Zeaxanthin
β-Carotene-3,3′-diol, (3R,3′R)-all-trans-, β,β-Carotene-3,3′-diol, β,β-Carotene-3,3′-diol, (3R,3′R)-, (3R,3'R)-BETA,BETA-CAROTEN-3,3'-DIOL
- CAS
- 144-68-3
- EC
- 205-636-4
- Sectors
- Nutraceuticals & Supplements, Food & Nutrition
Zeaxanthin (CAS 144-68-3) is a naturally occurring xanthophyll carotenoid of the β,β-carotene series, supplied as a yellow crystalline solid that ranges in color from light orange to very dark red, and it serves as a pigment and antioxidant ingredient in nutraceutical, food and feed applications. Estimated density 0.9944 g/cm³, melting point 215.5 °C, estimated boiling point 572.66 °C. It is sparingly soluble in water and soluble in organic solvents and oils.
Typical Properties
| Molecular formula | C40H56O2 |
|---|---|
| Molecular weight | 568.87 g/mol |
| Appearance | Yellow Crystalline Solid |
| Form | neat |
| Color | Light Orange to Very Dark Red |
| Odor | Special Odor |
| Melting point | 215.5 °C |
| HS code | 29062990 |
| 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.
Zeaxanthin
Applications
- Nutraceuticals & supplements: antioxidant carotenoid in softgels, tablets, capsules
- Food & beverage: natural yellow-orange colourant and antioxidant
- Animal feed: pigmentation and antioxidant support in poultry, aquaculture
- Cosmetics: antioxidant carotenoid active in topical formulations
- Functional food fortification: boosts carotenoid content in fortified foods
Safety & Risks
Not classified under GHS; low acute hazard. Handle with standard PPE (gloves, eye protection). Light- and heat-sensitive; avoid prolonged exposure to air and moisture. No major handling risks identified.
Packaging
Supplied in 25 kg drums or cartons; 1–5 kg small-lot options available. Store cool, dry, and away from light.