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| Customization: | Available |
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| CAS No.: | 7723-14-0 |
| Formula: | P4 |
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| Appearance | Form: powder Colour: red |
| pH | 6.5~7.5 |
| Melting point/freezing point |
Melting point/range: 280 °C - lit. |
| Flammability (solid, gas) | The substance or mixture is a flammable solid |
| Vapour pressure | 0.04 hPa at 21 °C |
| Vapour density | no data available |
| Relative density | 2.34 g/ml at 25 °C |
| Index Items | Superior quality | First grade |
| Main content, (as for P)%≥ | 99.0 | 98.5 |
| Phosphous, yellow content, as for P %≤ | 0.005 | 0.005 |
| Free acid content (as for HPO) %≤ | 0.30 | 0.50 |
| Moisture %≤ | 0.2 | 0.25 |
| Mesh size passed 20 % ≥ | 50 | 50 |
| Mesh size passed 80 % ≥ | 100 | 100 |





