Definitions for picene

This page provides all possible meanings and translations of the word picene

Wiktionary

  1. picene(Noun)

    A polycyclic aromatic hydrocarbon consisting of five fused benzene rings; an isomer of pentacene.

Webster Dictionary

  1. Picene(noun)

    a hydrocarbon (C/H/) extracted from the pitchy residue of coal tar and petroleum as a bluish fluorescent crystalline substance

  2. Origin: [See Piceous.]

Freebase

  1. Picene

    Picene is a hydrocarbon found in the pitchy residue obtained in the distillation of peat tar and of petroleum. This is distilled to dryness and the distillate repeatedly recrystallized from cymene. It may be synthetically prepared by the action of anhydrous aluminium chloride on a mixture of naphthalene and 1,2-dibromoethane, or by distilling a-dinaphthostilbene. It crystallizes in large colorless plates which possess a blue fluorescence. It is soluble in concentrated sulfuric acid with a green color. Chromic acid in glacial acetic acid solution oxidizes it to picene-quinone, picene-quinone carboxylic acid, and finally to phthalic acid. When intercalated with potassium or rubidium and cooled to below 18 K, picene has been shown to exhibit superconductive properties.

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