Choline
2-hydroxyethyl(trimethyl)azanium, Choline chloride
- CAS
- 62-49-7
- EC
- 200-535-1
- Sectors
- Animal Nutrition, Nutraceuticals & Supplements, Pharma & Healthcare
Choline (CAS 62-49-7) is a vitamin-class nutrient supplied as choline chloride in the form of a viscous alkaline liquid or a dry powder carried on silica or corn cob, and it is used in animal nutrition, nutraceutical supplements and medical nutrition products. Supplied as choline chloride: viscous alkaline liquid, density 1.09 g/mL at 20 °C, refractive index n²⁰/D 1.418, fully miscible in water and alcohol. Available in food-grade and feed-grade specifications; liquid form (70–75% aqueous solution) and dry powder (50–60% active on silica or corn cob).
Typical Properties
| Molecular formula | C5H14NO |
|---|---|
| Molecular weight | 104.17 g/mol |
| Melting point | 302 °C |
| Boiling point | 364.56 °C @ Press: 760 Torr |
| Density | 1.09 g/mL at 20 °C |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Choline
Applications
- Animal Nutrition: prevents fatty liver in poultry, swine, aquaculture premixes.
- Food Fortification: used in infant formula, sports nutrition, functional beverages.
- Nutraceuticals & Supplements: capsules and tablets for brain health, prenatal nutrition.
- Pharma & Healthcare: USP-grade for medical nutrition, label-compliant formulations.
- Personal Care: scalp treatments and conditioners supporting membrane moisturisation.
Safety & Risks
Not classified as hazardous under GHS. Low acute toxicity; handle with standard PPE (gloves, eye protection). Hygroscopic; store in sealed containers in a cool, dry location away from moisture.
Packaging
Available in drums and IBCs (liquid grades) and bulk bags (dry carrier forms); 1–5 kg small-lot options available. Store cool and dry.