Choline

CAS Number
62-49-7
EC Number
200-535-1
FEMA Number
FEMA 4500

What is Choline?

Choline (CAS 62-49-7) is a water-soluble nutrient compound of the B-vitamin family, supplied commercially as its stabilized salt, choline chloride.

Where is Choline used?

  • Food and beverage: nutritional fortifier in infant formula, sports nutrition and functional beverages
  • Animal feed: in poultry, swine and aquaculture premixes to support liver function and prevent fatty liver syndrome
  • Pharmaceutical and nutraceutical: dietary supplements and capsules for brain health and prenatal nutrition
  • Personal care: scalp treatments and conditioning formulations for membrane integrity and moisturization
  • It acts as a methyl donor and lipid transport agent.

Good to know: Feed-grade material is the highest-volume specification; food-grade and USP-grade variants serve supplement and pharmaceutical applications.

Commercial specifications

  • 70–75% aqueous solution
  • Dry powder adsorbed onto silica or corn cob carriers at 50–60% active content
  • Packaging: drums and IBCs for liquid grades, bulk bags for dry carrier-based forms

Other Names (Synonyms)

2-hydroxyethyl(trimethyl)azanium|Choline chloride

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What are the physical properties of Choline?

Melting Point 302 °C
Boiling Point 364.56 °C @ Press: 760 Torr
Density 1.09 g/mL at 20 °C
Appearance Viscous, alkaline liquid. Soluble in water and alcohol. Amounts are expressed in milligrams of choline.
Refractive Index n 20/D 1.418

How is Choline classified and handled safely? Learn More

Danger
GHS02· Flammable GHS05· Corrosive GHS08· Health Hazard

Which trade and regulatory codes apply to Choline?

UN Number 3286
ADR Class 3
Packing Group II
WGK (Germany) 1
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