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.

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Risks for PNET increased in relation to IQR increases during pregnancy and first year of life for substances loading on factor 1, particularly to aromatic solvents [benzene, toluene, ethyl-benzene, and ortho-xylene (collectively referred to as BTEX), and 1,3-butadiene] and the chlorinated solvents perchloroethylene and trichloroethylene, as well as to acetaldehyde and selenium.

In utero and early-life exposure to ambient air toxics and childhood brain tumors: a population-based case-control study in California, USA

It is one of the largest suppliers of pure benzene, para-xylene, ortho-xylene, PTA, polyethylene, polypropylene, ethylene glycol, butadiene and ethylene oxide in China.

United States : Sinopec Pioneers New Technology From Honeywell UOP to Raise Yields Of Petrochemicals In China

In order to encourage new investment and capacity addition in the chemicals and petrochemicals sector, he proposed to reduce the BCD on reformate, ethane, propane, ethylene, propylene, butadiene and ortho-xylene, methyl alcohol and denatured ethyl alcohol, and crude naphthalene.

Jaitley raises Rs75 billion through indirect taxes

More promising economically, however, are G'100 blends that include various types of xenols, including para-, meta- or ortho-xylene.

100-octane cost data: sharpening the pencil: for Swift, holding the pump price down will hinge on finding cheap acetone. GAMI's G100 may be cheaper, but will oil companies balk at a proprietary formula?

The upgrade in the ratings takes into account the improvement in the financial performance during financial 2010 aided by a sustained recovery in the spread between Phthalic Anhydride (PAN) and Ortho-Xylene (OX) from the fourth quarter of financial 2009 onwards.