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
Linear Formula: P2O5
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 431419-50G
This image depicts SKU: 431419-50G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.
This image depicts SKU: 431419-250G
This image depicts SKU: 431419-250G
| 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 |