Choline Bitartrate

CAS Number
87-67-2
EC Number
201-763-4
Chemical Formula
C5H14NO.C4H5O6
Molecular Weight
253.25 g/mol

Description

Choline bitartrate (CAS 87-67-2), also known as choline hydrogen tartrate, is the tartaric acid salt form of choline used to deliver bioavailable choline in nutritional and pharmaceutical applications. It functions as a stable, solid-form choline source preferred over more hygroscopic alternatives in dry formulations. Choline tartrate is the form most commonly referenced in bulk ingredient sourcing and manufacturing.

In dietary supplements, it serves as the active choline source in capsules, tablets, and powdered blends targeting cognitive and liver health support. Food manufacturers incorporate it into functional foods and fortified products. Pharmaceutical formulators use it in solid oral dosage forms where consistent choline content and low moisture uptake are critical to product stability. This ensures long-term efficacy in various medical applications.

In personal care, its humectant and emulsifying properties support use in skin conditioning formulations and leave-on products. It provides versatile benefits across multiple industrial and consumer sectors. Choline bitartrate is supplied as a white crystalline powder in both standard and anhydrous grades. Common specifications include USP, FCC, and food-grade, with BP and Ph. Eur. grades available.

Bulk packaging typically ranges from kilogram quantities up to multi-tonne lots to accommodate both R&D and commercial-scale production. This flexibility meets the needs of diverse global supply chains.

Other Names (Synonyms)

choline hydrogen tartrate|Choline tartrate|Choline bitartrate, anhydrous|Choline, tartrate (1:1) salt|Tartaric acid, ion(1-), choline|6K2W7T9V6Y|(2-Hydroxyethyl)trimethylammonium bitartrate|(2-Hydroxyethyl)trimethylammonium-L-(+)-tartrate salt (1:1)

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

Melting Point 56 °C
Boiling Point 399.3 °C
Density 1.47 g/cm3
Flash Point 209.4 °C
Appearance White cryst. powder
Color White to Off-White
Odor odorless or lt. trimethylamine odor
Form Solid
Water Solubility Soluble in alcohol and slightly soluble in water.
pH 3.0-4.4 (50g/l, H2O, 20°C)
Log P -1.426 (est)

Documentation

Safety & Handling Learn More

Warning
GHS07· Irritant

Hazard Statements

H315 Causes skin irritation
H319 Causes serious eye irritation
H335 May cause respiratory irritation

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Trade & Regulatory

HS Code 29231000
WGK (Germany) 3
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