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Trimethylphenylammonium hydroxide solution

~0.5 M (CH3)3N(OH)C6H5 in methanol, for GC derivatization, LiChropur

Synonym: Phenyltrimethylammonium hydroxide, TMAH

  • CAS Number 1899-02-1

  • Linear Formula (CH3)3N(OH)C6H5

  • Molecular Weight 153.22

  •  Beilstein/REAXYS Number 3917033

  •  MDL number MFCD00041899

  •  PubChem Substance ID 329768356

  •  NACRES NA.22

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Properties

Related Categories Analytical Reagents, Analytical/Chromatography, Derivatization Reagents, Derivatization Reagents GC, Reagents for Alkylation & Esterification More...
Quality Level   100
grade   for GC derivatization
quality   LiChropur
reaction suitability   reagent type: derivatization reagent
reaction type: Esterifications
concentration   ~0.5 M (CH3)3N(OH)C6H5 in methanol
application(s)   gas chromatography (GC): suitable
impurities   ≤0.2% halides (as chloride)
storage temp.   2-8°C
SMILES string   [OH-].C[N+](C)(C)c1ccccc1
InChI   1S/C9H14N.H2O/c1-10(2,3)9-7-5-4-6-8-9;/h4-8H,1-3H3;1H2/q+1;/p-1
InChI key   HADKRTWCOYPCPH-UHFFFAOYSA-M

Description

General description

Trimethylphenylammonium hydroxide (TMAH) is a methylating reagent.

Application

Learn more in the Product Information

Suitable for the derivatization of amino acids, n-methyl and n-aryl carbamates and fatty acids, clonidine, and substituted phenylureas.

TMAH may be used as a 0.1 mole/litre solution in methanol to determine plasma concentrations of carbamazepine and other anticonvulsant drugs, including phenobarbital, diphenylhydantoin, primidone, and mephenytoin using Gas-Liquid Chromatography.

Other Notes

Reagent for n-methyl and methyl esters.

Sales restrictions may apply

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Signal word 
Danger
Target organs 
Eyes
RIDADR 
UN1230 - class 3 - PG 2 - Methanol
WGK Germany 
WGK 3
Flash Point(F) 
51.8 °F - closed cup
Flash Point(C) 
11 °C - closed cup
Protocols & Articles
Peer-Reviewed Papers
15

References

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