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 293330-11-7 | 3-(3,5-Dimethylphenyl)-beta-alanine | MFCD01871321 | 1g
Ambeed | [1141-Terphenyl]-4-amine | 1g | 491667602 | A439250 | 7293-45-0 | MFCD00191302 | 245.325 | C18H15N
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Haztech Systems, Inc RE2326 Xylene Hazcat Reagent - 1oz amber glass bottle
RE2326 Xylene Hazcat Reagent - 1oz amber glass bottle
Medchemexpress LLC Xylene Cyanol FF | 2650-17-1 | 94.69% | 5 G
Xylene Cyanol FF is an acid triphenylmethane dye used for histochemical staining of hemoglobin peroxidase or as a tracking dye for DNA sequencing in electrophoresis. It can also be catalyzed by Fe and Al to accelerate oxidation under the addition of double oxidant hydrogen peroxide and potassium periodate, enabling the spectrophotometric determination of Fe and Al in tested solutions. It is also used for denaturing and non-denaturing polyacrylamide gels in DNA tracking.
- Acid triphenylmethane dye
- Molecular weight: 538.61
- Formula: C₂₅H₂₇N₂NaO₆S₂
- Cas number: 2650-17-1
- Appearance: Solid
- Color: Dark green to black
- Purity: 94.69%
- Solubility: 10 mg/mL in H₂O (18.57 mM; ultrasonic and warming and heat to 60°C)
eMolecules 112773-90-7 | Ambeed | (R)-N-(26-Dimethylphenyl)-1-propylpiperidine-2-carboxamide hydrochloride | 250mg | 600827754 | A1143630 | MFCD22572716 | 310.87 | C17H27ClN2O
ChemScene | tert-Butyl 5-chloro-34-dihydro-26-naphthyridine-2(1H)-carboxylate | 100mg | 714103741 | CS-0119737 | 1196153-26-0 | MFCD11977790 | 268.740 | C13H17ClN2O2
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eMolecules 1014-05-7 | 1-(3,4-Dimethylphenyl)-piperazine | Oakwood Chemical | MFCD00023129 | 190.290 | C12H18N2 | 98.000 | Cc1ccc(cc1C)N1CCNCC1 | 1g | 537671173
1-(3,4-Dimethylphenyl)-piperazine | Oakwood Chemical | 1014-05-7 | MFCD00023129 | 190.290 | C12H18N2 | 98.000 | Cc1ccc(cc1C)N1CCNCC1 | 1g | 537671173
eMolecules 76935-78-9 | 2-(2,6-Dimethylphenyl)ethan-1-amine | Combi-Blocks | MFCD01310817 | 149.237 | C10H15N | 95.000 | Cc1cccc(C)c1CCN | 1g | 485192632
2-(2,6-Dimethylphenyl)ethan-1-amine | Combi-Blocks | 76935-78-9 | MFCD01310817 | 149.237 | C10H15N | 95.000 | Cc1cccc(C)c1CCN | 1g | 485192632
eMolecules 5379-19-1 | 1-(2,4-Dimethylphenyl)ethanol | Apollo Scientific | MFCD00060890 | 150.221 | C10H14O | 95.000 | CC(O)c1ccc(C)cc1C | 1g | 562441964
1-(2,4-Dimethylphenyl)ethanol | Apollo Scientific | 5379-19-1 | MFCD00060890 | 150.221 | C10H14O | 95.000 | CC(O)c1ccc(C)cc1C | 1g | 562441964
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 1585-13-3 | 2-Chloro-4,5-dimethylaniline | Oakwood Chemical | MFCD15527213 | 155.630 | C8H10ClN | 99.000 | Cc1cc(N)c(Cl)cc1C | 1g | 537701526
2-Chloro-4,5-dimethylaniline | Oakwood Chemical | 1585-13-3 | MFCD15527213 | 155.630 | C8H10ClN | 99.000 | Cc1cc(N)c(Cl)cc1C | 1g | 537701526
Cambridge Isotope Laboratories Musk xylene (t-butyl-13C4 99%) 100 ug/mL in acetonitrile 1 2 mL
Musk xylene (t-butyl-13C4 99%) 100 ug/mL in acetonitrile 1 2 mL
eMolecules 58138-74-2 | 2-Hydroxy-3,4-dimethylbenzoic acid | MFCD11203625 | 250mg
Ambeed | 2-Hydroxy-3,4-dimethylbenzoic acid | 250mg | 600843726 | A590335 | 58138-74-2 | MFCD11203625 | 166.176 | C9H10O3
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![eMolecules 267431-79-8 | N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine | ChemScene306.453 | C21H26N2 | 95.000 | C\C(Nc1c(C)cccc1C)=C\C(\C)=N\c1c(C)cccc1C | 100mg | 602867631](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502483844.JPG-250.jpg)
eMolecules 267431-79-8 | N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine | ChemScene306.453 | C21H26N2 | 95.000 | C\C(Nc1c(C)cccc1C)=C\C(\C)=N\c1c(C)cccc1C | 100mg | 602867631
N-[3-[(2,6-Dimethylphenyl)amino]-1-methyl-2-buten-1-ylidene]-2,6-dimethylbenzenamine | ChemScene | 267431-79-8306.453 | C21H26N2 | 95.000 | C\C(Nc1c(C)cccc1C)=C\C(\C)=N\c1c(C)cccc1C | 100mg | 602867631
AbaChemscene,2,6-Dimethylbenzonitrile,6575-13-9,Formula:C9H9N,M. Wt. 131.17446,99.39%
CS-W011101,AbaChemscene,2,6-Dimethylbenzonitrile,6575-13-9,25g,Formula:C9H9N,M. Wt. 131.17446,99.39%
Sigma Aldrich Fine Chemicals Biosciences p-Xylene anhydrous 99
p-Xylene is an isomer xylene mainly used in the polyester industry as a raw material for synthesizing 5 6-terephthalic acid.