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Merck

156671

Potassium tert-butoxide

reagent grade, ≥98%

greener alternative

Greener Alternative

Synonym(s):

Potassium tert-butylate, Potassium t-butoxide

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About This Item

Linear Formula:
(CH3)3COK
CAS Number:
Molecular Weight:
112.21
UNSPSC Code:
12352303
NACRES:
NA.22
PubChem Substance ID:
EC Number:
212-740-3
Beilstein/REAXYS Number:
3556712
MDL number:
eCl@ss:
32150313
Assay:
≥98%
Grade:
reagent grade
Form:
solid
Solubility:
soluble, water: soluble (Hydrolysis, (rigorous decomposition))
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grade

reagent grade

Quality Segment

vapor pressure

1 mmHg ( 220 °C)

assay

≥98%

form

solid

sustainability

Sustainability features

mp

256-258 °C (dec.) (lit.)

solubility

soluble, water: soluble (Hydrolysis, (rigorous decomposition))

application(s)

cannabis testing

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

General description

This product aligns with one or more of the 12 Principles of Green Chemistry Find details here.

Application

Potassium tert-butoxide has been used as a strong base in the enantioselective synthesis of amines by transfer hydrogenation of N-(tertbutylsulfinyl)imines.
It can also be used:
  • To synthesize aliphatic and aromatic amides from corresponding esters and amines.
  • As a base in the intramolecular cyclization of aryl ethers, amines, and amides.
  • As a catalyst to prepare styrene derivatives from aryl halides and alkenes by Mizoroki-Heck reaction.

Used for greener amidation of esters.

tert-Butoxide-Assisted Amidation of Esters under Green Conditions

Potassium tert-butoxide may be used as a base in the intramolecular cyclization of iodo arene to afford benzopyran via microwave method of synthesis.


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Pictograms

FlameCorrosion

Signal Word

Danger

Hazard Codes

Hazard Classifications

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

supp_hazards

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials



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