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Merck
CN

60100

Sigma-Aldrich

Potassium tert-butoxide

technical, ≥94% (T)

Synonym(s):

Potassium tert-butylate, Potassium t-butoxide

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About This Item

Linear Formula:
(CH3)3COK
CAS Number:
865-47-4
Molecular Weight:
112.21
Beilstein:
3556712
EC Number:
212-740-3
MDL number:
MFCD00012162
UNSPSC Code:
12352000

Key Documents

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vapor pressure

1 mmHg ( 220 °C)

grade

technical

Assay

≥94% (T)

form

solid

impurities

≤3.5% K2CO3 and KOH

mp

256-258 °C (dec.) (lit.)

SMILES string

[K+].CC(C)(C)[O-]

InChI

1S/C4H9O.K/c1-4(2,3)5;/h1-3H3;/q-1;+1

InChI key

LPNYRYFBWFDTMA-UHFFFAOYSA-N

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Pictograms

FlameCorrosion
GHS02,GHS05

Signal Word

Danger

Hazard Statements

H228,H252,H314

Hazard Classifications

Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 2 - Skin Corr. 1A

Supplementary Hazards

EUH014

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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Wei Liu et al.
Chemical communications (Cambridge, England), 49(29), 2983-2985 (2013-03-07)
Simple and cheap alcohols can promote the direct arylation of unactivated arenes with aryl iodides and bromides in the presence of potassium tert-butoxide. This transition-metal-free aromatic C-H transformation offers a cheap and easy practical way to synthesize biaryls under mild
Masakatsu Matsumoto et al.
Chemical communications (Cambridge, England), (6)(6), 808-810 (2005-02-03)
Four optically pure isomers of dioxetane (1) were decomposed by the action of the complex of an optically active crown ether with potassium tert-butoxide to afford light with lambda(max)CL and gave four different spectrum shapes.
E Crespo-Corral et al.
Journal of chromatography. A, 1209(1-2), 22-28 (2008-10-01)
The usefulness of the potassium tert-butoxide/dimethyl sulphoxide/ethyl iodide reaction with carbamate and phenylurea herbicides, and its application to phenoxy acids as a way to prevent hazards and toxicity of the sodium hydride/dimethyl sulphoxide/methyl iodide reaction was studied. Using factorial design
Scott E Denmark et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 12(19), 4954-4963 (2006-05-04)
This paper chronicles the conceptual development, proof of principle experiments, and recent advances in the palladium-catalyzed cross-coupling reactions of the conjugate bases of organosilanols. The discovery that led to the design and refinement of this process represents a classical illustration
Subhadip De et al.
Organic letters, 14(17), 4466-4469 (2012-08-16)
A transition-metal-free intramolecular dehydrohalide coupling via intramolecular homolytic aromatic substitution (HAS) with aryl radicals has been developed in the presence of potassium tert-butoxide and an organic molecule as the catalyst. The methodology has been applied to a concise synthesis of
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