0.15 |
Iron (in terms of Fe) %≤ | 0.007 | 0.015 | 0.30 |
PH value (1% solution) % | 9.2-10.0 | ||
whiteness %≥ | 92 | 90 | 80 |
Particle size 1.00mm test sieve residue %≤ | 5.0 | ||