659878
Potassium tert-butoxide
sublimed grade, 99.99% trace metals basis
Sinónimos:
Potassium tert-butylate, Potassium t-butoxide
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Fórmula lineal:
(CH3)3COK
Número CAS:
Peso molecular:
112.21
UNSPSC Code:
12352103
NACRES:
NA.23
PubChem Substance ID:
EC Number:
212-740-3
Beilstein/REAXYS Number:
3556712
MDL number:
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Permítanos ayudarleInChI
1S/C4H9O.K/c1-4(2,3)5;/h1-3H3;/q-1;+1
SMILES string
[K+].CC(C)(C)[O-]
InChI key
LPNYRYFBWFDTMA-UHFFFAOYSA-N
grade
sublimed grade
vapor pressure
1 mmHg ( 220 °C)
assay
99.99% trace metals basis
Quality Level
form
solid
reaction suitability
core: potassium
greener alternative product characteristics
Catalysis
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mp
256-258 °C (dec.) (lit.)
greener alternative category
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General description
Potassium tert-butoxide (KOtBu) is a strong, non-nucleophilic base widely used in organic synthesis and materials science. It appears as a white to off-white crystalline solid that is highly reactive, especially in the presence of moisture or air. It can be used as a vapor deposition precursor in chemical vapor deposition (MOCVD) processes for thin film fabrication. It offers potential utility in depositing potassium-containing films or modifying surface chemistry in the production of advanced materials.
Application
Potassium tert-butoxide can be used as:
- A precursor to fabricate potassium-containing thin films via the atomic layer deposition (ALD) method.
- A catalyst for efficient functionalization of silsesquioxanes enabling the preparation of hybrid materials used in optics, electronics, and coating. A strong base in the synthesis of nitriles from aldehydes.
- A promoter and base in cyclization and coupling reactions for enabling a wide range of bond-forming reactions via both ionic and radical mechanisms.
- Mizoroki-Heck-Type reactions are mediated by potassium tert-butoxide. potassium tert-butoxide can commence the anionic polymerization of carbazolyl-substituted oxiranes.
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.
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Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Flam. Sol. 1 - Self-heat. 2 - Skin Corr. 1A
supp_hazards
Clase de almacenamiento
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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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)
Cyclization and Coupling Reactions Promoted by Potassium tert-Butoxide
Lizhi, Zhang and Yongjian, et al.
Chinese Journal of Organic Chemistry, 42, 1950-1950 (2022)
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
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
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
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