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Merck
모든 사진(1)

주요 문서

659878

Sigma-Aldrich

Potassium tert-butoxide

sublimed grade, 99.99% trace metals basis

동의어(들):

Potassium tert-butylate, Potassium t-butoxide

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About This Item

Linear Formula:
(CH3)3COK
CAS Number:
Molecular Weight:
112.21
Beilstein:
3556712
EC Number:
MDL number:
UNSPSC 코드:
12352103
PubChem Substance ID:
NACRES:
NA.23

Grade

sublimed grade

Quality Level

vapor pressure

1 mmHg ( 220 °C)

분석

99.99% trace metals basis

양식

solid

반응 적합성

core: potassium

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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일반 설명

Potassium tert-butoxide is a strong alkoxide base, it can deprotonate carbon and other Brφnsted acids. It is a relatively poor nucleophile.
Total impurities: may contain up to 5,000 ppm Sodium

애플리케이션

Mizoroki-Heck-Type reactions are mediated by potassium tert-butoxide. potassium tert-butoxide can commence the anionic polymerization of carbazolyl-substituted oxiranes.

픽토그램

FlameCorrosion

신호어

Danger

유해 및 위험 성명서

Hazard Classifications

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

보충제 위험성

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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시험 성적서(COA)

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문서 라이브러리 방문

Anionic polymerization of carbazolyl-substituted oxiranes initiated by potassium alkalide, potassium tert-butoxide and potassium hydride.
Buika G, et al.
Macromolecular Chemistry and Physics, 196(4), 1287-1293 (1995)
Einav Amit et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 26(57), 13046-13052 (2020-04-29)
N-heterocyclic carbenes (NHCs) have emerged as a unique molecular platform for the formation of self-assembled monolayers (SAMs) on various surfaces. However, active carbene formation requires deprotonation of imidazolium salt precursors, which is mostly facilitated by exposure of the salt to
H Takigami et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 53(11), 43-50 (2006-07-26)
Capacitor oil samples (PCBs > 90%wt) were treated in a bench scale experiment to investigate the destruction of PCBs during chemical destruction processes (a catalytic hydrodechlorination treatment with palladium carbon and additional treatment with potassium tert-butyloxide). Using those results, this
Aurélie Mallinger et al.
The Journal of organic chemistry, 74(3), 1124-1129 (2008-12-24)
3-Aryltetronic acids were prepared in one step by treatment of a mixture of methyl arylacetates and methyl hydroxyacetates with potassium tert-butoxide, via tandem transesterification/Dieckmann condensation. Several mushroom or lichen pigments, vulpinic acids, were synthesized from 3-(4-methoxyphenyl)tetronic acid in three steps
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

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