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Merck
CN

79609

五氧化二磷

puriss. p.a., ACS reagent, ≥98.0% (T)

别名:

氧化磷(V), 磷酸酐

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关于此项目

线性分子式:
P2O5
化学文摘社编号:
分子量:
141.94
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
EC Number:
215-236-1
NACRES:
NA.21
Assay:
≥98.0% (T)
Form:
powder or crystals
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Quality Segment

vapor density

4.9 (vs air)

vapor pressure

1 mmHg ( 384 °C), 10 mmHg ( 238 °C)

grade

ACS reagent, puriss. p.a.

assay

≥98.0% (T)

form

powder or crystals

impurities

≤0.02% phosphorus trioxide (P2O3)

pH

1.5 (20 °C, 10 g/L)

mp

340 °C (lit.)

density

2.3 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤10 mg/kg, nitrate (NO3-): ≤5 mg/kg

cation traces

As: ≤100 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, NH4+: ≤10 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

O=P12OP3(=O)OP(=O)(O1)OP(=O)(O2)O3

InChI

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

InChI key

YWEUIGNSBFLMFL-UHFFFAOYSA-N

General description

Phosphorus pentoxide (P2O5) is a phosphorous oxide. It participates in Pictet-Gams synthesis. Phosphorus pentoxide supported on alumina has been used for solvent-free and microwave-assisted synthesis of 1, 5-benzodiazepine derivatives.

Application

Phosphorus pentoxide may be used in the synthesis of dichlorine heptoxide (Cl2O7).


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pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1A

supp_hazards

存储类别

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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