Alpha Linoleic Acid
ALA, Vitamin F, α-Linolenic Acid
- CAS
- 463-40-1
- EC
- 207-334-8
- Sectors
- Food & Nutrition, Nutraceuticals & Supplements, Personal Care & Cosmetics, Animal Nutrition
Alpha Linoleic Acid (CAS 463-40-1) is a plant-derived omega-3 fatty acid supplied as a clear light yellow to yellow liquid, offered in oil or concentrated ester and triglyceride forms, and used in dietary supplements, fortified foods, infant formula, cosmetics and animal feed. Offered as a pale oil or concentrated ester/triglyceride form, ALA supports health-focused formulations and is sourced from established global producers ensuring consistency, purity, and oxidative stability.
Typical Properties
| Molecular formula | C18H30O2 |
|---|---|
| Molecular weight | 278.43 g/mol |
| Appearance | clear light yellow to yellow liquid |
| Form | Liquid |
| Color | Clear colorless to light yellow |
| Odor | faint fatty |
| Melting point | -16.5 °C |
| Boiling point | 147-149 °C @ Press: 0.16 Torr |
| Density | 0.887 g/cm³ (liquid) @ Temp: 15 °C |
| Water solubility | INSOLUBLE |
| Flash point | >230 °F |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 29161500 |
| 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.
Alpha Linoleic Acid
Applications
Used in dietary supplements targeting cardiovascular and wellness benefits; added to infant formula, margarine, and fortified foods; incorporated into cosmetics for skin nourishment and barrier care; used in animal feed programs for omega-3 enrichment; and utilised as an intermediate in pharmaceutical manufacturing.
Safety & Risks
Generally recognised as safe with low toxicity. Oxidation can occur if improperly stored, forming off-flavours or peroxides. May cause digestive discomfort at excessive doses. Handle concentrates with standard PPE and maintain nitrogen protection when possible.
Packaging
Typically packed in 25 kg aluminium containers or 190 kg nitrogen-flushed steel drums. Store cool and protected from light to maintain freshness and stability.