1.05104

リン酸カリウム 二塩基性

anhydrous for analysis EMSURE^®

• 別名: sec.-リン酸カリウム, リン酸ニカリウム, リン酸水素二カリウム
• 化学式: K₂HPO₄
• CAS番号: 7758-11-4
• 分子量: 174.18
• MDL番号: MFCD00011383
• UNSPSCコード: 12352302
• EC Index Number: 231-834-5
• NACRES: NA.21

特性

• 品質水準: 300
• 製品種目: EMSURE^®
• アッセイ: ≥99.0% (alkalimetric)
• 形状: solid
• 有効性: 8000 mg/kg LD₅₀, oral (Rat)
• 損失: ≤1% loss on drying, 130 °C
• pH: 9 (20 °C, 10 g/L in H₂O)
• 溶解性: 1600 g/L
• 密度: 2.44 g/cm³ at 20 °C
• かさ密度: 700‑1000 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.003%; sulfate (SO₄^2-): ≤0.005%
• 微量陽イオン: Fe: ≤0.0010%; N: ≤0.001%; Na: ≤0.5%; heavy metals (as Pb): ≤0.0005%
• 保管温度: 15-25°C
• SMILES記法: [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

詳細

アプリケーション

• 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).

アナリシスノート

Assay (alkalimetric): ≥ 99.0 %
pH-value (5 %; water): 8.7 - 9.3
Chloride (Cl): ≤ 0.003 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.0005 %
Fe (Iron): ≤ 0.0010 %
Na (Sodium): ≤ 0.5 %
Loss on drying (130 °C): ≤ 1.0 %

法的情報

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

安全性情報

• 保管分類コード: 13 - Non Combustible Solids
• WGK: WGK 1
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable