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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

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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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)
Nucleophilic deoxyfluorination of phenols via aryl Fluorosulfonate intermediates.
Schimler SD, et al.
Journal of the American Chemical Society, 139(4), 1452-1455 (2017)
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
Sung-Seen Choi et al.
Journal of chromatography. A, 1218(46), 8443-8455 (2011-10-14)
Amino acid was mixed with silica and tetramethylammonium hydroxide (TMAH) to favor pyrolysis of amino acid monomer. The pyrolysis products formed from amino acid monomer were using GC/MS and GC. 20 amino acids of alanine, arginine, asparagine, aspartic acid, cysteine
Chen-Long Wu et al.
Burns : journal of the International Society for Burn Injuries, 38(7), 1051-1057 (2012-06-16)
To evaluate the role of the chemical burns caused by hydroxide ion in the fatal effects of tetramethylammonium ion (TMA) in dermal exposure to tetramethylammonium hydroxide (TMAH), we conducted a rat study consisting of two-step treatments with dermal exposure to

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