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IUPAC name (2E,4E,6E,8E,10E,12E,14E)-2,6,11,15-Tetramethyl-2,4,6,8,10,12,14-hexadecaheptaenedioic acid
Other names 8,8'-Diapocarotenedioic acid
CAS number 27876-94-4
PubChem 5281232
SMILES C\C(=C/C=C/C=C(\C)/C=C/C=C(\C)/C(=O)O)\C=C\C=C(/C)\C(=O)O
Molecular formula C20H24O4
Molar mass 328.402 g/mol
Appearance Red solid
Melting point

285 °C, 558 K, 545 °F

Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Crocetin is a natural carotenoid dicarboxylic acid that is found in the crocus flower. It forms brick red crystals with a melting point of 285 °C.

The chemical structure of crocetin is the central core of crocin, the compound responsible for the color of saffron.


  1. ^ Merck Index, 11th Edition, 2592.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Crocetin". A list of authors is available in Wikipedia.
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