Phosphorus (V) Oxide


Product # 2857
Name Phosphorus (V) Oxide
Synonyms Phosphorus pentoxide, Diphosphorus pentoxide, Phosphorus anhydride
Formula P2O5
Purity 99.998%
CAS Number 1314-56-3
Molecular Weight 141.94
Color & Form White powder
Boiling Point 360° C (subl.)
Melting Point 340° C
Specific Gravity 2.39 gm/ml
Solubility Violet reaction with water


100 gm $90.00
500 gm $285.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.


Transportation Information UN1807, Phosphorus pentoxide, 8, II
Pictogram Pictogram: Acute  Pictogram: Corrosive 
Signal Word Danger
Hazardous Statements

H314  Causes severe skin burns and eye damage.

H330  Fatal if inhaled.

Precautionary Phrases

P260  Do not breathe dust/fume/gas/mist/vapours/spray.

P303+P361+P353  IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338  IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P301+P330+P331  IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

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