CAS 106{1}}42-3 p-Xylene, tseem hu ua 1,4-dimethylbenzene lossis para-xylene, yog ib qho tsis muaj xim, flammable kua aromatic hydrocarbon nrog cov tshuaj formula C₈H₁₀ thiab molecular hnyav ntawm 106.16 g/mol. Nws yog ib qho ntawm peb hom isomeric ntawm xylene (nrog rau o-xylene thiab m-xylene) thiab ua haujlwm feem ntau yog cov khoom noj tseem ceeb hauv kev lag luam tshuaj rau kev tsim cov terephthalic acid thiab dimethyl terephthalate, uas yog qhov tseem ceeb precursors rau polyethylene terephthalate (polyethylene terephthalate). Nrog ib tug qab zib tsw thiab solubility tsawg nyob rau hauv dej (0.165 g / L ntawm 25 degree), p-xylene yog miscible nyob rau hauv organic solvents xws li ethanol, ether, thiab benzene.
P-Xylenes Industrial Qib Siv
CAS 106{1}}42-3 P-Xylenesyog siv nyob rau hauv zus tau tej cov dimethyl terephthalate thiab terephthalic acid. Ob qho khoom siv yog cov khoom tseem ceeb ntawm cov polymers siv los ua PET fiber ntau, zaj duab xis, thiab cov yas molded. Nws yog siv nyob rau hauv muaj pes tsawg leeg ntawm aircraft fuels, nyob rau hauv cov xim, fiber, lacquer thiab roj hmab industries. Nws yog hydrocarbon siv nyob rau hauv loj - nplai synthesis ntawm ntau polymers. Nws kuj tseem tuaj yeem raug polymerized ncaj qha los tsim parylene.
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