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Merck
CN

1.00540

di-Phosphorus pentoxide

extra pure

Synonym(s):

di-Phosphorus pentoxide, Phosphoric anhydride

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About This Item

Empirical Formula (Hill Notation):
O5P2
CAS Number:
Molecular Weight:
141.94
MDL number:
UNSPSC Code:
12352303
EC Index Number:
215-236-1
NACRES:
NB.21
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Product Name

di-Phosphorus pentoxide, extra pure

SMILES string

[P]21(=O)O[P]3(=O)O[P](=O)(O2)O[P](=O)(O1)O3

InChI

1S/O10P4/c1-11-5-12(2)8-13(3,6-11)10-14(4,7-11)9-12

InChI key

DLYUQMMRRRQYAE-UHFFFAOYSA-N

vapor pressure

<0.1 hPa ( 20 °C)

assay

≥97.0% (acidimetric)

form

solid

impurities

≤0.02% Reducing matter (as P2O3)
≤0.02% reductants (as P2O3)

pH

1 (20 °C, 5 g/L in H2O)

mp

420 °C (closed capillary tube)

solubility

850 g/L (Risk of violent reaction.)

density

2.28 g/cm3 at 20-25 °C

bulk density

700 kg/m3

anion traces

chloride (Cl-): 50 ppm

storage temp.

no temp limit

Quality Level

cation traces

heavy metals (as Pb): <0.01%

Analysis Note

Assay (acidimetric): ≥ 97 %
Chloride (Cl): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.01 %
Reducing matter (as P₂O₃): ≤ 0.02 %

Application


  • Synthesis of new azo compounds based on N-(4-hydroxypheneyl)maleimide and N-(4-methylpheneyl)maleimide.: This study presents the synthesis of novel azo compounds utilizing di-Phosphorus pentoxide, demonstrating its utility in facilitating complex reactions in organic synthesis, particularly in forming N-substituted maleimide derivatives crucial in analytical chemistry for detecting molecular interactions (Mohammed IA et al., 2010).


pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1A

supp_hazards

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品
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