Basic information description Chemical Properties Hazardous characteristics Reference quality standards Reaction with water Toxicity Water absorption Uses Production method Safety Related Supplier
Phosphorus pentoxide Structure

Phosphorus pentoxide

Chemical 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
color  White
Specific Gravity 2.39
Odor Pungent odour
PH Range <2
PH 1 (5g/l, H2O, 20℃)
Water Solubility  Soluble in sulfuric acid. Insoluble in acetone and ammonia. Decomposes in water.
Sensitive  Moisture Sensitive
Merck  14,7355
Sublimation  340-360 ºC
Stability Stability Stable, but reacts violently with water, alcohols, metals, sodium, potassium, ammonia, oxidizing agents, HF, peroxides, magnesium, strong bases.
InChIKey YWEUIGNSBFLMFL-UHFFFAOYSA-N
CAS DataBase Reference 1314-56-3(CAS DataBase Reference)
NIST Chemistry Reference Diphosphorus pentoxide(1314-56-3)
EPA Substance Registry System Phosphorus pentoxide (1314-56-3)

Safety Information

Hazard Codes  C
Risk Statements  35
Safety Statements  22-26-45
RIDADR  UN 1807 8/PG 2
WGK Germany  1
RTECS  TH3945000
3-10
TSCA  Yes
HS Code  2809 10 00
HazardClass  8
PackingGroup  II
Hazardous Substances Data 1314-56-3(Hazardous Substances Data)

MSDS

Usage And Synthesis

Phosphorus pentoxide Supplier

Phosphorus pentoxide manufacturers