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
UNSPSC Code:
12352302
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-822-2
Beilstein/REAXYS Number:
3595449
MDL number:
Assay:
99-101%
Form:
crystalline
vapor pressure
<0.0000001 hPa ( 25 °C)
Quality Level
grade
puriss.
assay
99-101%
form
crystalline
quality
meets analytical specification of Ph. Eur., BP, E261
impurities
residual solvents, complies, ≤0.0004% heavy metals (as Pb), ≤0.05% KMnO4 red. matter (as HCOOH)
loss
≤1% loss on drying, 150 °C, 2 h
pH
7.5-9 (20 °C, 5%)
density
1.57 g/cm3 at 25 °C (lit.)
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
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 string
[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
General description
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。
Application
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。
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存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Eagleson M.
Concise Encyclopedia Chemistry, 886-886 (1994)
Saša Haberl et al.
The Journal of membrane biology, 246(11), 861-867 (2013-07-09)
The use of plasmid DNA (pDNA) as a pharmaceutical tool has increased since it represents a safer vector for gene transfer compared to viral vectors. Different pDNA extraction methods have been described; among them is alkaline lysis, currently the most
Fátima Gebauer et al.
Methods in enzymology, 429, 23-33 (2007-10-05)
Classically, Drosophila cell-free translation systems have been used to study the response of the translational machinery to heat shock treatment. We and others have developed optimized Drosophila embryo and ovary extracts, and their use has expanded to the study of
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 25059-1KG | 04061825937410 |
| 25059-5KG | 04061833636732 |