Paraxylene

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Par`a`xy´lene


n.1.(Chem.) A hydrocarbon (C6H4(CH3)2) of the aromatic series obtained as a colorless liquid by the distillation of camphor with zinc chloride. It is one of the three metamers of xylene. Cf. Metamer, and Xylene.
References in periodicals archive ?
7m t/y of p-xylene, gasoline, styrene, polypropylene (PP), poly-ethylene (PE), and ammonia.
As for the Petrochemicals Complex, the minister said it will integrate with the Al-Zour Refinery to provide high-quality products, such as p-Xylene (para-xylene), polypropylene and gasoline, besides motor fuel for local use and exports.
7 million tons of petrochemical products like Gasoline, p-Xylene, Styrene, Ammonia and Polypropylene and Polyethylene.
Suidan, Effect of benzene, toluene, ethylbenzene, and p-xylene (BTEX) mixture on biodegradation of methyl tert-butyl ether (MTBE) and tert-butyl alcohol (TBA) by pure culture UC1, Biodegradation, 15, 213 (2004).
Sixty-two of the compounds exhibited strong absorption peaks, of which 13 are known or suspected carcinogens (including benzene, ethylbenzene, benzeneacetonitrile, acetonitrile, quinoline, isoquinoline, sterene, diethyl phthalate, 2-methylpyridine, naphthalene carbonitrile, and propene) and more than 20 are known environmental toxins causing acute toxic effects on exposure (including carbon monoxide, p-xylene, phenol, toluene, benzaldehyde, benzenedicarboxylic acid [phthalic acid], and long-chain and cyclic hydrocarbons).
P-Xylene is an aromatic hydrocarbon based on benzene with two methyl substituents with the chemical formula C₈H₁₀ or C₆H₄(CH₃)₂.
The base gasoline was obtained from a local supplier, and oxygenates were obtained as reagent grade chemicals, p-Xylene (1,4-dimethylbenzene) and p-cymene (1-methyl, 4-isopropylbenzene) were used to increase the base gasoline RON and PMI without adding oxygen.
P-xylene was used because bacterial adhesion to this solvent reflects the hydrophobic or hydrophilic nature of the cell surface.
Eight types of single compound (toluene, p-xylene, ethanol, 1-butanol, methyl ethyl ketone, acetone, hexane, and octane) are selected as representative indoor air pollutants with an inlet concentration range of 0.
Para-xylene or p-xylene (PX) is used to make polyethylene terephthalate (PET).
It is planned to have only two products, p-Xylene and Benzene.