A6740912
Phosphorus pentoxide , 99.997%metalsbasis , 1314-56-3
Synonym(s):
di-Phosphorus pentoxide;Phosphoric anhydride;Phosphorus pentoxide, 7.7 wt. % in methanesulfonic acid;Phosphorus(V) oxide;Sicapent
CAS NO.：1314-56-3
Empirical Formula: O5P2
Molecular Weight: 141.94
MDL number: MFCD00011440
EINECS: 215-236-1
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 340 °C (lit.) |
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| Boiling point: | 122 °C (1 mmHg) |
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| Density | 2.3 g/mL at 25 °C (lit.) |
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| vapor density | 4.9 (vs air) |
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| vapor pressure | 1 mm Hg ( 384 °C) |
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| refractive index | 1.433-1.436 |
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| Flash point: | 340-360°C |
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| storage temp. | no restrictions. |
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| solubility | Soluble in sulfuric acid. Insoluble in acetone and ammonia. |
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| form | Very Deliquescing Powder |
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| Specific Gravity | 2.39 |
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| color | White |
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| Odor | Pungent odour |
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| PH Range | <2 |
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| PH | 1 (5g/l, H2O, 20℃) |
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| Water Solubility | Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water. |
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| Sensitive | Moisture Sensitive |
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| Merck | 14,7355 |
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| Sublimation | 340-360 ºC |
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| crystal system | Three sides |
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| Space group | R3c |
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| Lattice constant |
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| Stability: | Stability Stable, but reacts violently with water, alcohols, metals, sodium, potassium, ammonia, oxidizing agents, HF, peroxides, magnesium, strong bases. |
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| InChIKey | YWEUIGNSBFLMFL-UHFFFAOYSA-N |
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| CAS DataBase Reference | 1314-56-3(CAS DataBase Reference) |
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| NIST Chemistry Reference | Diphosphorus pentoxide(1314-56-3) |
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| EPA Substance Registry System | Phosphorus pentoxide (1314-56-3) |
Description and Uses
It is used as a dehydrating agent, in organic synthesis, and in hydrocarbon analysis.
Safety
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363 |
| Hazard Codes | C |
| Risk Statements | 35 |
| Safety Statements | 22-26-45 |
| RIDADR | UN 1807 8/PG 2 |
| WGK Germany | 1 |
| RTECS | TH3945000 |
| F | 3-10 |
| TSCA | Yes |
| HS Code | 2809 10 00 |
| HazardClass | 8 |
| PackingGroup | II |
| Hazardous Substances Data | 1314-56-3(Hazardous Substances Data) |
