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Merck
CN
所有图片(2)

文件

1.05104

Supelco

磷酸氢二钾

anhydrous for analysis EMSURE®

别名:

磷酸钾二元 二元, 磷酸二钾, 磷酸氢二钾

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About This Item

线性分子式:
K2HPO4
CAS号:
分子量:
174.18
MDL编号:
UNSPSC代码:
12352302
EC索引号:
231-834-5
NACRES:
NA.21

质量水平

产品线

EMSURE®

检测方案

≥99.0% (alkalimetric)

形式

solid

效能

8000 mg/kg LD50, oral (Rat)

缺失

≤1% loss on drying, 130 °C

pH值(酸碱度)

9 (20 °C, 10 g/L in H2O)

溶解性

1600 g/L

密度

2.44 g/cm3 at 20 °C

堆积密度

700‑1000 kg/m3

痕量阴离子

chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.005%

痕量阳离子

Fe: ≤0.0010%
N: ≤0.001%
Na: ≤0.5%
heavy metals (as Pb): ≤0.0005%

储存温度

15-25°C

SMILES字符串

[K+].[K+].OP([O-])([O-])=O

InChI

1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2

InChI key

ZPWVASYFFYYZEW-UHFFFAOYSA-L

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应用


  • Bromination of aromatic compounds by residual bromide in sodium chloride matrix modifier salt during heated headspace GC/MS analysis.: This research investigates the role of potassium phosphate dibasic in the bromination of aromatic compounds, providing insights into its application in GC/MS analysis (Fine et al., 2013).

  • Purification of porcine pancreatic lipase by aqueous two-phase systems of polyethylene glycol and potassium phosphate.: The study details the use of potassium phosphate dibasic in the purification of porcine pancreatic lipase using an aqueous two-phase system, demonstrating its utility in biochemical separation processes (Zhou et al., 2013).

  • Cloning, purification, crystallization and preliminary X-ray crystallographic analysis of a cyclophilin A-like protein from Piriformospora indica.: This article discusses the use of potassium phosphate dibasic in the crystallization process of a cyclophilin A-like protein, contributing to structural biology research (Bhatt et al., 2012).

  • A validated enantioselective HPLC assay of dexibuprofen in dexibuprofen tablet formulations.: Potassium phosphate dibasic is utilized in the development of an enantioselective HPLC assay for dexibuprofen, enhancing pharmaceutical analysis techniques (Awad et al., 2012).

  • Monitoring of phenylurea and propanil herbicides in river water by solid-phase-extraction high performance liquid chromatography with photoinduced-fluorimetric detection.: The study employs potassium phosphate dibasic in the analysis of herbicides in river water, demonstrating its application in environmental monitoring and water quality assessment (de la Peña et al., 2003).

分析说明

含量测定(碱量滴定): ≥ 99.0 %
pH值(5 %;水):8.7 - 9.3
氯化物(Cl): ≤ 0.003 %
硫酸盐(SO₄): ≤ 0.005%
总氮(N): ≤ 0.001 %
重金属(以铅计): ≤ 0.0005 %
Fe(铁): ≤ 0.0010 %
Na(钠): ≤ 0.5 %
干燥失重 (130 °C): ≤ 1.0 %

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

储存分类代码

13 - Non Combustible Solids

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable


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