|
|
![]() Helping San Diego, California and beyond since 1997.
|
|
Click here and add this page to your favorites!

|
Encyclopedia Britannica - Main :: PRE-PYR |
|
|
PYRENE, C16H ,o, a hydrocarbon found together with chrysene in the last portion of the coal tar distillate, and also in " Stupp " fat. The crude solid product from the tar distillate is digested with carbon bisulphide to dissolve the pyrene, the solution filtered and the solvent evaporated. The residue is dissolved in alcohol
ammonia
monoclinic
benzene
long red needles melting at 222 . When heated with hydriodic acid and phosphorus to zoo C. it yields a hexahydride. It has been obtained synthetically by M. Freund and H. Michaels (Ber., 1897, 30, p. 1383) by distilling thebenol over zinc
phosphorus at 220 C. on thebenol.End of Article: PYRENE, C16H If you wish, you can link directly to this article.
<a href="http://jcsm.org/StudyCenter/Encyclopedia/PRE_PYR/PYRENE_C16H.html"> PYRENE, C16H </a> |
|
|
(Previous) PYRAZOLES |
(Next) PYRENEES [Span. Pirineos, Fr. Pyrenees] |
|
Sponsored Advertisements