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Aliphatic and alicyclic building blocks

Choline bitartrate

Also known as Choline tartrate, Choline bitartrate, anhydrous, Choline, tartrate (1:1) salt

CAS 87-67-2Formula C9H19NO7Molar mass 253.25 g/molEC 201-763-4
GHS signal word: Warning. Pictograms: Harmful or irritant 69 suppliers listed
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Choline bitartrate chemical structure, C9H19NO7, CAS 87-67-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
White crystalline powder
Melting point
149 to 153
Solubility
Freely sol in water, slightly sol in alcohol, insol in ether, chloroform and benzene
HS code
291813
Category
Aliphatic and alicyclic building blocks
Illustrative photo, off-white crystalline powder in an HDPE jar on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Choline bitartrate?

Plain description, key identifiers and synonyms

Choline bitartrate is a chemical substance with the molecular formula C9H19NO7 and a molar mass of 253.25 g/mol. Its CAS registry number is 87-67-2. The IUPAC name is 2-hydroxyethyl(trimethyl)azanium, (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-hydroxyethyl(trimethyl)azanium, (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
CAS number
87-67-2 CAS number cross-checked
EC number
201-763-4
Molecular formula
C9H19NO7
UNII
6K2W7T9V6Y
MDL number
MFCD00036332
InChIKey
QWJSAWXRUVVRLH-LREBCSMRSA-M
InChI
InChI=1S/C5H14NO.C4H6O6/c1-6(2,3)4-5-7;5-1(3(7)8)2(6)4(9)10/h7H,4-5H2,1-3H3;1-2,5-6H,(H,7,8)(H,9,10)/q+1;/p-1/t;1-,2-/m.1/s1
Canonical SMILES
C[N+](C)(C)CCO.O=C([O-])C(O)C(O)C(=O)O
Isomeric SMILES
C[N+](C)(C)CCO.[C@@H]([C@H](C(=O)[O-])O)(C(=O)O)O

Synonyms

  • Choline tartrate
  • Choline bitartrate, anhydrous
  • Choline, tartrate (1:1) salt
  • Tartaric acid, ion(1-), choline
  • (2-Hydroxyethyl)trimethylammonium bitartrate
  • (2-Hydroxyethyl)trimethylammonium-L-(+)-tartrate salt (1:1)
  • 2-Hydroxy-N,N,N-trimethylethanaminium 2,3-dihydroxybutanedioate, (R-(R*,R*))-
  • 2-Hydroxyethanaminium,-N,N,N-trimethyl-, (R-(R*,R*))-2,3-dihydroxybutanedioate (1:1)
  • Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, salt with (2R,3R)-2,3-dihydroxybutanedioic acid (1:1)
  • Bitartrate, Choline
  • Butanedioic acid, 2,3-dihydroxy-(R-(R*,R*))-, ion(1-), 2-hydroxy-N,N,N-trimethylethanaminium
  • Choline tartrate (1:1)
  • 2-Hydroxy-N,N,N-trimethylethan-1-aminium (2R,3R)-3-carboxy-2,3-dihydroxypropanoate
  • Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, (2R,3R)-2,3-dihydroxybutanedioate (1:1)
  • Choline hydrogen tartrate
  • Choline, tartrate (1:1)
  • Butanedioic acid, 2,3-dihydroxy- (R-(R*,R*))-, ion(1-), 2-hydroxy-N,N,N-trimethylethanaminium
  • Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, salt with (R-(R*,R*))-2,3-dihydroxybutanedioic acid (1:1)
  • Choline (as bitartrate)
  • 2-hydroxyethyl(trimethyl)azanium, (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
  • Choline (bitartrate) (Standard)
  • Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, salt with (theta-(theta,theta))-2,3-dihydroxybutanedioic acid (1:1)
  • Choline bitartrate, United States Pharmacopeia (USP) Reference Standard
  • 2-hydroxyethyl(trimethyl)ammonium, (2R,3R)-2,3,4-trihydroxy-4-oxo-butanoate

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

Appearance
White crystalline powderexp.
Odour
Odorless or faint trimethylamine-like odorexp.
Taste
Acid tasteexp.
Melting point
149 to 153exp.
Solubility
Freely sol in water, slightly sol in alcohol, insol in ether, chloroform and benzeneexp.

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
253.25 g/molcalc.
Exact mass
253.1162 Dacalc.
LogP (octanol/water)
-3.77calc.
Topological polar surface area
138.1 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
5calc.
Heavy atoms
17calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.78calc.
Formal charge
0calc.
Stereocentres
2calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • 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.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it 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 bitartrate suppliers

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

All 69 suppliers
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Where suppliers are based

69 suppliers in 17 countries

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Choline bitartrate 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

Medicine, dietary supplement, nutrient.

Veterinary medication:.

Functional uses

  • Flavouring and nutrient

How it is made

Reaction of trimethylamine with ethylene oxide followed by treatment with tartaric acid

The dominating industrial process (for choline) is reacting ethylene oxide with trimethylamine and water, or an acid if one of its salts is desired, in a batch or continuous manufacturing process.

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 bitartrate is traded under.

HS 2918.13Indicative HS code

Salts and esters of tartaric acid

World exports in 2024
$85.4M
+8.3% vs 2023, imports $74.8M
2019 to 2024
Top exporters
  1. Spain30.6%
  2. China10.3%
  3. Italy9.5%
Top importers
  1. United States17.7%
  2. South Korea12.0%
  3. Germany10.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Choline bitartrate?

Choline bitartrate is a chemical substance with the molecular formula C9H19NO7 and a molar mass of 253.25 g/mol. Its CAS registry number is 87-67-2. The IUPAC name is 2-hydroxyethyl(trimethyl)azanium, (2R,3R)-2,3,4-trihydroxy-4-oxobutanoate.

What is the CAS number of Choline bitartrate?

The CAS registry number of Choline bitartrate is 87-67-2.

What is the molecular formula and weight of Choline bitartrate?

The molecular formula of Choline bitartrate is C9H19NO7 and its molar mass is 253.25 g/mol.

What is Choline bitartrate used for?

Medicine, dietary supplement, nutrient. Veterinary medication:.

Is Choline bitartrate hazardous?

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

What is the HS code of Choline bitartrate?

Choline bitartrate is usually classified under HS code 291813 (Salts and esters of tartaric acid). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Choline bitartrate?

CompoundList lists 69 suppliers of Choline bitartrate in United States, China, India, Germany and 13 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 bitartrate in India?

11 suppliers in India list Choline bitartrate 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 bitartrate?

Suppliers quote Choline bitartrate 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 bitartrate

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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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