542-40-5

542-40-5 structure
542-40-5 structure
  • Name: β-Norbixin
  • Chemical Name: (2E,4E,6E,8E,10E,12E,14E,16E,18E)-4,8,13,17-tetramethylicosa-2,4,6,8,10,12,14,16,18-nonaenedioic acid
  • CAS Number: 542-40-5
  • Molecular Formula: C24H28O4
  • Molecular Weight: 380.477
  • Create Date: 2018-08-06 17:18:25
  • Modify Date: 2024-01-08 17:39:53

Name (2E,4E,6E,8E,10E,12E,14E,16E,18E)-4,8,13,17-tetramethylicosa-2,4,6,8,10,12,14,16,18-nonaenedioic acid
Synonyms 6,6′-diapo-ψ,ψ-carotenedioic acid
(2E,4E,6E,8E,10E,12E,14E,16E,18E)-4,8,13,17-Tetramethyl-2,4,6,8,10,12,14,16,18-icosanonaenedioic acid
all-trans-norbixin
Norbixen
E 160b
all-trans-6,6'-diapocarotene-6,6'-dioic acid
Norbixin
Annatto (E 160b)
all-trans norbixin
6,6'-diapocarotene-6,6'-dioic acid
Norbixin (cis/trans mixture)
2,4,6,8,10,12,14,16,18-Eicosanonaenedioic acid, 4,8,13,17-tetramethyl-, (2E,4E,6E,8E,10E,12E,14E,16E,18E)-
9'-cis-6,6'-Diapocaroten-6,6'-disaeure
EINECS 208-810-8
(2E,4E,6E,8E,10E,12E,14E,16E,18E)-4,8,13,17-tetramethylicosa-2,4,6,8,10,12,14,16,18-nonaenedioic acid
Density 1.1±0.1 g/cm3
Boiling Point 640.4±28.0 °C at 760 mmHg
Molecular Formula C24H28O4
Molecular Weight 380.477
Flash Point 355.1±20.5 °C
Exact Mass 380.198761
PSA 74.60000
LogP 5.81
Vapour Pressure 0.0±4.1 mmHg at 25°C
Index of Refraction 1.567

~30%

542-40-5 structure

542-40-5

Literature: Breukers, Stefanie; pstad, Christer L.; Sliwka, Hans-Richard; Partali, Vassilia Helvetica Chimica Acta, 2009 , vol. 92, # 9 p. 1741 - 1747