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1.00540

Supelco

di-Phosphorus pentoxide

extra pure

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Synonym(s):
di-Phosphorus pentoxide, Phosphoric anhydride
Empirical Formula (Hill Notation):
O5P2
CAS Number:
Molecular Weight:
141.94
EC Index Number:
215-236-1

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

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

cation traces

heavy metals (as Pb): 100 ppm

storage temp.

no temp limit

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

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This Item
90216029822079610
di-Phosphorus pentoxide extra pure

Supelco

1.00540

di-Phosphorus pentoxide

Phosphorus pentoxide anhydrous, free-flowing, Redi-Dri&#8482;, ReagentPlus&#174;, 99%

Sigma-Aldrich

902160

Phosphorus pentoxide

Phosphorus pentoxide powder, ACS reagent, &#8805;98.0%

Sigma-Aldrich

298220

Phosphorus pentoxide

Phosphorus pentoxide desiccant, with moisture indicator

Sigma-Aldrich

79610

Phosphorus pentoxide

assay

≥97.0% (acidimetric)

assay

99%

assay

≥98.0%

assay

-

form

solid

form

powder

form

powder

form

powder, crystals or granules

impurities

≤0.02% Reducing matter (as P2O3)

impurities

-

impurities

P2O3, passes test (lim. ~0.02%), ≤0.02% insolubles

impurities

-

pH

1 (20 °C, 5 g/L in H2O)

pH

1.5 (20 °C, 10 g/L)

pH

1.5 (20 °C, 10 g/L)

pH

1.5 (20 °C, 10 g/L)

mp

420 °C (closed capillary tube)

mp

340 °C (lit.)

mp

340 °C (lit.)

mp

340 °C (lit.)

Analysis Note

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

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1A

Supplementary Hazards

Storage Class Code

8B - Non-combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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