Home Categories Inorganic chemistry Phosphorus pentoxide
A6740912

Phosphorus pentoxide , 99.997%metalsbasis , 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

Update time: 2022-07-08

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/nmb/nmc/nmα/oβ/oγ/oV/nm3
1.030351.030351.3510290901201.2421

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
3-10
TSCA  Yes
HS Code  2809 10 00
HazardClass  8
PackingGroup  II

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