• Name

  Zeaxanthin

• EINECS 205-636-4
• CAS No. 144-68-3
• Article Data50
• CAS DataBase
• Density 1.008 g/cm³
• Solubility insoluble in water
• Melting Point 203-205 °C
• Formula C₄₀H₅₆O₂
• Boiling Point 711.4 °C at 760 mmHg
• Molecular Weight 568.883
• Flash Point 273.4 °C
• Transport Information
• Appearance yellow crystalline solid
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms all-trans-Anchovyxanthin;all-trans-Zeaxanthin;Zeaxanthin(7CI);b-Carotene-3,3'-diol, (3R,3'R)-all-trans- (6CI,8CI);(3R,3'R)-Zeaxanthin;Anchovyxanthin;Anchovyxanthin, all-trans-;Xanthophyll 3;ZeaGold;Zeaxanthin,all-trans-;Zeaxanthol;
• PSA 40.46000
• LogP 10.54740

Synthetic route

7481-64-3

all-trans lutein

144-68-3

zeaxanthin

Conditions

Conditions	Yield
With ethanol; sodium ethanolate; benzene at 100 - 110℃;

14656-56-5, 26543-85-1

3,3'-di-keto-β-carotene

555-31-7

aluminum isopropoxide

67-63-0

isopropyl alcohol

71-43-2

benzene

144-68-3

zeaxanthin

...Expand

15486-31-4

(2E,4E,6E,8E,10E,12E,14E)-15-(4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl)-4,9,13-trimethylpentadeca-2,4,6,8,10,12,14-heptaenal

<3-(4-hydroxy-2,2,6-trimethylcyclohexenyl)-1-methyl-2-propen-1-yl>triphenylphosphonium bromide

144-68-3

zeaxanthin

Conditions

Conditions	Yield
With potassium hydroxide In isopropyl alcohol at 20℃; for 3h;	8.5 mg

zeaxanthin radical cation

144-68-3

zeaxanthin

Conditions

Conditions	Yield
With TX-100 In water Rate constant; Irradiation;

116-30-3

4',5'-didehydro-4,5'-retro-β,β-carotene-3,3'-dione

A

144-68-3

zeaxanthin

B

127-40-2

lutein

C

89673-72-3

(3R,3'S,6'R)-lutein

Conditions

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.

...Expand

502-65-8

lycopene

zeaxanthin radical cation

A

144-68-3

zeaxanthin

B

lycopene radical cation

Conditions

Conditions	Yield
In benzene Rate constant; pulse radiolysis;

...Expand

all-trans-β-carotenedione-(3,3')

all-trans-β-carotenedione-(3,3')

144-68-3

zeaxanthin

Conditions

Conditions	Yield
With aluminum isopropoxide; isopropyl alcohol; benzene

53163-53-4

(E)-4,9-dimethyl-2,4,6,8,10-dodecapentaene-1,12-dial

4-triphenylphosphoranylidene-pent-2t(?)-enoic acid methyl ester

4-triphenylphosphoranylidene-pent-2t(?)-enoic acid methyl ester

144-68-3

zeaxanthin

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 11 mg / aq. KOH / propan-2-ol / 24 h / 20 °C 2: 8.5 mg / aq. KOH / propan-2-ol / 3 h / 20 °C View Scheme

32469-38-8

4-(1,4-dihydroxy-2,2,6-trimethylcyclohexyl)-3-butyn-2-ol

144-68-3

zeaxanthin

Conditions

Conditions	Yield
Multi-step reaction with 4 steps 1: 3.5 g / lithium aluminium hydride / tetrahydrofuran / 3 h / Heating 2: 2.21 g / CHCl3 / 18 h / 20 °C 3: 11 mg / aq. KOH / propan-2-ol / 24 h / 20 °C 4: 8.5 mg / aq. KOH / propan-2-ol / 3 h / 20 °C View Scheme
Multi-step reaction with 3 steps 1: 3.5 g / lithium aluminium hydride / tetrahydrofuran / 3 h / Heating 2: 2.21 g / CHCl3 / 18 h / 20 °C 3: 8.5 mg / aq. KOH / propan-2-ol / 3 h / 20 °C View Scheme

53342-69-1

4-(4-hydroxy-2,2,6-trimethylcyclohexylidene)-3-buten-2-ol

144-68-3

zeaxanthin

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 2.21 g / CHCl3 / 18 h / 20 °C 2: 11 mg / aq. KOH / propan-2-ol / 24 h / 20 °C 3: 8.5 mg / aq. KOH / propan-2-ol / 3 h / 20 °C View Scheme
Multi-step reaction with 2 steps 1: 2.21 g / CHCl3 / 18 h / 20 °C 2: 8.5 mg / aq. KOH / propan-2-ol / 3 h / 20 °C View Scheme

<3-(4-hydroxy-2,2,6-trimethylcyclohexenyl)-1-methyl-2-propen-1-yl>triphenylphosphonium bromide

144-68-3

zeaxanthin

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 11 mg / aq. KOH / propan-2-ol / 24 h / 20 °C 2: 8.5 mg / aq. KOH / propan-2-ol / 3 h / 20 °C View Scheme

Zeaxanthin Chemical Properties

Zeaxanthin Uses

Zeaxanthin Safety Profile

Zeaxanthin Specification