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Merck
CN

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:
Molecular Weight:
153.22
UNSPSC Code:
41115710
NACRES:
NA.22
PubChem Substance ID:
MDL number:
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 Level

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)

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

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.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Disclaimer

Sales restrictions may apply


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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

Faceshields, Gloves, Goggles

Regulatory Information

危险化学品

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This study aimed to design formulations of hydrophobic herbicides, alachlor and metolachlor, by adsorbing them on the clay mineral montmorillonite preadsorbed by the small organic cation phenyltrimethylammonium (PTMA). An adsorption model that considers electrostatics and specific binding and the possibility



Global Trade Item Number

SKUGTIN
79266-1ML-KC04061838003362
79266-10ML04061838196590
79266-50ML04061838203397
79266-10X1ML04061838196606