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IUPAC name (4E)-3,5,5-Trimethyl-4--1-cyclohex-2-enone | |
Other names
•4',5'-Didehydro-retro-β-carotene-3,3'-dione •E161f | |
Identifiers | |
CAS Number | |
3D model (JSmol) | |
E number | E161f (colours) |
PubChem CID | |
CompTox Dashboard (EPA) | |
SMILES
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Properties | |
Chemical formula | C40H50O2 |
Molar mass | 562.82 g/mol |
Appearance | Purple crystals |
Melting point | 219 °C |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references |
Rhodoxanthin is a xanthophyll pigment with a purple color that is found in small quantities in a variety plants including Taxus baccata. It is also found in the feathers of some birds. As a food additive it is used under the E number E161f as a food coloring.
References
- ^ Merck Index, 11th Edition, 8196.
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