Astaxanthin
- CAS
- 472-61-7
- EC
- 207-451-4
- Food Code
- E161j
- Sectors
- Food & Nutrition, Animal Nutrition, Personal Care & Cosmetics
Astaxanthin (CAS 472-61-7) is a red-orange xanthophyll carotenoid supplied as a powder ranging from pink to very dark purple, used as a feed pigment in aquaculture, a colorant in cosmetics, and an active ingredient in nutraceuticals, and available in natural and synthetic forms. Naturally sourced from microalgae Haematococcus pluvialis, it is available in natural and synthetic forms for industrial applications.
Typical Properties
| Molecular formula | C40H52O4 |
|---|---|
| Molecular weight | 596.84 g/mol |
| Appearance | Drak-Purple Solid |
| Form | powder |
| Color | pink to very dark purple |
| Melting point | 182.5 °C |
| HS code | 29339990 |
| Grades available | Food Grade, Cosmetic Grade, Feed 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.
Astaxanthin
Applications
Used as a feed pigment in aquaculture (salmon, shrimp, and poultry), a colorant in cosmetics, and an active ingredient in nutraceuticals for oxidative stress reduction. Its stability and color strength make it valuable in functional foods and beverages.
Safety & Risks
Non-toxic at recommended use levels but highly sensitive to heat, oxygen, and light; proper stabilization is essential. Handle powders with care to avoid inhalation.
Packaging
Supplied as oleoresin, beadlets, or powders in nitrogen-flushed, light-protected containers. Store refrigerated and sealed to maintain potency.