China Factory Supply Natural Marigold Extract Powder Lutein Cws Powder 10% Lutein Powder CAS 127-40-2 with Best Price, Find details about China Cosmetic Raw Materials, Plant Extract from Factory Supply Natural Marigold Extract Powder Lutein Cws Powder 10% Lutein Powder CAS 127-40-2 with Best Price
Melting point | 195 °C |
alpha | 18Cd +165° (c = 0.7 in benzene) |
Boiling point | 572.66°C (rough estimate) |
density | 0.9944 (rough estimate) |
refractive index | n20/D1.361-1.363 |
Fp | 269.1±27.5 °C |
storage temp. | −70°C |
pka | 14.61±0.70(Predicted) |
λmax | λ: 441-451 nm Amax |