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RETENE (methyl isopropyl phenanthrene...

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Originally appearing in Volume V23, Page 202 of the 1911 Encyclopedia Britannica.
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RETENE (methyl isopropyl phenanthrene), C18H ,8, a hydro-See also:carbon See also:present in the See also:coal-See also:tar fraction, boiling above 36o° C.; it also occurs in the tars obtained by the See also:distillation of resinous See also:woods. It crystallizes in large plates, which melt at 98.5° C. and See also:boil at 390° C. It is readily soluble in warm See also:ether and in hot glacial acetic See also:acid. See also:Sodium and boiling amyl See also:alcohol reduce it to a tetrahydroretene, whilst if it be heated with See also:phosphorus and hydriodic acid to 26o° C. a dodecahydride is formed. Chromic acid oxidizes it to retene quinone, See also:phthalic acid and acetic acid. It forms a picrate which melts at 123–124° C.

End of Article: RETENE (methyl isopropyl phenanthrene), C18H

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