P5708
乙酸钾
BioXtra, ≥99.0%
别名:
KOAc, 乙酸钾盐, 利尿盐, 醋酸钾
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关于此项目
线性分子式:
CH3COOK
化学文摘社编号:
分子量:
98.14
Beilstein:
3595449
EC 号:
MDL编号:
UNSPSC代码:
12161700
PubChem化学物质编号:
NACRES:
NA.25
产品线
BioXtra
质量水平
方案
≥99.0%
表单
powder
杂质
≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter
pH值（酸碱度）
7.0-9.0 (25 °C, 98.2 g/L)
溶解性
H2O: 5 M, clear, colorless
密度
1.57 g/cm3 at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤0.003%
sulfate (SO42-): ≤0.002%
痕量阳离子
Al: ≤0.0005%
Ca: ≤0.001%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.03%
Pb: ≤0.001%
Zn: ≤0.0005%
应用
agriculture
SMILES字符串
[K+].CC([O-])=O
InChI
1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1
InChI key
SCVFZCLFOSHCOH-UHFFFAOYSA-M
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一般描述
醋酸钾（KAc）是强碱弱酸醋酸盐。它可用作缓冲剂，使酶反应和蛋白质研究维持最优的pH水平。KAc兼容生物体系，因而成为生物分子分离、纯化和分析的首选。在生物测定体系中，它还可稳定酶并维持最优条件，因而在生化研究中不可或缺。此外，KAc 是色谱和电泳技术的不二之选，有助于生物分子的分离和分析。
应用
- Study on the Freeze-Thaw Resistance of Concrete Pavements in Seasonally Frozen Regions.：该文研究季节性冻土区混凝土路面的抗冻融性，说明乙酸钾等化学添加剂提高耐久性的作用(Zhao et al., 2024)。
- Harmonising IV Oxycodone with Paediatric Perioperative Medications：A Compatibility Study Through Y-Type Connectors.：研究羟考酮IV与各种儿科围术期药物（包括乙酸钾）的配伍，保证安全给药(Youssef et al., 2024)。
- Gene Expression of Ethanol and Acetate Metabolic Pathways in the Acinetobacter baumannii EmaSR Regulon.：该文研究鲍氏不动杆菌中的乙醇和乙酸盐代谢途径，说明乙酸钾的基因表达调节作用(Huang et al., 2024)。
生化/生理作用
醋酸钾 (KAc) 缓冲液有助于从植物和蜱虫等各类样品中提取 DNA。利用这一成分可获得可供测试更多标志物的DNA，针对同一样品测试多种标志物时强烈建议选用。在色谱和电泳技术应用中，KAc 可作为生物分子分离和分析的有效缓冲体系。此外，它还可用作活化剂，用茶叶渣制备活性炭吸附酸性蓝25（AB25）染料。
特点和优势
- BioXtra 产品线确保高质量的产品，实现稳定的结果。
- 高含量( ≥99.0%),，证明其纯度。
- 粉末形式，易于处理和使用。
储存分类代码
13 - Non Combustible Solids
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
An oscillometric detector for capillary electrophoresis
Fracassi da Silva, Jose A and do Lago, Claudimir L
Analytical Chemistry, 70(20) (1998)
Comparison of different methods for the isolation and purification of total community DNA from soil.
M Krsek et al.
Journal of microbiological methods, 39(1), 1-16 (1999-12-01)
The efficiency and reproducibility of DNA extraction from soil was tested for variations in lytic and purification treatments and their effect on yield and purity of DNA. The extraction yield was improved by increasing the concentration of EDTA or monovalent
Isolation of oligogalacturonic acids up to DP 20 by preparative high-performance anion-exchange chromatography and pulsed amperometric detection
Hotchkiss Jr A T, et al.
Carbohydrate Research, 334(2), 135- 40 (2001)
Prediction of pH and aw of pork meat by a thermodynamic model: New developments
Ndob A M and Lebert A
Meat Science, 138, 59-67 (2018)
R K Rose et al.
Journal of dental research, 72(1), 78-84 (1993-01-01)
By means of micro-equilibrium dialysis, calcium binding capacities and affinities were measured in three different oral bacteria, and the effects of extracellular polysaccharide, pH, and aggregation were investigated. Binding capacities of 31.0 +/- 2.1 (C. matruchotii), 34.7 +/- 3.7 (S.
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