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Key Documents

324868

Sigma-Aldrich

Potassium trimethylsilanolate

90%, technical grade

Synonym(s):

Trimethylsilanol potassium salt

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About This Item

Linear Formula:
(CH3)3SiOK
CAS Number:
Molecular Weight:
128.29
Beilstein:
3560282
EC Number:
MDL number:
UNSPSC Code:
12352302
PubChem Substance ID:
NACRES:
NA.22

grade

technical grade

Quality Level

Assay

90%

mp

135-138 °C (lit.)

SMILES string

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

InChI

1S/C3H9OSi.K/c1-5(2,3)4;/h1-3H3;/q-1;+1

InChI key

LBKJNHPKYFYCLL-UHFFFAOYSA-N

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Application

Potassium trimethylsilanolate can be used as a reagent in the:
  • Hydrolysis of nitriles to primary amides.
  • Conversion of esters to carboxylic acids, and dialkyl phosphonates to their monoalkyl phosphonates.
  • Synthesis of E-alkenes, and nitrocefin.


It can also be used as a coupling promoter in cross-coupling reaction of aliphatic alkynylsilanols with aryl iodides.

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A practical synthesis of nitrocefin
Lee M, et al.
The Journal of Organic Chemistry, 70(1), 367-369 (2005)
Cross-coupling of alkynylsilanols with aryl halides promoted by potassium trimethylsilanolate
Denmark SE and Tymonko SA
The Journal of Organic Chemistry, 68(23), 9151-9154 (2003)
Tetrahedron Letters, 25, 5831-5831 (1984)
Potassium trimethylsilanolate-mediated conversion of dialkyl phosphonates to their anhydrous potassium monoalkyl phosphonates under mild, non-aqueous conditions
Dziemidowicz J, et al.
Synthesis, 2005(04), 569-574 (2005)
Potassium trimethylsilanolate mediated hydrolysis of nitriles to primary amides
Merchant KJ
Tetrahedron Letters, 41(19), 3747-3749 (2000)

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