Trimethylphenylammonium hydroxide

三甲基苯基氢氧化铵

Also known as: Phenyltrimethylammonium hydroxide, N,N,N-Trimethylanilinium hydroxide, Trimethylanilinium hydroxide, Methelute, PTAH, Trimethylphenylammonium hydroxide solution, Benzenaminium, N,N,N-trimethyl-, hydroxide (1:1), Phenyltrimethylammonium hydroxide (20-25% in methanol), Trimethylphenylammonium hydroxide (TMAH), trimethyl(phenyl)azanium, hydroxide

CAS No.
1899-02-1
Jingsj CID
J-1394812-8
Molecular Formula
C9H15NO
Chinese Name
三甲基苯基氢氧化铵
Molecular Weight
153.221 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point65 °C
Flash Point10 °C

GHS Safety & Compliance

Flammable / Corrosion / Acute Toxicity / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Trimethylphenylammonium hydroxide?

1899-02-1

What are the molecular formula and molecular weight of Trimethylphenylammonium hydroxide?

C9H15NO, molecular weight 153.221 g/mol

Is Trimethylphenylammonium hydroxide hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026