2,5-Cyclohexadien-1-one,4-(3,5-dimethoxy-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethoxy-

Suppliers

Names

[ CAS No. ]:
493-74-3

[ Name ]:
2,5-Cyclohexadien-1-one,4-(3,5-dimethoxy-4-oxo-2,5-cyclohexadien-1-ylidene)-2,6-dimethoxy-

[Synonym ]:
COERULIGNONE
Cerulignone
2,2',6,6'-tetramethoxydibenzo-1,1'-diquinone
3,3',5,5'-tetramethoxydiphenoquinone
4-(3,5-dimethoxy-4-oxocyclohexa-2,5-dien-1-ylidene)-2,6-dimethoxycyclohexa-2,5-dien-1-one
3,5,3',5'-tetramethoxy-4,4'-diphenoquinone
3,3',5,5'-Tetramethoxy-4,4'-diphenoquinone

Chemical & Physical Properties

[ Density]:
1.27g/cm3

[ Boiling Point ]:
629.9ºC at 760mmHg

[ Melting Point ]:
293ºC (dec.)(lit.)

[ Molecular Formula ]:
C16H16O6

[ Molecular Weight ]:
304.29500

[ Flash Point ]:
280.6ºC

[ Exact Mass ]:
304.09500

[ PSA ]:
71.06000

[ LogP ]:
1.56960

[ Vapour Pressure ]:
8.91E-16mmHg at 25°C

[ Index of Refraction ]:
1.56

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
26-37/39

[ RIDADR ]:
NONH for all modes of transport

Synthetic Route

Precursor & DownStream

Precursor

  • Syringol
  • 2,6-Dimethoxyhydroquinone

DownStream

  • 3,3,5,5-Tetramethoxy(1,1-biphenyl)-4,4-diol