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| CAS No.: | 127-40-2 |
|---|---|
| Name: | Xanthophyll |
| Molecular Structure: | |
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|
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| Formula: | C40H56O2 |
| Molecular Weight: | 568.883 |
| Synonyms: | (3R,3'R,6'R)-Lutein;(all-E)-Lutein;6'-Hydro-4',5'-dehydro-β-carotene-3,3'-diol;Bo-Xan;E 161;E 161b;FloraGLO;FloraGLO Lutein;OS 24;Oro Glo 7;Vegetable lutein;Vegetable luteol;Xanthophyll;all-trans-(+)-Xanthophyll;all-trans-Lutein;all-trans-Xanthophyll;trans-Lutein;Lutein extract;Lutein;Marigold Flower Extract; |
| EINECS: | 204-840-0 |
| Density: | 1.004 g/cm3 |
| Melting Point: | 183 °C |
| Boiling Point: | 702.266 °C at 760 mmHg |
| Flash Point: | 269.068 °C |
| Appearance: | Orange powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 40.46000 |
| LogP: | 10.40330 |
lutein
| Conditions | Yield |
|---|---|
| Stage #1: marigold oleoresin With INDION 860 In butan-1-ol at 50℃; for 2h; Stage #2: With sodium hydroxide; tetrabutylammomium bromide In butan-1-ol at 50℃; for 1h; Product distribution / selectivity; | 94% |
| With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In butan-1-ol at 45 - 50℃; for 0.5h; Product distribution / selectivity; | 91% |
| With sodium hydroxide; tetrabutylammomium bromide In butan-1-ol at 45 - 50℃; for 0.5h; Product distribution / selectivity; | 90% |
| With potassium hydroxide Product distribution / selectivity; | |
| Stage #1: marigold oleoresin With ion exchange resin In butan-1-ol at 50℃; for 2h; Stage #2: With sodium hydroxide; tetra(n-butyl)ammonium hydrogensulfate In butan-1-ol at 50℃; for 1h; Product distribution / selectivity; |
lutein
| Conditions | Yield |
|---|---|
| With potassium hydroxide In dichloromethane; water; isopropyl alcohol Ambient temperature; | 25% |
(3R,6'R)-3-hydroxy-β,ε-caroten-3'-one
B
lutein
| Conditions | Yield |
|---|---|
| With sodium tetrahydroborate In tetrahydrofuran; water at 0℃; | |
| With sodium tetrahydroborate | A 1.8 mg B 2.0 mg |
4',5'-didehydro-4,5'-retro-β,β-carotene-3,3'-dione
A
zeaxanthin
B
lutein
C
(3R,3'S,6'R)-lutein
| Conditions | Yield |
|---|---|
| With tellurium; sodium tetrahydroborate In carbon disulfide; ethanol at 40℃; for 0.333333h; Title compound not separated from byproducts; | A 24 % Chromat. B 44 % Chromat. C 31 % Chromat. |
| With tellurium; sodium tetrahydroborate In carbon disulfide; ethanol at 40℃; for 0.333333h; | A 24 % Chromat. B 44 % Chromat. C 31 % Chromat. |
lutein
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: ethyl acetate / Ambient temperature 2: NaCl / CH2Cl2 3: 25 percent / 50percent KOH / CH2Cl2; H2O; propan-2-ol / Ambient temperature View Scheme |
lutein
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1: 48percent Bromwasserstoffsaeure / diethyl ether; H2O / -15 - -12 °C 2: ethyl acetate / Ambient temperature 3: NaCl / CH2Cl2 4: 25 percent / 50percent KOH / CH2Cl2; H2O; propan-2-ol / Ambient temperature View Scheme |
lutein
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: NaCl / CH2Cl2 2: 25 percent / 50percent KOH / CH2Cl2; H2O; propan-2-ol / Ambient temperature View Scheme |
| Conditions | Yield |
|---|---|
| With potassium hydroxide; water In ethanol at 73 - 75℃; for 0.5h; Product distribution / selectivity; |
3,3'-dioxo-trans-α-carotene
lutein
| Conditions | Yield |
|---|---|
| With sodium borohydrid In methanol; dichloromethane |
lutein
| Conditions | Yield |
|---|---|
| In ethyl acetate for 4h; Inert atmosphere; Reflux; optical yield given as %de; | 0.296 g |
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Molecular Formula: C40H56O2
Molecular Weight: 568.87 g/mol
EINECS: 204-840-0
Index of Refraction: 1.582
Density: 1.004 g/cm3
Flash Point: 269 °C
Enthalpy of Vaporization: 117.48 kJ/mol
Boiling Point: 702.3 °C at 760 mmHg
Vapour Pressure: 8.45E-23 mmHg at 25 °C
Melting point: 183 °C
Storage tempreture: -70 °C
Structure of Xanthophyll (CAS NO.127-40-2):
IUPAC Name: (1R,4R)-4-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4R)-4-Hydroxy-2,6,6-trimethylcyclohexen-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-3,5,5-trimethylcyclohex-2-en-1-ol
Product Category of Xanthophyll (CAS NO.127-40-2): Carotenoids;Natural Plant Extract
Lutein (CAS NO.127-40-2) is one of over 600 known naturally occurring carotenoids. Found in green leafy vegetables such as spinach and kale, it is employed by organisms as an antioxidant and for blue light absorption.
Xanthophyll (CAS NO.127-40-2) has primarily been used as a natural colorant due to its orange-red color. And it was traditionally used in chicken feed to provide the yellow color of broiler chicken skin.
Hazard Codes: 
Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S37/39:Wear suitable gloves and eye/face protection.
Xanthophyll , its cas register number is 127-40-2. It also can be called Xanthophyll ; and alpha-Carotene-3,3'-diol . Its market is segmented into pharmaceutical, nutraceutical, food, pet foods, and, animal and fish feed.
