Pigments & Colorants
REACH
Capsorubin
CAS Number
470-38-2
EC Number
207-425-2
What is Capsorubin?
Capsorubin (CAS 470-38-2) is a red ketocarotenoid pigment extracted primarily from red peppers.
Where is Capsorubin used?
- Food: deep red hues in processed meats, sauces, seasonings and dairy products
- Cosmetics: natural-origin red pigmentation with antioxidant function in lipsticks, blushes and skin-care products
- Nutraceuticals: carotenoid content in capsules and dietary supplements
- It supports clean-label reformulation in food and personal care.
Good to know: Material is commonly offered alongside capsanthin as part of a mixed paprika carotenoid fraction. Specifications are aligned with food additive requirements in relevant markets.
Commercial specifications
- Food-grade quality, concentration standardized by carotenoid content
- FCC and USP standards for purity and performance
Other Names (Synonyms)
(3S,5R,3'S,5'R)-3,3'-dihydroxy-kappa,kappa-carotene-6,6'-dione|805VAB3L0H|(3S,3'S,5R,5'R)-3,3'-Dihydroxy-kappa,kappa-carotene-6,6'-dione|RefChem:123335|κ,κ-Carotene-6,6′-dione, 3,3′-dihydroxy-, (3S,3′S,5R,5′R)-|(3S,3′S,5R,5′R)-3,3′-Dihydroxy-κ,κ-carotene-6,6′-dione|Capsorubin, all-trans-
What are the physical properties of Capsorubin?
Melting Point 214-216 °C
Boiling Point 741.8±60.0 °C(Predicted)
Density 1.016±0.06 g/cm3(Predicted)
Form A solid
Log P 7.970 (est)