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2-(trimethylammonio)octadecanoate

Also known as: CETYL BETAINE, Cetyl betaine, 1-Heptadecanaminium,1-carboxy-N,N,N-trimethyl-,inner salt, 1-Heptadecanaminium,1-carboxy-N,N,N-trimethyl-,hydroxide,inner salt, 1-Carboxylato-N,N,N-trimethyl-1-heptadecanaminium, 2-(trimethylammonio)stearate, 2-(trimethylazaniumyl)octadecanoate, EINECS 202-515-8

2-(trimethylammonio)octadecanoate (CAS 96-56-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H43NO2 and a molecular weight of 341.57200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96-56-0
Jingsj CID
J-1388262-7
Molecular Formula
C21H43NO2
Molecular Weight
341.57200 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass341.32900
PSA40.13000
LogP4.68250

Frequently Asked Questions

What is the CAS number of 2-(trimethylammonio)octadecanoate?

The CAS number of 2-(trimethylammonio)octadecanoate is 96-56-0.

What are the molecular formula and molecular weight of 2-(trimethylammonio)octadecanoate?

2-(trimethylammonio)octadecanoate has molecular formula C21H43NO2 and molecular weight 341.57200 g/mol.

What are the upstream and downstream products of 2-(trimethylammonio)octadecanoate?

For 2-(trimethylammonio)octadecanoate, Upstream Products: 2-bromooctadecanoic acid, Trimethylamine.

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

Last updated:

How to cite: Jingsj. "2-(trimethylammonio)octadecanoate (CAS 96-56-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1388262-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.