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.
2,5-Dimethylaniline, 98+%
CAS: 95-78-3 Molecular Formula: C8H11N Molecular Weight (g/mol): 121.18 MDL Number: MFCD00007743 InChI Key: VOWZNBNDMFLQGM-UHFFFAOYSA-N Synonym: 2,5-xylidine,p-xylidine,2,5-dimethylphenylamine,2-amino-1,4-xylene,2,5-dimethylbenzenamine,benzenamine, 2,5-dimethyl,5-methyl-o-toluidine,6-methyl-m-toluidine,1-amino-2,5-dimethylbenzene,p-dimethylaniline PubChem CID: 7259 ChEBI: CHEBI:518305 IUPAC Name: 2,5-dimethylaniline SMILES: CC1=CC=C(C)C(N)=C1
2,6-Dimethylphenyl isocyanate, 98%
CAS: 28556-81-2 Molecular Formula: C9H9NO Molecular Weight (g/mol): 147.18 MDL Number: MFCD00002012 InChI Key: YQLRKXVEALTVCZ-UHFFFAOYSA-N Synonym: 2,6-dimethylphenyl isocyanate,benzene, 2-isocyanato-1,3-dimethyl,2,6-dimethylphenylisocyanate,2,6-xylyl isocyanate,unii-2ql5mu0e0c,2ql5mu0e0c,isocyanic acid 2,6-dimethylphenyl ester,2,6-dimethylbenzenisocyanate,2,6-dimethyl phenyl isocyanate,2-isocyanato-1,3-dimethyl-benzene PubChem CID: 98787 IUPAC Name: 2-isocyanato-1,3-dimethylbenzene SMILES: CC1=CC=CC(C)=C1N=C=O
3,4-Dimethylanisole, 99%
CAS: 4685-47-6 Molecular Formula: C9H12O Molecular Weight (g/mol): 136.194 MDL Number: MFCD00008396 InChI Key: LVUBSVWMOWKPDJ-UHFFFAOYSA-N Synonym: 3,4-dimethylanisole,4-methoxy-1,2-dimethyl-benzene,4-methoxy-o-xylene,benzene, 4-methoxy-1,2-dimethyl,3,4-dimethyl anisole,1,2-dimethyl-4-methoxybenzene,3,4-dimethylphenyl methyl ether,acmc-20anel,pubchem5361 PubChem CID: 78411 IUPAC Name: 4-methoxy-1,2-dimethylbenzene SMILES: CC1=C(C=C(C=C1)OC)C
3,4-Dimethylbenzoic acid, 98%
CAS: 619-04-5 Molecular Formula: C9H10O2 Molecular Weight (g/mol): 150.177 MDL Number: MFCD00002524 InChI Key: OPVAJFQBSDUNQA-UHFFFAOYSA-N Synonym: benzoic acid, 3,4-dimethyl,3,4-dimethyl-benzoic acid,1-carboxy-3,4-dimethylbenzene,o-xylene-4-carboxylic acid,3,4-dimethylbenzoicacid,pubchem14893,3,4-dimethyl benzoic acid,asym-o-xylylic acid,acmc-1b5p1,3, 4 dimethyl benzoic acid PubChem CID: 12073 ChEBI: CHEBI:64818 IUPAC Name: 3,4-dimethylbenzoic acid SMILES: CC1=C(C=C(C=C1)C(=O)O)C
4-Bromo-o-xylene, 97%
CAS: 583-71-1 Molecular Formula: C8H9Br Molecular Weight (g/mol): 185.064 MDL Number: MFCD00000086 InChI Key: QOGHRLGTXVMRLM-UHFFFAOYSA-N Synonym: 4-bromo-o-xylene,3,4-dimethylbromobenzene,1-bromo-3,4-dimethylbenzene,benzene, 4-bromo-1,2-dimethyl,3,4-xylyl bromide,4-bromo-1,2-xylene,4-bromo-1,2-dimethyl-benzene,3,4-dimethylphenyl bromide,4-bromo-ortho-xylene,o-xylene, 4-bromo PubChem CID: 68504 IUPAC Name: 4-bromo-1,2-dimethylbenzene SMILES: CC1=C(C=C(C=C1)Br)C
4,5-Dibromo-o-xylene, 97%
CAS: 24932-48-7 Molecular Formula: C8H8Br2 Molecular Weight (g/mol): 263.96 MDL Number: MFCD00082743 InChI Key: BCIDDURGCAHERU-UHFFFAOYSA-N Synonym: 4,5-dibromo-o-xylene,benzene, 1,2-dibromo-4,5-dimethyl,acmc-209gfu,benzene,1,2-dibromo-4,5-dimethyl,1,2-bis bromanyl-4,5-dimethyl-benzene,1,2-dibromo-4,5-dimethylbenzene,1,2-dibromo-4,5-dimethyl-benzene PubChem CID: 34347 IUPAC Name: 1,2-dibromo-4,5-dimethylbenzene SMILES: CC1=CC(Br)=C(Br)C=C1C
2,6-Dimethylbenzeneboronic acid, 97%
CAS: 100379-00-8 Molecular Formula: C8H11BO2 Molecular Weight (g/mol): 149.98 MDL Number: MFCD01009693 InChI Key: ZXDTWWZIHJEZOG-UHFFFAOYSA-N Synonym: 2,6-dimethylphenyl boronic acid,2,6-dimethylbenzeneboronic acid,2,6-dimethylphenyl boranediol,2,6-dimethylboronic acid,m-xylene-2-boronic acid,2,6-dimethyl-phenylboronic acid,boronic acid, 2,6-dimethylphenyl,2-borono-m-xylene,pubchem16357,acmc-1c3za PubChem CID: 583322 IUPAC Name: (2,6-dimethylphenyl)boronic acid SMILES: CC1=CC=CC(C)=C1B(O)O
3,5-Dimethylbenzenesulfonyl chloride, 97%
CAS: 2905-27-3 Molecular Formula: C8H9ClO2S Molecular Weight (g/mol): 204.67 MDL Number: MFCD03094655 InChI Key: LSAGRAXLOLZVKO-UHFFFAOYSA-N Synonym: 3,5-dimethylbenzene-1-sulfonyl chloride,3,5-dimethylphenyl chlorosulfone,3,5-dimethylbenzenesulfonylchloride,3,5-dimethylbenzenesulphonyl chloride,3,5-dimethyl-benzenesulfonyl chloride,pubchem5129,acmc-1ccrc,5-chlorosulphonyl-m-xylene,3,5-dimethylphenylsulfonyl chloride,3,5-xylenesulfonyl chloride PubChem CID: 2736235 SMILES: CC1=CC(=CC(C)=C1)S(Cl)(=O)=O
5-Fluoro-m-xylene, 97%
CAS: 461-97-2 Molecular Formula: C8H9F Molecular Weight (g/mol): 124.158 MDL Number: MFCD00052366 InChI Key: RCWIWNUVHNAUQC-UHFFFAOYSA-N Synonym: 3,5-dimethylfluorobenzene,5-fluoro-m-xylene,1,3-dimethyl-5-fluorobenzene,benzene, 1-fluoro-3,5-dimethyl,pubchem4410,5-fluoro-1,3-xylene,acmc-1ahss,3,5-dimethyl-fluorobenzene,3,5-dimethylphenyl fluoride,ksc497s5r PubChem CID: 521192 IUPAC Name: 1-fluoro-3,5-dimethylbenzene SMILES: CC1=CC(=CC(=C1)F)C
3,4-Dimethylbenzeneboronic acid, 98+%
CAS: 55499-43-9 Molecular Formula: C8H11BO2 Molecular Weight (g/mol): 149.98 MDL Number: MFCD01009694 InChI Key: KDVZJKOYSOFXRV-UHFFFAOYSA-N Synonym: 3,4-dimethylphenyl boronic acid,3,4-dimethylbenzeneboronic acid,3,4-dimethylphenyl boranediol,3,4-dimethylphenylboronicacid,4-borono-o-xylene,boronic acid, 3,4-dimethylphenyl,pubchem1832,acmc-209lna,3.4-dimethylbenzeneboronic acid,3,4-dimethyl phenylboronic acid PubChem CID: 2734348 IUPAC Name: (3,4-dimethylphenyl)boronic acid SMILES: CC1=CC=C(C=C1C)B(O)O
4-Fluoro-2,3-dimethylaniline, 97%
CAS: 1737-68-4 Molecular Formula: C8H10FN Molecular Weight (g/mol): 139.173 MDL Number: MFCD04972870 InChI Key: LKMJLYCMLAPNDB-UHFFFAOYSA-N Synonym: 3-amino-6-fluoro-1,2-dimethylbenzene,4-fluoro-2,3-dimethyl aniline,2,3-dimethyl-4-fluoroaniline,4-fluoro-o-xylidine,benzenamine, 4-fluoro-2,3-dimethyl,4-fluoro-2,3-dimethyl-phenylamine,p-fluordimethylanilin,intermediates-zcf02293,4-fluoranyl-2,3-dimethyl-aniline,4-fluoro-2,3-dimethyl-benzenamine PubChem CID: 17770833 IUPAC Name: 4-fluoro-2,3-dimethylaniline SMILES: CC1=C(C=CC(=C1C)F)N
2,5-Dimethylbenzenesulfonic acid hydrate, 98%
CAS: 609-54-1 Molecular Formula: C8H10O3S Molecular Weight (g/mol): 186.23 MDL Number: MFCD00151010 InChI Key: IRLYGRLEBKCYPY-UHFFFAOYSA-N Synonym: p-xylene-2-sulfonic acid,unii-l1sea5qnp9,p-xylene-2-sulphonic acid,benzenesulfonic acid, 2,5-dimethyl,l1sea5qnp9,2,4-xylenesulfonic acid hydrate,2,5-dimethyl-benzenesulfonic acid,2,5-xylenesulfonic acid,p-xylenesulfonic acid,dsstox_cid_21641 PubChem CID: 11868 IUPAC Name: 2,5-dimethylbenzenesulfonic acid SMILES: CC1=CC=C(C)C(=C1)S(O)(=O)=O
1-(2,4-Dimethylphenyl)ethanol, 95%
CAS: 5379-19-1 Molecular Formula: C10H14O Molecular Weight (g/mol): 150.221 MDL Number: MFCD00060890 InChI Key: DNHQUGRUHBFDFT-UHFFFAOYSA-N Synonym: 1-2,4-dimethylphenyl ethanol,1-2,4-dimethylphenyl ethan-1-ol,1-2,4-dimethylbenzene-1-ethanol PubChem CID: 21475 IUPAC Name: 1-(2,4-dimethylphenyl)ethanol SMILES: CC1=CC(=C(C=C1)C(C)O)C
3,4-Dimethylbenzenesulfonyl chloride, 98%
CAS: 2905-30-8 Molecular Formula: C8H9ClO2S Molecular Weight (g/mol): 204.668 MDL Number: MFCD00625742 InChI Key: DNMQPRPJIWTNAX-UHFFFAOYSA-N Synonym: 3,4-dimethylbenzene-1-sulfonyl chloride,3,4-dimethylbenzenesulfonylchloride,3,4-dimethyl-benzenesulfonyl chloride,benzenesulfonyl chloride, 3,4-dimethyl,3,4-dimethylphenyl chlorosulfone,ksc562m4t,3,4-dimethylphenylsulfonyl chloride,3,4-dimethylbenzenesulphonyl chloride,3,4-dimethyl benzenesulfonyl chloride PubChem CID: 3689743 IUPAC Name: 3,4-dimethylbenzenesulfonyl chloride SMILES: CC1=C(C=C(C=C1)S(=O)(=O)Cl)C
2,6-Dimethylbenzoic acid, 98+%
CAS: 632-46-2 Molecular Formula: C9H10O2 Molecular Weight (g/mol): 150.177 MDL Number: MFCD00002483 InChI Key: HCBHQDKBSKYGCK-UHFFFAOYSA-N Synonym: benzoic acid, 2,6-dimethyl,2,6-dimethylbenzoicacid,2,6-dimethyl-benzoic acid,vic-m-xylylic acid,2,6-dimethyl benzoic acid,m-xylene-2-carboxylic acid,2,6-dimethylbenzene carboxylic acid,benzoic acid, 2,6-dimethyl-7ci,8ci,9ci,zlchem 286,vic.-m-xylylic acid PubChem CID: 12439 ChEBI: CHEBI:64827 IUPAC Name: 2,6-dimethylbenzoic acid SMILES: CC1=C(C(=CC=C1)C)C(=O)O