Xylenes
Xylenes are any one of three isomers of dimethylbenzene, or a combination thereof. All are colorless, flammable liquids composed of a central benzene ring with two methyl groups attached at substituents. They can be applied as precursor chemicals and solvents.
Xylenes are flammable petrochemical products that can be produced via catalytic reforming and coal carbonization during coke production and found in crude oil, gasoline, and aircraft fuel. Xylenes were first isolated from wood tar and named by the French chemist Auguste Cahours.
What Is Xylene?
Xylene, more appropriately called xylenes, refers to any single or combination of the three isomers of dimethylbenzene. The isomeric forms are designated as ortho- (o-), meta- (m-), and para- (p-), a reference to the carbon in the benzene ring to which the two methyl groups are attached.
- o-isomer: 1,2-dimethylbenzene
- m-isomer: 1,3-dimethylbenzene
- p-isomer: 1,4-dimethylbenzene
Xylenes are colorless and can be detected by odor at concentrations as low as 0.08 to 3.7 ppm in air and tasted in water at 0.53 to 1.8 ppm.
Refer to the Certificate of Analysis or the Safety Data Sheet for specific information about xylene density and safety hazards.
What Is Xylene Used For?
Industrial Uses
p-Xylene is a precursor to terephthalic acid and dimethyl terephthalate, used to make polyethylene terephthalate plastic bottles and polyester clothing.
Xylene can be used as a solvent and is a common component of ink, rubber, adhesives, and paint and varnish thinners. Xylenes may be used to clean steel, silicon wafers, and integrated circuits. Medical applications include use as a solvent of dental materials and ear wax.
Laboratory Uses
Xylene can be used with dry ice in baths, to remove oil from microscope objectives, and as a cleaning agent or mounting material in histology procedures.
eMolecules 2-Hydroxy-3,4-dimethylbenzoic acid | 58138-74-2 | MFCD11203625 | 250mg
Ambeed | 2-Hydroxy-3,4-dimethylbenzoic acid | 250mg | 600843726 | A590335 | | 58138-74-2 | MFCD11203625 | 166.176 | C9H10O3
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Aobchem 4-Benzyloxy-3, 5-dimethylbenzaldehyde, AOBCHEM USA 29531-5G. 144896-51-5. MFCD00800683
4-Benzyloxy-3, 5-dimethylbenzaldehyde, AOBCHEM USA 29531-5G. 144896-51-5. MFCD00800683
eMolecules 2-Chloro-4,5-dimethylaniline | 1585-13-3 | MFCD15527213 | 1g
Oakwood Chemical | 2-Chloro-4,5-dimethylaniline | 1g | 537701526 | 080091 | | 1585-13-3 | MFCD15527213 | 155.630 | C8H10ClN
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eMolecules AstaTech / 1-(35-DIMETHYLPHENYL)-PIPERAZINE / 1g / 112526543 / 60440 / 97.000 / 105907-65-1 / MFCD03095639 / 190.290 / C12H18N2
AstaTech / 1-(35-DIMETHYLPHENYL)-PIPERAZINE / 1g / 112526543 / 60440 / 97.000 / 105907-65-1 / MFCD03095639 / 190.290 / C12H18N2
eMolecules Ambeed / 24-Dichloro-3-fluoronitrobenzene / 1g / 525183457 / A315855 / / 393-79-3 / MFCD00042240 / 209.990 / C6H2Cl2FNO2
Ambeed / 24-Dichloro-3-fluoronitrobenzene / 1g / 525183457 / A315855 / / 393-79-3 / MFCD00042240 / 209.990 / C6H2Cl2FNO2
Sigma Aldrich Fine Chemicals Biosciences o Xylene puriss. p.a. 99.0
o-Xylene is an isomeric form of xylene. Experimental values of density (I) and speed of sound (u) of its binary mixtures with diethyl carbonate (DEC) have been evaluated over the temperature range of 298.15-323.15K and at 0.1MPa atmospheric pressure. Its oxidation in the presence of three-dimensionally ordered mesoporous Co3O4 (meso-Co3O4) supported gold (xAu/meso-Co3O4 x 3.7-9.0wt%) nanocatalysts has been reported.
Sigma Aldrich Fine Chemicals Biosciences m-Xylene-d10 98 atom % D | 116601-58-2 | MFCD00209804 | 5G
m-Xylene-d10 98 atom % D | Purity: 99% (CP) | Mol Wt: 116.23 | 116601-58-2 | MFCD00209804 | 5G
Cambridge Isotope Laboratories 3,5-DIMETHYLBENZOIC ACID (3-METHYL-13C, 99%), 1 G, 202114-50-9
3,5-DIMETHYLBENZOIC ACID (3-METHYL-13C, 99%), 1 G, 202114-50-9
eMolecules ChemScene / 6-Hydroxy-N2-dimethylbenzofuran-3-carboxamide / 100mg / 441666756 / CS-0067399 / 0.000 / 638217-08-0 / MFCD09836137 / 205.213 / C11H11NO3
ChemScene / 6-Hydroxy-N2-dimethylbenzofuran-3-carboxamide / 100mg / 441666756 / CS-0067399 / 0.000 / 638217-08-0 / MFCD09836137 / 205.213 / C11H11NO3
eMolecules Ambeed / 24-Dimethylbenzamide / 1g / 660580533 / A113283 / / 73258-94-3 / MFCD11643208 / 149.193 / C9H11NO
Ambeed / 24-Dimethylbenzamide / 1g / 660580533 / A113283 / / 73258-94-3 / MFCD11643208 / 149.193 / C9H11NO
eMolecules 1,4-Dibromo-2,3-dimethylbenzene | 75024-22-5 | MFCD06796460 | 1g
Ambeed | 1,4-Dibromo-2,3-dimethylbenzene | 1g | 552696022 | A293474 | | 75024-22-5 | MFCD06796460 | 263.960 | C8H8Br2
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Medchemexpress LLC p-xylene bis(pyridinium bromide) | 14208-10-7 | MFCD00043749 | 99.6% | 422.16 g·mol⁻¹ | C18H18Br2N2 | 250 MG
p-Xylene bis(pyridinium bromide) is a bisquaternary pyridinium compound provided as a research reagent and cationic charged quencher. It is reported as a weak inhibitor of acetylcholinesterase and butyrylcholinesterase (IC50 hAChE 1540 μM; BChE 529 μM), and is suitable for biochemical assays and probe development.
- High purity: 99.6%.
- Useful as a cationic charged quencher in fluorescence and biochemical assays.
- Characterized inhibitory activity against AChE and BChE (IC50 hAChE 1540 μM; BChE 529 μM).
- Supplied as a solid 250 mg pack for laboratory use.
- Molecular formula C18H18Br2N2 and molecular weight 422.16 g·mol⁻¹.
eMolecules 4-Chloro-2,6-dimethylaniline | 24596-18-7 | MFCD01076576 | 1g
Combi-Blocks | 4-Chloro-2,6-dimethylaniline | 1g | 290694139 | QE-2602 | 98.000 | 24596-18-7 | MFCD01076576 | 155.630 | C8H10ClN
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eMolecules (2,4-Dimethylphenyl)(phenyl)methanol | 67135-97-1 | MFCD00962322 | 250mg
Oakwood Chemical | (2,4-Dimethylphenyl)(phenyl)methanol | 250mg | 537712623 | 180900 | | 67135-97-1 | MFCD00962322 | 212.292 | C15H16O
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