ortho-xylene

(redirected from O-Xylene)
Also found in: Wikipedia.

ortho-xylene

[¦ȯr·thō ′zī‚lēn]
(organic chemistry)
1,2-C6H4(CH3)2 A flammable, moderately toxic liquid; insoluble in water, soluble in alcohol and ether; boils at 144°C; used to make phthalic anhydride, vitamins, pharmaceuticals, and dyes, and in insecticides and motor fuels.
References in periodicals archive ?
Anhydrous o-xylene supplied by Sigma Aldrich was used for gel content measurements.
Thanks to full process automation at the AUTN-1 plant, the accuracy of filling operations and commercial accounting for all shipments including gasoline, diesel and marine fuels, aromatic hydrocarbons (paraxylene, o-xylene, benzene, and toluene concentrate) and aviation fuels will be improved.
Each isolates were inoculated to four different conical flasks with 100 mL of MSM containing 50mg/L of Benzene, Toluene, Ethyl benzene and o-Xylene (BTEX) added individually.
According to the US National Institute for Occupational Safety and Health (NIOSH), p,m-xylene may disturb the human central nervous and reproduction systems, o-xylene may damage the central nervous and hearing systems, toluene may adversely affect the human nervous system, and thus decrease the learning ability.
The main goal of this investigation is concern on the removal of o-xylene pollution from aqueous solutions using activated carbon synthesis from fuel oil wastes as adsorbent.
Methanol, propane, butane, ethylene, benzene, ammoniac, paraxylene, condensate, mono-ethylene glycol, raffinate, sulphur, and o-Xylene were among major products exported during the mentioned period, he said.
Environmental Protection Agency (EPA) classifies seven of the VOCs found in dryer-vent emissions--acetaldehyde, benzene, ethylbenzene, methanol, m/p-xylene, o-xylene, and toluene--as hazardous air pollutants.
Neutrotropic effects and blood levels of solvents at combined exposures: binary mixtures of toluene, o-xylene and acetone in rats and mice.
However, the ratings are constrained by the risks associated with the cyclical nature of business, the vulnerability of the profitability to volatility in the spread between Phthalic Anhydride (PAN) and O-Xylene (OX), the decline in import duty levels and the significant import competition.
It is reported that toluene (63%) is the most abundant component in paint solvents, followed by m-p-xylene (19%), o-xylene (8%) and benzene (1%).
The term containing the normal boiling temperature allows distinguishing among a group of isomers of the same substance (for instance between o-xylene, m-xylene and p-xylene).
If you look at Table 23-3, you will see that of the components of BTEX, o-xylene has the longest half-life--14.