| Citranaxanthin | |
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(3E,5E,7E,9E,11E,13E,15E,17E,19E)-5,9,14,18-Tetramethyl-20-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3,5,7,9,11,13,15,17,19-eicosanonaen-2-one |
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Other names
E161i |
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| Identifiers | |
| CAS number | 3604-90-8 |
| ChemSpider | 21171932 |
| Jmol-3D images | Image 1 |
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| Properties | |
| Molecular formula | C33H44O |
| Molar mass | 456.7 g mol−1 |
| Appearance | Deep violet crystals |
| Solubility in water | Insoluble |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Citranaxanthin is a carotenoid pigment used as a food additive under the E number E161i as a food coloring. There are natural sources of citranaxanthin, but it is generally prepared synthetically.[1] It is used as an animal feed additive to impart a yellow color to chicken fat and egg yolks.[2]
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