anthracene


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anthracene

(ăn`thrəsēn), C14H10, solid organic compound derived from coal tar. It melts at 218°C; and boils at 354°C;. When pure it is colorless and has a violet fluorescence; it darkens when exposed to sunlight. Anthracene is insoluble in water but is quite soluble in carbon disulfide and somewhat soluble in ethanol, methanol, benzene, chloroform, and other organic solvents. It is readily oxidized to form anthraquinone, the parent compound of the alizarinalizarin
, or 1,2-dihydroxyanthraquinone, mordant vegetable dye obtained originally from the root of the madder plant (Rubia tinctorum), in which it occurs as a glucoside. The term also includes a group of synthetic dyestuffs prepared from coal-tar derivatives.
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 series of dyes. The molecular structure of anthracene consists of three benzenelike rings joined side by side; it is thus an aromatic compoundaromatic compound,
any of a large class of compounds that includes benzene and compounds that resemble benzene in certain of their chemical properties. Originally applied to a small class of pleasant-smelling chemicals derived from vegetables, it now encompasses a wide diversity
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. It is the first member of the anthracene series, a group of aromatic hydrocarbons that are structurally related to it and have the general formula CnH2n−18.

anthracene

[′an·thrə‚sēn]
(organic chemistry)
C14H10 A crystalline tricyclic aromatic hydrocarbon, colorless when pure, melting at 218°C and boiling at 342°C; obtained in the distillation of coal tar; used as an important source of dyestuffs, and in coating applications.
References in periodicals archive ?
The anthracene moieties thus incorporated to the polymer backbone made them detectable by a ultraviolet or fluorescent spectrophotometer (see Reference 15 for more details).
The spectrometer was set at 358 nm when anthracene was the UV detectable tracer and 348 nm for the naphthalene diacid reactive tracer.
Benzo(A) Anthracene This compound is present in fuel 7 lbs.
10]): anthracene, fluoranthene, pyrene, benzo[a]anthracene, chrysene, benzo[b]fluoranthene, benzo[k]fluoranthene, benzo[a]pyrene, indeno [1,2,3-cd]pyrene, dibenz[a,h]anthracene, benzo[g,h,i]perylene, benzo[e]pyrene, dibenz[a,c]anthracene, perylene, dibenz[a,i]pyrene, and coronene.
Sample results indicated up to 200 parts per million (ppm) of semi- volatile chemicals such as pyrenes, anthracenes, benzo-a-pyrene and benzo a-anthracene.
At present, the consumption market of China's coal tar industry mainly has three parts; one is used in deep processing to produce crude naphthalene, wash oil, anthracene oil and tar pitch; the second is used in making crude coal tar as a substituted fuel of the heavy oil, or used in thermal energy industry like glass-making and porcelain-making, as well as used as the raw material of producing Carbon Black; the third is used to export.
Standards for Nap, acenaphthylene (AcPy), acenaphthene (AcP), fluorene (Flu), phenanthrene (PA), anthracene (Ant), FluT, pyrene (Pyr), BaA, Chr, BbF, benzo[k]fluoranthene (BkF), BaP, and DahA were supplied by Sigma-Aldrich (St.
Those masterbatches were prepared by blending the PS with anthracene in a Haake batch mixer and then extruded into pellets whose dimensions were similar to those of the PS.
38 9,10-Dimethyl anthracene 206 + 434 366 205 Fluoranthene 202 - 1072 882 663 Pyrene 228 - 434 454 364 Benzo[a]anthracene 228 + 434 187 218 Chrysene 228 - 523 247 223 Triphenylene 228 + 600 295 221 Naphthalene 228 - 179 175 129 Benzo[b]fluoranthene 252 ++ 256 182 148 Benzo[k]fluoranthene 252 - 293 166 220 Benzo[a]pyrene 252 +++ 89 32 36 Perylene 252 - -- -- -- 20-methylkolanthrene 268 +++ -- -- Benzo[g,h,i]perylene 276 - 370 132 199 Dibenzo[a,e]anthracene 278 + -- -- -- [SIGMA]PAH 4686 3118 2628 [[SIGMA]PAH.
Particularly, it is tightly related to upstream basic chemical products like anthracene oil, crude anthracene, phthalic anhydride, pure benzene, naphthaquinone, butadiene, styrene, etc.