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79266

Trimethylphenylammonium hydroxide solution

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

Synonym(s):

Phenyltrimethylammonium hydroxide, TMAH

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About This Item

Linear Formula:
(CH3)3N(OH)C6H5
CAS Number:
1899-02-1
Molecular Weight:
153.22
UNSPSC Code:
41115710
NACRES:
NA.22
PubChem Substance ID:
329768356
MDL number:
MFCD00041899
Beilstein/REAXYS Number:
3917033
Concentration:
~0.5 M (CH3)3N(OH)C6H5 in methanol
Form:
liquid
Grade:
derivatization grade (GC derivatization)
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grade

derivatization grade (GC derivatization)

Quality Segment

form

liquid

quality

LiChropur™

reaction suitability

reagent type: derivatization reagent
reaction type: Esterifications

concentration

~0.5 M (CH3)3N(OH)C6H5 in methanol

technique(s)

HPLC: suitable, LC/MS: suitable, gas chromatography (GC): suitable, ion chromatography: 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

General description

Trimethylphenylammonium hydroxide (TMAH) is a methylating reagent.

Application

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.
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.

Other Notes

Reagent for n-methyl and methyl esters.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Sales restrictions may apply

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Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 1

Target Organs

Eyes

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

51.8 °F - closed cup

Flash Point (°C)

11 °C - closed cup

PPE (personal protective equipment)

Faceshields, Gloves, Goggles

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