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.
2,3-Dimethylanisole, 97%
CAS: 2944-49-2 Molecular Formula: C9H12O Molecular Weight (g/mol): 136.194 MDL Number: MFCD00008376 InChI Key: BLMBNEVGYRXFNA-UHFFFAOYSA-N Synonym: 2,3-dimethylanisole,3-methoxy-o-xylene,benzene, 1-methoxy-2,3-dimethyl,benzene, methoxydimethyl,1,2-dimethyl-6-methoxybenzene,1-methoxy-2,3-dimethyl-benzene,dimethylanisole,pubchem4114,2,3-dimethyl anisole,2,3-dimethyl-anisole PubChem CID: 76269 IUPAC Name: 1-methoxy-2,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)OC)C
2,6-Dimethylanisole, 98+%
CAS: 1004-66-6 Molecular Formula: C9H12O Molecular Weight (g/mol): 136.19 MDL Number: MFCD00008380 InChI Key: GFNZJAUVJCGWLW-UHFFFAOYSA-N Synonym: 2,6-dimethylanisole,2-methoxy-m-xylene,benzene, 2-methoxy-1,3-dimethyl,1,3-dimethyl-2-methoxybenzene,pubchem4115,2,6-dimethyl anisole,acmc-1buuc,ksc493q8r,2,6-dimethylphenyl methyl ether PubChem CID: 66088 IUPAC Name: 2-methoxy-1,3-dimethylbenzene SMILES: COC1=C(C)C=CC=C1C
4-Chloro-2,6-dimethylaniline, 96%
CAS: 24596-18-7 Molecular Formula: C8H10ClN Molecular Weight (g/mol): 155.625 MDL Number: MFCD01076576 InChI Key: JCLZLZKUISPXDC-UHFFFAOYSA-N Synonym: 4-chloro-2,6-dimethyl-phenylamine,4-chloro-2,6-dimethylbenzenamine,2,6-dimethyl-4-chloroaniline,intermediates-zcf02661,acmc-20a53k,4-chlor-2,6-dimethylanilin,pharmabridge p-1739,4-chloro-2,6-dimethyl-aniline,4-chloro-2,6-xylidine,4-chloro-2,6-dimethylphenylamine PubChem CID: 5073362 IUPAC Name: 4-chloro-2,6-dimethylaniline SMILES: CC1=CC(=CC(=C1N)C)Cl
4-Chloro-m-xylene, 97%
CAS: 95-66-9 Molecular Formula: C8H9Cl Molecular Weight (g/mol): 140.61 MDL Number: MFCD00060644 InChI Key: UIEVCEQLNUHDIF-UHFFFAOYSA-N Synonym: 4-chloro-m-xylene,m-xylene, 4-chloro,2,4-dimethylchlorobenzene,benzene, 1-chloro-2,4-dimethyl,mxylene4chloro,1-chloro-2,4-dimethyl-benzene,4-chlor-m-xylol,pubchem3639,acmc-209rzq,4-chloro-meta-xylene PubChem CID: 523153 IUPAC Name: 1-chloro-2,4-dimethylbenzene SMILES: CC1=CC(=C(C=C1)Cl)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
2,3-Dimethylbenzeneboronic acid, 98%
CAS: 183158-34-1 Molecular Formula: C8H11BO2 Molecular Weight (g/mol): 149.984 MDL Number: MFCD01863524 InChI Key: ZYYANAWVBDFAHY-UHFFFAOYSA-N Synonym: 2,3-dimethylbenzeneboronic acid,2,3-dimethylphenyl boronic acid,o-xylene-3-boronic acid,2,3-dimethylphenyl boranediol,2,3-dimethylbenzeneboronicacid,2,3-dimethylphenylboronicacid,pubchem5037,acmc-1bxk2,amtb394,ksc174k9l PubChem CID: 2773395 IUPAC Name: (2,3-dimethylphenyl)boronic acid SMILES: B(C1=C(C(=CC=C1)C)C)(O)O
4-Bromo-m-xylene, 97%
CAS: 583-70-0 Molecular Formula: C8H9Br Molecular Weight (g/mol): 185.06 MDL Number: MFCD00000071 InChI Key: YSFLQVNTBBUKEA-UHFFFAOYSA-N Synonym: 4-bromo-m-xylene,2,4-dimethylbromobenzene,benzene, 1-bromo-2,4-dimethyl,4-bromo-1,3-dimethylbenzene,1,3-dimethyl-4-bromobenzene,m-xylene, 4-bromo,1-bromo-2,4-dimethyl-benzene,4-brom-m-xylol,pubchem3762,acmc-1aowv PubChem CID: 68503 IUPAC Name: 1-bromo-2,4-dimethylbenzene SMILES: CC1=CC=C(Br)C(C)=C1
4-Bromo-2,6-dimethylaniline, 98%
CAS: 24596-19-8 Molecular Formula: C8H10BrN Molecular Weight (g/mol): 200.08 MDL Number: MFCD00007826 InChI Key: QGLAYJCJLHNIGJ-UHFFFAOYSA-N Synonym: 4-bromo-2,6-xylidine,benzenamine, 4-bromo-2,6-dimethyl,4-bromo-2,6-dimethyl-phenylamine,2-amino-5-bromo-m-xylene,2,6-dimethyl-4-bromoaniline,4-bromo-2,6-dimethylbenzenamine,4-bromo-2,6-dimethylphenylamine,4-bromo-2,6-dimethyl-aniline,4-bromo-2,6-dimethylaniline,4-bromo-2,6-dimethyl-benzenamine PubChem CID: 90549 IUPAC Name: 4-bromo-2,6-dimethylaniline SMILES: CC1=CC(Br)=CC(C)=C1N
4-Iodo-m-xylene, 98%
CAS: 4214-28-2 Molecular Formula: C8H9I Molecular Weight (g/mol): 232.06 MDL Number: MFCD00013706 InChI Key: BUNKQJAMHYKQIM-UHFFFAOYSA-N Synonym: 4-iodo-m-xylene,2,4-dimethyliodobenzene,1,3-dimethyl-4-iodobenzene,m-xylene, 4-iodo,benzene, 1-iodo-2,4-dimethyl,2,4-dimethyl-1-iodobenzene,2-iodo-1,5-dimethylbenzene,4-jod-m-xylol,pubchem3869,acmc-209jnr PubChem CID: 77885 IUPAC Name: 1-iodo-2,4-dimethylbenzene SMILES: CC1=CC=C(I)C(C)=C1
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-Benzyloxy-3,5-dimethylbenzaldehyde, 95%
CAS: 144896-51-5 Molecular Formula: C16H16O2 Molecular Weight (g/mol): 240.30 MDL Number: MFCD00800683 InChI Key: GSYUTKRSEZMBNC-UHFFFAOYSA-N Synonym: 4-benzyloxy-3,5-dimethylbenzaldehyde,3,5-dimethyl-4-phenylmethoxy benzaldehyde,zlchem 1072,acmc-1bxy6,3,5-dimethyl-4-benzyloxybenzaldehyde,3,5-dimethyl-4-benzyloxy benzaldehyde,4-benzyloxy-3,5-dimethyl-benzaldehyde PubChem CID: 563557 IUPAC Name: 3,5-dimethyl-4-phenylmethoxybenzaldehyde SMILES: CC1=CC(C=O)=CC(C)=C1OCC1=CC=CC=C1
2,5-Dimethylbenzenesulfonyl chloride, 98%, Thermo Scientific™
CAS: 19040-62-1 Molecular Formula: C8H9ClO2S Molecular Weight (g/mol): 204.668 MDL Number: MFCD00024875 InChI Key: FZVZUIBYLZZOEW-UHFFFAOYSA-N Synonym: p-xylene-2-sulfonyl chloride,benzenesulfonyl chloride, 2,5-dimethyl,2,5-dimethylbenzene-1-sulfonyl chloride,2,5-dimethylphenylsulfonyl chloride,2,5-dimethyl-benzenesulfonyl chloride,benzenesulfonylchloride, 2,5-dimethyl,2,5-dimethylphenyl chlorosulfone,acmc-209etq,xylenesulfonylchloride,ksc178m0f PubChem CID: 87910 IUPAC Name: 2,5-dimethylbenzenesulfonyl chloride SMILES: CC1=CC(=C(C=C1)C)S(=O)(=O)Cl
2,4-Dimethylbenzoic acid, 97%
CAS: 611-01-8 Molecular Formula: C9H10O2 Molecular Weight (g/mol): 150.18 MDL Number: MFCD00002480 InChI Key: BKYWPNROPGQIFZ-UHFFFAOYSA-N Synonym: benzoic acid, 2,4-dimethyl,4-carboxy-1,3-dimethylbenzene,2,4-dimethyl benzoic acid,m-xylene-4-carboxylic acid,2,4-dimethyl-benzoic acid,2,4-dimethylbenzoicacid,m-xylylic acid,pubchem15441,2,4 dimethylbenzoic acid,benzoic acid,4-dimethyl PubChem CID: 11897 ChEBI: CHEBI:64811 IUPAC Name: 2,4-dimethylbenzoic acid SMILES: CC1=CC=C(C(O)=O)C(C)=C1
3,3',5,5'-Tetramethylbiphenyl, 97+%
CAS: 25570-02-9 Molecular Formula: C16H18 Molecular Weight (g/mol): 210.32 MDL Number: MFCD00051910 InChI Key: CMZYGFLOKOQMKF-UHFFFAOYSA-N PubChem CID: 520212 IUPAC Name: 1-(3,5-dimethylphenyl)-3,5-dimethylbenzene SMILES: CC1=CC(=CC(C)=C1)C1=CC(C)=CC(C)=C1
2,2',5,5'-Tetramethylbiphenyl, 98%
CAS: 3075-84-1 Molecular Formula: C16H18 Molecular Weight (g/mol): 210.32 MDL Number: MFCD00151846 InChI Key: ZHTROMYSDSTCCE-UHFFFAOYSA-N PubChem CID: 137818 IUPAC Name: 2-(2,5-dimethylphenyl)-1,4-dimethylbenzene SMILES: CC1=CC=C(C)C(=C1)C1=CC(C)=CC=C1C