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459135

Sigma-Aldrich

Tetramethylammonium fluoride

97%

Synonym(s):

TMAF

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About This Item

Linear Formula:
(CH3)4NF
CAS Number:
Molecular Weight:
93.14
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

97%

form

solid

mp

170 °C (dec.) (lit.)

SMILES string

[F-].C[N+](C)(C)C

InChI

1S/C4H12N.FH/c1-5(2,3)4;/h1-4H3;1H/q+1;/p-1

InChI key

GTDKXDWWMOMSFL-UHFFFAOYSA-M

Application

Reactant for:
  • Halide-induced ring opening of 2-substituted aziridinium salts
  • Synthesis of fluoro aromatics via fluorodenitration reactions
  • Synthesis of sevoflurane in ionic liquids by halogen-exchange fluorination
  • Synthesis of fluorinated Poly(oxomolybdates)
Tetramethylammonium fluoride may be used in combination with sulfuryl fluoride for the conversion of aryl phenols to aryl fluorides. It can react with aminosilanes to generate onium amide bases in situ, which can deprotonate heteroarenes.
Useful for halogen exchange.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Nucleophilic deoxyfluorination of phenols via aryl Fluorosulfonate intermediates.
Schimler SD, et al.
Journal of the American Chemical Society, 139(4), 1452-1455 (2017)
Use of tetramethylammonium fluoride (TMAF) and alkali metal alkoxides as an activator for catalytic deprotonative functionalization of heteroaromatic C (sp2)?H bonds.
Inamoto K, et al.
Tetrahedron, 70(43), 7917-7922 (2014)
Martin-Louis Y Riu et al.
Science advances, 6(13), eaaz3168-eaaz3168 (2020-04-02)
This exploratory synthesis investigation was undertaken to determine the viability of replacing a single carbon vertex with another p-block element in a highly strained tetrahedrane molecule. Phosphorus was selected for this purpose because the stable molecular form of elemental phosphorus
Yasuyuki Ishida et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 27(10), 1053-1056 (2011-10-12)
Thermochemolysis-gas chromatography in the presence of tetramethylammonium acetate was applied to the direct determination of terephthalic acid (TPA) contained in solid decomposition products obtained from the hydrothermal recycling process of poly(ethylene terephthalate) (PET). On the chromatograms of the hydrothermal decomposition
Mei Fang et al.
Nanotechnology, 23(14), 145601-145601 (2012-03-22)
Magnetite nanoparticles have been prepared by co-precipitation using a custom-designed jet mixer to achieve rapid mixing (RM) of reactants in a timescale of milliseconds. The quick and stable nucleation obtained allows control of the particle size and size distribution via

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