8.04918
Potassium tert-butylate
for synthesis
别名:
Potassium tert-butylate
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关于此项目
线性分子式:
(CH3)3COK
化学文摘社编号:
分子量:
112.21
UNSPSC Code:
12352107
EC Index Number:
212-740-3
NACRES:
NA.22
MDL number:
Assay:
≥98.0% (acidimetric)
Grade:
synthesis grade
Form:
powder
Solubility:
water: soluble (Hydrolysis, (rigorous decomposition))
SMILES string
[K+].[O-]C(C)(C)C
InChI
1S/C4H9O.K/c1-4(2,3)5;/h1-3H3;/q-1;+1
InChI key
LPNYRYFBWFDTMA-UHFFFAOYSA-N
Quality Level
greener alternative product characteristics
Catalysis
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pH
13 (20 °C, 5 g/L in H2O, Hydrolysis)
mp
256-258 °C
solubility
water: soluble (Hydrolysis, (rigorous decomposition))
density
1.19 g/cm3 at 20 °C
bulk density
500 kg/m3
greener alternative category
storage temp.
2-30°C
grade
synthesis grade
vapor pressure
0.02 hPa ( 20 °C)
assay
≥98.0% (acidimetric)
form
powder
autoignition temp.
483 °C
General description
Potassium tert-butylate (Potassium tert-Butoxide) is a strong, non-nucleophilic alkoxide base in organic chemistry. Potassium tert-butoxide catalyzes the reaction of hydro silanes and heterocyclic compounds to generate the silyl derivatives. It is used to catalyze the Michael addition reaction, Ramberg-Baecklund reaction, Pinacol rearrangement.
Application
Potassium tert-butylate is used to catalyzes the Michael addition reaction.
Features and Benefits
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is an environmentally benign and has been enhanced for catalytic efficiency. Click here for more information.
Analysis Note
Assay (acidimetric): ≥ 98,0 %(m)
Free KOH: ≤ 1 %(m)
Identity (IR): conforms
Free KOH: ≤ 1 %(m)
Identity (IR): conforms
signalword
Danger
Hazard Classifications
Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 2 - Skin Corr. 1A - Water-react 1
supp_hazards
存储类别
4.2 - Pyrophoric and self-heating hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Synthesis of N-substituted quaternary carbon centers through KO t-Bu-catalyzed aza-Michael addition of pyrazoles to cyclic enones
Yoon S, et al.
Organic & Biomolecular Chemistry, 20(42), 8313-8322 (2022)
Anton A Toutov et al.
Nature, 518(7537), 80-84 (2015-02-06)
Heteroaromatic compounds containing carbon-silicon (C-Si) bonds are of great interest in the fields of organic electronics and photonics, drug discovery, nuclear medicine and complex molecule synthesis, because these compounds have very useful physicochemical properties. Many of the methods now used
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