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.
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
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
2,3-Dimethylbenzoic acid, 98%
CAS: 603-79-2 Molecular Formula: C9H10O2 Molecular Weight (g/mol): 150.177 MDL Number: MFCD00002479 InChI Key: RIZUCYSQUWMQLX-UHFFFAOYSA-N Synonym: hemellitic acid,benzoic acid, 2,3-dimethyl,2,3-dimethylbenzoicacid,2,3-dimethyl benzoic acid,2,3-dimethyl-benzoic acid,unii-7irp8ca267,2,3-dimethylbenzenecarboxylic acid,vic-o-xylylic acid,methyl m-toluic acid,pubchem2549 PubChem CID: 11782 ChEBI: CHEBI:64823 IUPAC Name: 2,3-dimethylbenzoic acid SMILES: CC1=CC=CC(=C1C)C(=O)O
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
3,5-Dimethylphenyl isocyanate, 97%
CAS: 54132-75-1 Molecular Formula: C9H9NO Molecular Weight (g/mol): 147.177 MDL Number: MFCD00013868 InChI Key: DZSGDHNHQAJZCO-UHFFFAOYSA-N Synonym: 3,5-dimethylphenyl isocyanate,3,5-dimethylphenylisocyanate,3,5-xylyl isocyanate,benzene, 1-isocyanato-3,5-dimethyl,isocyanic acid 3,5-dimethylphenyl ester,5-isocyanato-m-xylene,1-isocyanato-3,5-dimethyl-benzene,acmc-1axct,3,5-dimethylbenzenisocyanate,ksc274i2t PubChem CID: 521488 IUPAC Name: 1-isocyanato-3,5-dimethylbenzene SMILES: CC1=CC(=CC(=C1)N=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
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
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
3,5-Dimethylbenzeneboronic acid, 98%
CAS: 172975-69-8 Molecular Formula: C8H11BO2 Molecular Weight (g/mol): 149.984 MDL Number: MFCD00185689 InChI Key: DJGHSJBYKIQHIK-UHFFFAOYSA-N Synonym: 3,5-dimethylphenyl boronic acid,3,5-dimethylbenzeneboronic acid,3,5-dimethylphenyl boranediol,m-xylene-5-boronic acid,boronic acid, 3,5-dimethylphenyl,pubchem1833,acmc-209e5l,ksc174i6l,3.5-dimethylphenylboronic acid PubChem CID: 2734349 IUPAC Name: (3,5-dimethylphenyl)boronic acid SMILES: B(C1=CC(=CC(=C1)C)C)(O)O
Xylenes, ACS Specifications, 98.5% min., ACS, MilliporeSigma™
CAS: 1330-20-7 Molecular Formula: C6H4(CH3)2 Molecular Weight (g/mol): 106.17 Synonym: Dimethylbenzenes
Lidocaine, MP Biomedicals
CAS: 137-58-6 Molecular Formula: C14H22N2O Molecular Weight (g/mol): 234.343 InChI Key: NNJVILVZKWQKPM-UHFFFAOYSA-N Synonym: lidocaine,lignocaine,xylocaine,lidoderm,2-diethylamino-n-2,6-dimethylphenyl acetamide,anestacon,esracaine,duncaine,cappicaine,gravocain PubChem CID: 3676 ChEBI: CHEBI:6456 IUPAC Name: 2-(diethylamino)-N-(2,6-dimethylphenyl)acetamide SMILES: CCN(CC)CC(=O)NC1=C(C=CC=C1C)C
2-Fluoro-1,3-dimethylbenzene, 97%, Thermo Scientific™
CAS: 443-88-9 Molecular Formula: C8H9F Molecular Weight (g/mol): 124.158 MDL Number: MFCD00039215 InChI Key: JTAUTNBVFDTYTI-UHFFFAOYSA-N Synonym: 2,6-dimethylfluorobenzene,2-fluoro-m-xylene,1-fluoro-2,6-dimethylbenzene,1,3-dimethyl-2-fluorobenzene,benzene, 2-fluoro-1,3-dimethyl,2,6-dimethyl fluorobenzene,2-fluoro-1,3-dimethyl-benzene,fr b1 f1,pubchem4407,2-fluoro-3-methyltoluene PubChem CID: 123065 IUPAC Name: 2-fluoro-1,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)C)F
1,4-Diiodo-2,5-dimethylbenzene, 97%, Thermo Scientific™
CAS: 1124-08-9 Molecular Formula: C8H8I2 Molecular Weight (g/mol): 357.96 MDL Number: MFCD00829126 InChI Key: WJYYUEQVECTILJ-UHFFFAOYSA-N Synonym: 2,5-diiodo-p-xylene,benzene,1,4-diiodo-2,5-dimethyl,2,5-diiodo-rho-xylene,maybridge1_002567,1,4-bis iodanyl-2,5-dimethyl-benzene PubChem CID: 2736171 IUPAC Name: 1,4-diiodo-2,5-dimethylbenzene SMILES: CC1=CC(I)=C(C)C=C1I
Xylenes, 99.99%, For ACS analysis, MP Biomedicals™
CAS: 1330-20-7 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 Synonym: Xylol
Xylenes, 98.5%, MilliporeSigma™
CAS: 1330-20-7 Molecular Weight (g/mol): 106.17