| Ammonium Polyphosphate(APP) |
| Chemical name: | Ammonium Polyphosphate |
| Formula: | (NH4)n+2PnO3+1 | |
| CAS Number: | 68333-79-9 |
| MW: | |
| General&Use |
| Plastic and rubber |
| Coatings,paper and timber |
| General Properties |
| Appearance:White powder | | | Density 25 ℃ kg/L:1.9 |
| bulk density 25 ℃ kg/L:0.7 | Viscosity(25℃,10% suspension) mpa.s:≤100 |
| Physical and Chemical Properties |
Item
Model | I |
| Phosphorus content % (w/w) | 31-32 |
| Phosphorus Pentoxide % (w/w) | >71% |
Nitrogen content %
(w/w) | 14.0-15.0 |
| PH (10% suspension) | 5.5-7.0 |
| Decomposed temp.on heat ℃ ≥ | 275 |
Mean polymerization N
> | 1000 |
| PH value | 4.5-6.5 |
Mean particle diameter µ m
≤ | 10.0 |
| Thermogravimetric Analysis(10℃/min N2) |
Weight Loss,%
1
5
10 |
Temperature, ℃
305
350
380 |
| Solubility(g/100g solvent@20℃) |
| Water(g/100cm3):<0.5 |
