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Merck
CN

79609

Sigma-Aldrich

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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About This Item

线性分子式:
P2O5
CAS号:
分子量:
141.94
EC 号:
MDL编号:
UNSPSC代码:
12352303
PubChem化学物质编号:
NACRES:
NA.21
方案:
≥98.0% (T)
表单:
powder or crystals

等级

ACS reagent
puriss. p.a.

质量水平

蒸汽密度

4.9 (vs air)

蒸汽压

1 mmHg ( 384 °C)
10 mmHg ( 238 °C)

方案

≥98.0% (T)

表单

powder or crystals

杂质

≤0.02% phosphorus trioxide (P2O3)

pH值(酸碱度)

1.5 (20 °C, 10 g/L)

mp

340 °C (lit.)

密度

2.3 g/mL at 25 °C (lit.)

痕量阴离子

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

痕量阳离子

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字符串

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

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一般描述

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.

应用

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

象形图

Corrosion

警示用语:

Danger

危险声明

危险分类

Eye Dam. 1 - Skin Corr. 1A

补充剂危害

储存分类代码

8A - Combustible corrosive hazardous materials

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

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

法规信息

危险化学品

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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访问文档库

Eagleson M.
Concise Encyclopedia Chemistry, 215-215 (1994)
Jae-Hyung Ahn et al.
Microbial ecology, 68(2), 271-283 (2014-04-01)
The effects of water-saving irrigation on emissions of greenhouse gases and soil prokaryotic communities were investigated in an experimental rice field. The water layer was kept at 1-2 cm in the water-saving (WS) irrigation treatment and at 6 cm in
Radek Pohl et al.
Organic & biomolecular chemistry, 13(16), 4693-4705 (2015-03-24)
Systematic structure-activity studies on a diverse family of nucleoside phosphonic acids has led to the development of potent antiviral drugs such as HPMPC (CidofovirTM), PMEA (AdefovirTM), and PMPA (TenofovirTM), which are used in the treatment of CMV-induced retinitis, hepatitis B
Alumina/phosphorus pentoxide (APP) as an efficient reagent for the synthesis of 1, 5-benzodiazepines under microwave irradiation.
Kaboudin B and Navaee K.
Heterocycles, 1443-1446 (2001)
Eagleson M.
Concise Encyclopedia Chemistry, 836-836 (1994)

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