79610

Phosphorus pentoxide

desiccant, with moisture indicator

• Synonym(s): Sicapent^®, Phosphoric anhydride, Phosphorus(V) oxide
• Linear Formula: P₂O₅
• CAS Number: 1314-56-3
• Molecular Weight: 141.94
• EC Number: 215-236-1
• UNSPSC Code: 12352303
• PubChem Substance ID: 24887482

Properties

• vapor density: 4.9 (vs air)
• Quality Level: 100
• vapor pressure: 1 mmHg ( 384 °C); 10 mmHg ( 238 °C)
• form: powder, crystals or granules
• quality: with moisture indicator
• pH: 1.5 (20 °C, 10 g/L)
• mp: 340 °C (lit.)
• density: 2.3 g/mL at 25 °C (lit.)
• SMILES string: O=P12OP3(=O)OP(=O)(O1)OP(=O)(O2)O3
• InChI: 1S/O10P4/c1-11-5-12(2)8-13(3,6-11)10-14(4,7-11)9-12
• InChI key: YWEUIGNSBFLMFL-UHFFFAOYSA-N

Description

General description

Phosphorus pentoxide (P₂O₅) is a phosphorous oxide. It participates in Pictet-Gams synthesis. Phosphorus pentoxide supported on alumina has been used for solvent-free and microwave-assisted synthesis of 1, 5-benzodiazepine derivatives.

Application

Phosphorus pentoxide may be used in the synthesis of dichlorine heptoxide (Cl₂O₇).

Legal Information

Sicapent is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1A
• Supplementary Hazards: EUH014
• Storage Class Code: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves