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线性分子式:
K2HPO4
化学文摘社编号:
分子量:
174.18
NACRES:
NA.21
EC Index Number:
231-834-5
UNSPSC Code:
12352302
MDL number:
Assay:
≥99.0% (alkalimetric)
Grade:
reagent grade
Form:
solid
Solubility:
1600 g/L
InChI
1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
SMILES string
[K+].[K+].OP([O-])([O-])=O
InChI key
ZPWVASYFFYYZEW-UHFFFAOYSA-L
Quality Level
grade
reagent grade
product line
EMSURE®
assay
≥99.0% (alkalimetric)
form
solid
potency
8000 mg/kg LD50, oral (Rat)
loss
≤1% loss on drying, 130 °C
pH
9 (20 °C, 10 g/L in H2O)
solubility
1600 g/L
density
2.44 g/cm3 at 20 °C
bulk density
700‑1000 kg/m3
anion traces
chloride (Cl-): ≤0.003%, sulfate (SO42-): ≤0.005%
cation traces
Fe: ≤0.0010%, N: ≤0.001%, Na: ≤0.5%, heavy metals (as Pb): ≤0.0005%
storage temp.
15-25°C
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Application
- Bromination of aromatic compounds by residual bromide in sodium chloride matrix modifier salt during heated headspace GC/MS analysis.: 本研究调查了磷酸氢二钾在芳香族化合物溴化中的作用,并提供了有关其在 GC/MS 分析中的应用的见解(Fine et al., 2013)。
- Purification of porcine pancreatic lipase by aqueous two-phase systems of polyethylene glycol and potassium phosphate.: 本研究详细介绍了如何使用磷酸氢二钾,基于双水相系统纯化猪胰脂肪酶,证明了其在生化分离过程中的实用价值(Zhou et al., 2013)。
- Cloning, purification, crystallization and preliminary X-ray crystallographic analysis of a cyclophilin A-like protein from Piriformospora indica.: 本文讨论了磷酸氢二钾在环丝氨酸 A 样蛋白结晶过程的应用,有助于结构生物学研究(Bhatt et al., 2012)。
- A validated enantioselective HPLC assay of dexibuprofen in dexibuprofen tablet formulations.: 使用磷酸氢二钾进行开发右布洛芬的对映选择性 HPLC 测定,增强药物分析技术 (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.: 本研究采用磷酸氢二钾分析河水中的除草剂含量,证明其适合环境监测和水质评估应用(de la Peña et al., 2003)。
Analysis Note
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 %
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 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
实验方案
Lopinavir assay setup saves time and improves efficiency with shorter columns, meeting European pharmacopoeia guidelines.
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