Triethylammonium acetate

三乙基乙酸铵

Also known as: TEAA, Acetic acid - triethylamine solution 1:1, Acetic acid - triethylamine solution 2:1, Acetic acid, compd. with N,N-diethylethanamine (1:1), Acetic acid·triethylamine, Triethylamine acetate, Triethylamine monoacetate, Triethylammonium acetate solution, Triethylammonium acetate buffer, Buffer solution 1 M pH 7.0 (volatile), Ethanamine, N,N-diethyl-, acetate

Triethylammonium acetate (CAS 5204-74-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H19NO2 and a molecular weight of 161.24200 g/mol. It is also known as TEAA, Acetic acid - triethylamine solution 1:1 and Acetic acid - triethylamine solution 2:1. Key properties include a melting point of -114.7ºC, a boiling point of 90.5ºC at 760 mmHg, a density of 1.010 g/mL at 20ºC and a flash point of 98.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5204-74-0
Jingsj CID
J-1013679-7
Molecular Formula
C8H19NO2
Chinese Name
三乙基乙酸铵
Molecular Weight
161.24200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-114.7ºC
Boiling Point90.5ºC at 760 mmHg
Density1.010 g/mL at 20ºC
Flash Point98.4ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Triethylammonium acetate?

The CAS number of Triethylammonium acetate is 5204-74-0.

What are the molecular formula and molecular weight of Triethylammonium acetate?

Triethylammonium acetate has molecular formula C8H19NO2 and molecular weight 161.24200 g/mol.

Is Triethylammonium acetate hazardous?

Triethylammonium acetate has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Triethylammonium acetate (CAS 5204-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1013679-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.