rubixanthin

CAS No. 3763-55-1

Formula: C40H56O
Basic Info

Rubixanthin, or natural yellow 27, is a natural xanthophyll pigment with a red-orange color found in rose hips. As a food additive it used under the E number E161d as a food coloring; it is not approved for use in the USA or EU but is approved in Australia and New Zealand where it is listed as 161d.

Formula
C40H56O
Molecular Weight
552.872
Exact Mass
552.433
LogP
11.7427
PSA
20.23
Synonyms

Rubixanthin

?E161d

?Natural yellow 27

β,ψ-Caroten-3-ol, (3R)-

(1R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E,19E)-3,7,12,16,20,24-hexamethylpentacosa-1,3,5,7,9,11,13,15,17,19,23-undecaenyl]-3,5,5-trimethylcyclohex-3-en-1-ol

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Properties
Density
0.946g/cm3
Boiling Point
685.7ºC at 760mmHg
Flash Point
295.5ºC
Refractive Index
1.556

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