Phosphorus pentoxide , ≥98% , 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

PRODUCT Properties

• Melting point: 340 °C (lit.)
• Boiling point: 122 °C (1 mmHg)
• Density: 2.3 g/mL at 25 °C (lit.)
• vapor density: 4.9 (vs air)
• vapor pressure: 1 mm Hg ( 384 °C)
• refractive index: 1.433-1.436
• Flash point: 340-360°C
• storage temp.: no restrictions.
• solubility: Soluble in sulfuric acid. Insoluble in acetone and ammonia.
• form: Very Deliquescing Powder
• Specific Gravity: 2.39
• color: White
• PH: 1 (5g/l, H2O, 20℃)
• Odor: Pungent odour
• PH Range: <2
• Water Solubility: Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.
• Sensitive: Moisture Sensitive
• Merck: 14,7355
• Sublimation: 340-360 ºC
• crystal system: Three sides
• Space group: R3c
• Lattice constant:
  • a/nm: 1.03035
  • b/nm: 1.03035
  • c/nm: 1.35102
  • α/o: 90
  • β/o: 90
  • γ/o: 120
  • V/nm3: 1.2421
• Stability: Stability Stable, but reacts violently with water, alcohols, metals, sodium, potassium, ammonia, oxidizing agents, HF, peroxides, magnesium, strong bases.
• InChIKey: YWEUIGNSBFLMFL-UHFFFAOYSA-N

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