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Merck
CN

79622

磷酸

greener alternative

puriss. p.a., crystallized, ≥99.0% (T)

别名:

正磷酸

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关于此项目

线性分子式:
H3PO4
化学文摘社编号:
7664-38-2
分子量:
98.00
UNSPSC Code:
12352106
NACRES:
NA.21
PubChem Substance ID:
329768533
EC Number:
231-633-2
Beilstein/REAXYS Number:
1921286
MDL number:
MFCD00011340
Assay:
≥99.0% (T)
Form:
powder or crystals

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InChI key

NBIIXXVUZAFLBC-UHFFFAOYSA-N

InChI

1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)

vapor density

3.4 (vs air)

vapor pressure

2.2 mmHg ( 20 °C)

Quality Level

200

grade

puriss. p.a.

assay

≥99.0% (T)

form

powder or crystals

quality

crystallized

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

impurities

≤0.002% KMnO4-reducing matter (as O)

bp

158 °C (lit.)

solubility

water: 850 g/L at 20 °C

density

1.685 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 mg/kg, nitrate (NO3-): ≤5 mg/kg, phosphite, hypophosphite (as H3PO3): ≤500 mg/kg, sulfate (SO42-): ≤30 mg/kg

cation traces

As: ≤1 mg/kg, Ca: ≤10 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤1 mg/kg, Cu: ≤1 mg/kg, Fe: ≤10 mg/kg, K: ≤5 mg/kg, Mg: ≤1 mg/kg, Mn: ≤1 mg/kg, Na: ≤50 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg

greener alternative category

Enabling

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相关类别

General description

本品为结晶磷酸。
磷酸（H3PO4）也称为正磷酸。它在各种制造过程中充当中介或试剂。磷酸可见于化肥、洗涤剂和其他家用清洁产品中。
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Phosphoric acid-doped polybenzimidazole (PBI) membranes offer a cleaner path to energy by enabling high-temperature fuel cells that efficiently convert hydrogen into electricity with low emissions. Their durability and proton conductivity make them ideal for sustainable power systems. Click here for more information.

Application

在一项研究中使用磷酸作为氧化剂。1 其可用于制备磷酸铵。
磷酸可用作：
  • 在亚胺的亲核加成反应中作为催化剂。
  • 合成多孔磷酸基地质聚合物。
  • 在乙酸酐环境下，从简单脂肪醇合成单烷基磷酸盐。

Other Notes

浓磷酸大约为 85% H3PO4(水溶液)。

Disclaimer

加热至 50°C 时，产品可能变成固体，变成液体

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B

存储类别

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

法规信息

危险化学品
此项目有

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCP3128
BCCN7172
BCCN1870
BCCM7792
BCCL4861

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