Choline Hydroxide

Also known as: (2-HYDROXYETHYL)TRIMETHYLAMMONIUM HYDROXIDE, 2-Hydroxy-N,N,N-trimethylethanaminium hydroxide, 2-Hydroxyethyltrimethylammonium Hydroxide, 2-hydroxy-n,n,n-trimethyl-ethanaminiuhydroxide, Bursine, CHOLINE, CHOLINE BASE, CHOLINE HYDROXIDE, Choline hydroxide, EINECS 204-625-1, Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, hydroxide (1:1), Fagine, Gossypine, Luridine, MFCD00002831, Sincaline, UNII:7THJ3EG9SY, VIDINE, bursine, choline,solution

Choline Hydroxide (CAS 123-41-1) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C5H15NO2 and a molecular weight of 121.178 g/mol. Key properties include a density of 1.09 g/mL at 20 °C and a flash point of 33.3 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.: 123-41-1
Jingsj CID: J-54206-7
Molecular Formula: C₅H₁₅NO₂
Molecular Weight: 121.178 g/mol
Category: Organic Bases
Last updated: 11/2/2026

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Physicochemical Properties

Density	1.09 g/mL at 20 °C
Flash Point	33.3 °C
Exact Mass	121.110275
PSA	43.29000
Refractive Index	n20/D 1.4304
Storage Conditions	2-8°C
Additional Property	miscible

Activity & Biological Data

Additional Information	[1]. Mitchell P, et al. Estimation of membrane potential and pH difference across the cristae membrane of rat liver mitochondria. Eur J Biochem. 1969 Feb;7(4):471-84. [2]. Ding Y, et al. An ionic liquid-reverse micelle drug delivery system for epidermal desensitization therapy and its preparation method and application: China, CN113975224. 2022-01-28. [3]. Wang F, et al. Short communication: Effects of dietary deoiled soy lecithin supplementation on circulating choline and choline metabolites, and the plasma phospholipid profile in Holstein cows fed palm fat. J Dairy Sci. 2021 Feb;104(2):1838-1845.

Additional Information

[1]. Mitchell P, et al. Estimation of membrane potential and pH difference across the cristae membrane of rat liver mitochondria. Eur J Biochem. 1969 Feb;7(4):471-84. [2]. Ding Y, et al. An ionic liquid-reverse micelle drug delivery system for epidermal desensitization therapy and its preparation method and application: China, CN113975224. 2022-01-28. [3]. Wang F, et al. Short communication: Effects of dietary deoiled soy lecithin supplementation on circulating choline and choline metabolites, and the plasma phospholipid profile in Holstein cows fed palm fat. J Dairy Sci. 2021 Feb;104(2):1838-1845.

Customs & Trade Information

HS Code	2923900090
Summary	2923900090 other quaternary ammonium salts and hydroxides。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Choline Hydroxide?

The CAS number of Choline Hydroxide is 123-41-1.

What are the molecular formula and molecular weight of Choline Hydroxide?

Choline Hydroxide has molecular formula C5H15NO2 and molecular weight 121.178 g/mol.

What are the upstream and downstream products of Choline Hydroxide?

For Choline Hydroxide, Upstream Products: Ethylene oxide, Trimethylamine, Choline iodide; Downstream Products: Ethylene glycol, Trimethylamine, N,N-Dimethylethanolamine.

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

Last updated: 11/2/2026

How to cite: Jingsj. "Choline Hydroxide (CAS 123-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-54206-7 (accessed 2026-11-06).

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