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Phosphorous Pentoxide
  • Phosphorous Pentoxide

Phosphorous Pentoxide

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Phosphorous Pentoxide

CAS No.: 1314-56-3

Molecular formula: P2O5

Molecular weight: 141.94


Phosphorous Pentoxide is white crystals with following property: deliquescent, density 0.9g/cm3, mp.580-585°C, sublimation temperature 300°C and vapor pressure 133.3Pa (384°C). Phosphorous Pentoxide may transform to amorphous from under elevated temperature and pressure. Phosphorous Pentoxide readily absorbs moisture from.


Phosphorous Pentoxide is used in synthesis of Phosphorus Oxychloride, Metaphosphoric Acid. Phosphorous Pentoxide is also used in manufacture of Acrylate, surface active agent. Additionally, in refining of drugs and sugar; Phosphorous Pentoxide is used as dehydrating agent, desiccant, antistatic agent; analytical reagent.


Phosphorous Pentoxide is packed in 20kg woven plastic bag or 200kg iron drum

Specifications & Technical Data:

Items Index
Chemical pure Analytic pure Industrial grade
P2O5 Assay ≥99% ≥99.5% ≥99.5%
Live R 1.2 1.7 2.0
Reduced (P2O3) ≤0.02 ≤0.01 ≤0.005
Learity test Qualified Qualified Qualified
Water insoluble matter ≤0.02 ≤0.01 ≤0.01
Total N ≤0.002 ≤0.001 ≤0.001
Heavy metals with (the Pb allounts) ≤0.002 ≤0.001 ≤0.001
Fe ≤0.02 ≤0.001 ≤0.001
As ≤0.01 ≤0.005 ≤0.0025

Information is up-to-date: 07.03.2018

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