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o-Xylene (ortho-xylene) is an aromatic hydrocarbon with the formula C 6 H 4 (CH 3) 2, with two methyl substituents bonded to adjacent carbon atoms of a benzene ring (the ortho configuration). It is a constitutional isomer of m-xylene and p-xylene, the mixture being called xylene or xylenes. o-Xylene is a colourless slightly oily flammable ...
Xylene is used in the laboratory to make baths with dry ice to cool reaction vessels, [17] and as a solvent to remove synthetic immersion oil from the microscope objective in light microscopy. [18] In histology, xylene is the most widely used clearing agent. [19] Xylene is used to remove paraffin from dried microscope slides prior to staining.
for o-Xylene/Carbon tetrachloride [8] P = 760 mm Hg BP Temp. °C % by mole carbon tetrachloride liquid vapor 142.0: 1.8: 6.5 136.0: 6.4: 22.9 130.4: 11.2: 36.9 125.0 ...
In the petroleum refining and petrochemical industries, the initialism BTX refers to mixtures of benzene, toluene, and the three xylene isomers, all of which are aromatic hydrocarbons. The xylene isomers are distinguished by the designations ortho – (or o –), meta – (or m –), and para – (or p –) as indicated in the adjacent diagram.
The diene unit formed by the two exocyclic alkene units of the ortho isomer can serve as a ligand in coordination complexes. For example, reaction of α,α'-dibromo-o-xylene with iron carbonyls affords low yields of the xylylene complex Fe(CO) 3 [η 4-C 6 H 4 (CH 2) 2]. This product is structurally analogous to Fe(CO) 3 [η 4-1,3-butadiene]. [11]
Phthalic acid is produced by the catalytic oxidation of naphthalene or ortho-xylene directly to phthalic anhydride and a subsequent hydrolysis of the anhydride. [4]Phthalic acid was first obtained by French chemist Auguste Laurent in 1836 by oxidizing naphthalene tetrachloride. [5]
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Description: Structural formula of ortho-Xylene.. CAS ® Registry Number: 95-47-6. Image generated in ChemDraw Professional 22.2 and converted into SVG file using Scribus 1.6.1 + Inkscape 1.3.2 (drawn according to official Manual of Style guidelines)