236497
乙酸钾
ACS reagent, ≥99.0%
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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:
12352106
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-822-2
Beilstein/REAXYS Number:
3595449
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
powder or crystals
Solubility:
water: soluble 98.2 g/L at 20 °C
grade
ACS reagent
Quality Level
vapor pressure
<0.0000001 hPa ( 25 °C)
assay
≥99.0%
form
powder or crystals
impurities
≤0.005% insolubles
pH
6.5-9.0 (25 °C, 5%)
solubility
water: soluble 98.2 g/L at 20 °C
density
1.57 g/cm3 at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.003%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.002%
cation traces
Ca: ≤0.005%, Fe: ≤5 ppm, Mg: ≤0.002%, Na: ≤0.03%, heavy metals: ≤5 ppm (as Pb)
suitability
complies for IR spectroscopy
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
乙酸钾是一种吸湿性材料，在有机合成中用作碱。它还可作为缓冲溶剂和中和剂。
Application
乙酸钾用作：
乙酸钾还可以作为碱：
- 以DEG（二甘醇）为溶剂糖酵解硬质聚胺酯的催化剂。
- 用于加成和聚合反应的亲核催化剂。
- 环氧化物和 S-苯基硫代酸酯区域选择性反应的亲核催化剂。
- 过渡金属催化反应的促进剂/碱。
- 在邻苯二甲酰亚胺的光脱羧基亲核加成反应中作为甲基自由基来源，以及模板反应中作为钾离子来源。
乙酸钾还可以作为碱：
- 用于异羟肟酸的洛森重排反应。
- 用于E2 消除′反应。
- 用于 α,α-二氯酮酯裂解和醇类的去质子化。
Other Notes
Legal Information
Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
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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
Potassium acetate-catalyzed acetylation of wood: extraordinarily rapid acetylation at 120 C.
Obataya E and Minato K.
Wood Science and Technology, 42(7), 567-577 (2008)
Eagleson M.
Concise Encyclopedia Chemistry, 886-886 (1994)
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 |
|---|---|
| 236497-2.5KG | 04061838785688 |
| 236497-100G | 04061838785671 |
| 236497-12KG | 04061833636633 |
| 236497-4X2.5KG | 04061832562919 |
| 236497-500G | 04061838785695 |