Phosphorus pentoxide
SIAL/431419 - ≥99.99% trace metals basis
Synonym: Phosphoric anhydride; Phosphorus(V) oxide
CAS Number: 1314-56-3
Empirical Formula (Hill Notation): O5P2
Molecular Weight: 141.94
EC Number: 215-236-1
MDL Number: MFCD00148880
Linear Formula: P2O5
Product Type: Chemical
| assay | ≥99.99% trace metals basis |
| cation traces | heavy metals: ≤0.01% |
| NH4+: ≤0.01% | |
| density | 2.3 g/mL at 25 °C (lit.) |
| form | powder |
| impurities | ≤0.02% insolubles |
| <100 ppm total metallic impurities | |
| InChI | 1S/O10P4/c1-11-5-12(2)8-1 |
| InChI key | YWEUIGNSBFLMFL-UHFFFAOYSA |
| mp | 340 °C (lit.) |
| Quality Level | 100 ![]() |
| SMILES string | O=P12OP3(=O)OP(=O)(O1)OP( |
| vapor density | 4.9 (vs air) |
| vapor pressure | 1 mmHg ( 384 °C) |
| 10 mmHg ( 238 °C) |
| Application: | Phosphorus pentoxide may be used in the synthesis of the following: • Hydroxyapatite (HA) sub-micron fibers. • Fluorescent carbon nanoparticles (FCNPs). • Bistetramethylammonium (TMA) hydrogencyclotriphosphate and rubidium cyclotetraphosphate using dimethyl sulfoxide as a solvent at low temperature condition. • Ethylene glycol methacrylate phosphate (EGMP), a UV-reactive phosphonic acid. |
| Features and Benefits: | Meets A.C.S. reagent specifications. |
| General description: | Phosphorus pentoxide (P2O5) is a commonly used drying agent. It is a component of Eatons reagent, which is commonly used as a catalyst for dehydration reactions. |
| Packaging: | 50, 250 g in poly bottle |
| Symbol | GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P280 - P303 + P361 + P353 - P305 + P351 + P338 + P310 |
| Hazard Codes | C |
| Risk Statements | 35 |
| Safety Statements | 22-26-45 |
| RIDADR | UN 1807 8 / PGII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Supplemental Hazard Statements | EUH014 |
| Purity | ≥99.99% trace metals basis |
| mp | 340 °C (lit.) |
| Density | 2.3 g/mL at 25 °C (lit.) |
| UNSPSC | 12352300 |


