Phosphorus pentoxide for Dehydration desiccant Cas 1314-56-3 P2O5
| Phosphorus pentoxide Basic information | |
| Product Name: | Phosphorus pentoxide |
| CAS: | 1314-56-3 |
| MF: | O5P2 |
| MW: | 141.94 |
| EINECS: | 215-236-1 |
| Phosphorus pentoxide Chemical Properties | |
| Melting point | 340 °C (lit.) |
| Boiling point | 122 °C (1 mmHg) |
| density | 2.3 g/mL at 25 °C (lit.) |
| vapor density | 4.9 (vs air) |
| vapor pressure | 1 mm Hg ( 384 °C) |
| refractive index | 1.433-1.436 |
| Fp | 340-360°C |
| storage temp. | no restrictions. |
| form | Very Deliquescing Powder |
| color | White |
| Specific Gravity | 2.39 |
| Odor | Pungent odour |
| PH | 1 (5g/l, H2O, 20ºC) |
| PH Range | <2 |
|
/N. SPECIFICATIONS |
Industrial Grade (chemically pure) |
Analyticallpurity |
Specific purity |
|
|
1 |
P2O5 content% |
≥99% |
≥99.5% |
≥99.5% |
|
2 |
Active R value |
1.2 |
1.7 |
2.0 |
|
3 |
Reduzate(as P2O3)% |
≤0.01 |
≤0.008 |
≤0.005 |
|
4 |
Clarity test |
Qualified |
Qualified |
Qualified |
|
5 |
Water insoluble% |
≤0.02 |
≤0.01 |
≤0.01 |
|
6 |
Nitrogen content% |
≤0.01 |
≤0.002 |
≤0.001 |
|
7 |
Heave metals (as Pb)% |
≤0.01 |
≤0.002 |
≤0.001 |
|
8 |
Ferum (as Fe)% |
≤0.01 |
≤0.002 |
≤0.001 |