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anthracene
Book article from: The Columbia Encyclopedia, Sixth Edition
anthracene , C 14 H 10 , solid organic compound...it darkens when exposed to sunlight. Anthracene is insoluble in water but is quite soluble...of dyes. The molecular structure of anthracene consists of three benzenelike rings...
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aromatic compound
Book article from: The Columbia Encyclopedia, Sixth Edition
...compounds other than benzene include toluene, naphthalene, and anthracene (all of which are present in coal tar). Each of these compounds...delocalized electrons in benzene (6), naphthalene (10), and anthracene (14) agree with their aromatic character. On the other...
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dye
Book article from: The Columbia Encyclopedia, Sixth Edition
...coal tar, being formed from an aromatic hydrocarbon such as benzene, from which indigo is derived (see also aniline ), or anthracene, which yields alizarin. Although some materials, e.g., silk and wool, can be colored simply by being dipped in the...
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coal tar
Book article from: The Columbia Encyclopedia, Sixth Edition
...distilled into many fractions to yield a number of useful organic products, including benzene, toluene, xylene, naphthalene, anthracene, and phenanthrene. These substances, called the coal-tar crudes, form the starting point for the synthesis of numerous...
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Polycyclic Aromatic Hydrocarbons
Encyclopedia entry from: The Gale Encyclopedia of Science
...polycyclic aromatic compounds. Some of the better known polycyclic aromatic compounds in environmental chemistry include anthracene, benzopyrene, benzofluoranthene, benzanthracene, dibenzanthracene, phenanthrene, pyrene, and perylene. Benzopyrene...
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Phenyl Group
Encyclopedia entry from: The Gale Encyclopedia of Science
...Benzene and other cyclic compounds that have alternating single and double bonds which oscillate, such as naphthalene and anthracene, are called aromatic hydrocarbons. Those compounds that have a chain of carbon atoms connected to a phenyl group are called...
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benzene
Book article from: The Columbia Encyclopedia, Sixth Edition
...for one or more of the hydrogen atoms of the benzene ring, two or more rings may be joined together, as in naphthalene , anthracene , and phenanthrene; or other atoms, such as nitrogen, may be substituted for carbon atoms in the ring, as in pyridine...
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