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Amines and amides

Choline, hydroxide

Also known as Choline hydroxide, Gossypine, Luridine

CAS 123-41-1Formula C5H15NO2Molar mass 121.18 g/molEC 204-625-1
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Serious health hazard 69 suppliers listed
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Choline, hydroxide chemical structure, C5H15NO2, CAS 123-41-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
123-41-1
Formula
C5H15NO2
Molar mass
121.18 g/mol
Physical form
Liquid
HS code
292310
Category
Amines and amides
Illustrative photo, closed blue steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Choline, hydroxide?

Plain description, key identifiers and synonyms

Choline, hydroxide is a chemical substance with the molecular formula C5H15NO2 and a molar mass of 121.18 g/mol. Its CAS registry number is 123-41-1. The IUPAC name is 2-hydroxyethyl(trimethyl)azanium hydroxide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxyethyl(trimethyl)azanium hydroxide
CAS number
123-41-1 CAS number cross-checked
EC number
204-625-1
Molecular formula
C5H15NO2
UNII
7THJ3EG9SY
MDL number
MFCD00002831
InChIKey
KIZQNNOULOCVDM-UHFFFAOYSA-M
InChI
InChI=1S/C5H14NO.H2O/c1-6(2,3)4-5-7;/h7H,4-5H2,1-3H3;1H2/q+1;/p-1
SMILES (canonical and isomeric)
C[N+](C)(C)CCO.[OH-]

Synonyms

  • Choline hydroxide
  • Gossypine
  • Luridine
  • 2-Hydroxy-N,N,N-trimethylethanaminium hydroxide
  • Sinkalin
  • Sinkaline
  • (2-Hydroxyethyl)trimethylammonium hydroxide
  • Trimethyl(2-hydroxyethyl)ammonium hydroxide
  • Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, hydroxide
  • (beta-Hydroxyethyl)trimethylammonium hydroxide
  • Hydroxide, Choline
  • Sincaline
  • Bursine
  • Fagine
  • Vidine
  • Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, hydroxide (1:1)
  • 2-Hydroxyethyltrimethylammonium Hydroxide
  • Choline (hydroxide)
  • Choline hydroxide, 46 wt.% in water
  • 2-hydroxyethyl trimethylammonium hydroxide
  • 2-hydroxyethyl(trimethyl)azanium, hydroxide
  • 2-Hydroxy-N,N,N-trimethylethanaminium hydroxide (48-50% in Water)
  • Fagine, Gossypine, Luridine, Sincaline, Vidine
  • Cholinum
  • Bilineurine hydroxide
Show all 35 synonyms
  • Choline (47-50% in Water)
  • Choline (48-50% in Water)
  • Boc-O-2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-1-butane
  • Choline hydroxide, 50% in water
  • trimethyl(hydroxyethyl)ammonium hydroxide
  • (2-hydroxyethyl)trimethylazanium hydroxide
  • 2-hydroxyethyl(trimethyl)ammonium, hydroxide
  • beta-hydroxyethyltrimethylammonium hydroxide
  • Choline hydroxide solution,46 wt. % in H2O
  • 2-Hydroxy-N,N,N-trimethylethanaminiumhydroxide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Physical form
Liquidexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
121.18 g/molcalc.
Exact mass
121.1103 Dacalc.
LogP (octanol/water)
-0.49calc.
Topological polar surface area
50.23 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (18)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Choline, hydroxide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 69 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

69 suppliers in 14 countries

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Choline, hydroxide price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Industrial uses: Plating agent, pH regulating agent, Solids separation, Intermediate.

Consumer uses: Solids separation, Intermediate.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Choline, hydroxide is traded under.

HS 2923.10Indicative HS code

Choline and its salts

World exports in 2024
$230M
−6.6% vs 2023, imports $332M
2019 to 2024
Top exporters
  1. China53.1%
  2. Belgium18.3%
  3. United States9.7%
Top importers
  1. South Korea23.6%
  2. Argentina7.3%
  3. United States7.0%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Choline, hydroxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Choline, hydroxide, based on the data on this page

What is Choline, hydroxide?

Choline, hydroxide is a chemical substance with the molecular formula C5H15NO2 and a molar mass of 121.18 g/mol. Its CAS registry number is 123-41-1. The IUPAC name is 2-hydroxyethyl(trimethyl)azanium hydroxide.

What is the CAS number of Choline, hydroxide?

The CAS registry number of Choline, hydroxide is 123-41-1.

What is the molecular formula and weight of Choline, hydroxide?

The molecular formula of Choline, hydroxide is C5H15NO2 and its molar mass is 121.18 g/mol.

What is Choline, hydroxide used for?

Industrial uses: Plating agent, pH regulating agent, Solids separation, Intermediate. Consumer uses: Solids separation, Intermediate.

Is Choline, hydroxide hazardous?

Choline, hydroxide carries the GHS signal word "Danger". Main hazards: causes severe skin burns and eye damage, causes serious eye damage, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Choline, hydroxide?

Choline, hydroxide is usually classified under HS code 292310 (Choline and its salts). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Choline, hydroxide?

CompoundList lists 69 suppliers of Choline, hydroxide in United States, China, Germany, United Kingdom and 10 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Choline, hydroxide in India?

3 suppliers in India list Choline, hydroxide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Choline, hydroxide?

Suppliers quote Choline, hydroxide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Choline, hydroxide

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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