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CHRYSENE C18H12

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Originally appearing in Volume V06, Page 319 of the 1911 Encyclopedia Britannica.

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CHRYSENE C18H12 , a See also:

HYDROCARBON

hydrocarbon occurring in the high boiling fraction of the See also:

COAL

coal See also:

TAR

tar distillate. It is produced in small quantity in the See also:

DISTILLATION (from the Lat. distillare, more correctly destillare, to drop or trickle down)

distillation of See also:

AMBER

amber, on passing the vapour of phenyl-naphthyl-methane through a red-hot See also:

TUBE (Lat. tuba)

tube, on See also:

HEATING

heating See also:

INDENE, C9H8

indene, or by passing the mixed vapours of coumarone and See also:

NAPHTHALENE, C

naphthalene through a red-hot tube. It crystallizes in plates or octahedra (from See also:

BENZENE, C6H6

benzene), which exhibit a See also:

VIOLET

violet See also:

FLUORESCENCE

fluorescence, and melt at 2500 C. Chromic See also:

ACID (from the Lat. root ac-, sharp; acere, to be sour)

acid in glacial acetic acid See also:

SOLUTION (from Lat. solvere, to loosen, dissolve)

solution oxidizes it to chrysoquinone C18H10O2, which when distilled with See also:

lead See also:

OXIDE

oxide gives chrysoketone C17H10O. When chrysene is fused with alkalis, chrysenic acid, C17H12O3, is produced, which on heating gives fl-phenyl-naphthalene. On heating chrysene with hydriodic acid and red See also:

PHOSPHORUS (Gr. 4ws, light, sPEpety, to bear)

phosphorus to 260° C., the hydro-derivatives C18H2s and C18H3o are produced. It gives characteristic addition products with picric acid and dinitroanthraquinone.

End of Article: CHRYSENE C18H12

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