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Lutein #127-40-2

Lutein #127-40-2
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Product Parameters

Lutein has the characteristics of "natural", "nutritious" and "multifunctional", and can be widely used in food, health products, cosmetics, pharmaceuticals and feed additives.
Uses
As a dietary carotenoid, it does not have the efficacy of vitamin A. It increases the pigment concentration of macula in the eyes and may improve eyesight.

PropertyValue
Melting Point195 °C
Specific Rotation18Cd +165° (c = 0.7 in benzene)
Boiling Point572.66°C (rough estimate)
Density0.9944 (rough estimate)
Refractive Indexn20/D1.361-1.363
Flash Point269.1±27.5 °C
Storage Condition-20°C
SolubilityChloroform (slightly soluble), Dichloromethane (slightly soluble), Methanol (slightly soluble, heated, ultrasonicated)
pKa14.61±0.70(Predicted)
FormSolid
ColorRed to deep red
Optical Rotation[α] 656.3 +16220 (c 0.2, CHCl3)
Biological Sourcerabbit
Maximum Wavelength (λmax)λ: 441-451 nm Amax
Merck13,10120
BRN2068547
StabilitySensitive to light and temperature
InChIKeyK BPHJBAIARWVSC-RGZRNHPSA-N
LogP11.524 (est)
CAS Database127-40-2(CAS DataBase Reference)
EPA Chemistry Info.beta.,.epsilon.-Carotene-3,3'-diol, (3R,3'R,6'R)- (127-40-2)


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