25059
乙酸钾
puriss., meets analytical specification of Ph. Eur., BP, E261, 99-101%
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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:
12352302
PubChem化学物质编号:
NACRES:
NA.21
蒸汽压
<0.0000001 hPa ( 25 °C)
质量水平
等级
puriss.
方案
99-101%
表单
crystalline
质量
meets analytical specification of Ph. Eur., BP, E261
杂质
residual solvents, complies
≤0.0004% heavy metals (as Pb)
≤0.05% KMnO4 red. matter (as HCOOH)
缺失
≤1% loss on drying, 150 °C, 2 h
pH值（酸碱度）
7.5-9 (20 °C, 5%)
密度
1.57 g/cm3 at 25 °C (lit.)
痕量阴离子
chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg
痕量阳离子
Al: ≤1 mg/kg
As: ≤2 mg/kg
Ca: ≤50 mg/kg
Cu: ≤4 mg/kg
Fe: ≤10 mg/kg
Mg: ≤30 mg/kg
Na: ≤5000 mg/kg
Pb: ≤4 mg/kg
Zn: ≤10 mg/kg
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
醋酸钾是一种吸湿性钾盐。它可以通过用氢氧化钾或碳酸钾中和乙酸来制备。它可以作为聚合和加成反应的亲核催化剂，在取代和加成反应中作为醋酸阴离子的来源。它可以在各种有机反应中用作碱和促进剂。
应用
醋酸钾用作催化剂：
醋酸钾也用作促进剂：
- 以糠醛和棕榈酸酐为原料制备 2-十六烷基呋喃。
- 醋酸钾可用作碱：羟肟酸到氨基甲酸的 Lossen 重排。
- In E2 E2 消除反应。
- 从烷氧基酰胺底物形成内酯。
醋酸钾也用作促进剂：
- 钯催化剂环境下芳基氯化物与双(频哪醇合)二硼的硼化反应。
- α, β-不饱和酮的 β-硼化。
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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