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-Fluoro-m-xylene, 98%
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
3,5-Dimethylaniline, 97+%
CAS: 108-69-0 Molecular Formula: C8H11N Molecular Weight (g/mol): 121.183 MDL Number: MFCD00007813 InChI Key: MKARNSWMMBGSHX-UHFFFAOYSA-N Synonym: 3,5-xylidine,benzenamine, 3,5-dimethyl,3,5-xylylamine,3,5-dimethylphenylamine,3,5-xylidene,5-amino-1,3-xylene,1-amino-3,5-dimethylbenzene,3,5-dimethylbenzenamine,3,5-dimethylbenzeneamine,5-amino-1,3-dimethylbenzene PubChem CID: 7949 IUPAC Name: 3,5-dimethylaniline SMILES: CC1=CC(=CC(=C1)N)C
2,4-Dimethylbenzeneboronic acid, 97%
CAS: 55499-44-0 Molecular Formula: C8H11BO2 Molecular Weight (g/mol): 149.984 MDL Number: MFCD02683101 InChI Key: TYONHSPZXLFWKI-UHFFFAOYSA-N Synonym: 2,4-dimethylphenyl boronic acid,2,4-dimethylbenzeneboronic acid,2,4-dimethyl phenyl boronic acid,2,4-dimethylphenylboronicacid,4-dimethylphenylboronic acid,boronic acid, 2,4-dimethylphenyl,4-borono-m-xylene,pubchem9565,m-xylene-4-boronic acid,acmc-1ay9d PubChem CID: 4198739 IUPAC Name: (2,4-dimethylphenyl)boronic acid SMILES: B(C1=C(C=C(C=C1)C)C)(O)O
Mexiletine hydrochloride
CAS: 1-4-5370 Molecular Formula: C11H17NO·HCl Molecular Weight (g/mol): 215.72 InChI Key: NFEIBWMZVIVJLQ-UHFFFAOYNA-N Synonym: mexiletine hydrochloride,mexitil,mexiletine hcl,mexiletene hydrochloride,1-2,6-dimethylphenoxy-2-propanamine hydrochloride,1-2,6-dimethylphenoxy propan-2-amine hydrochloride,2-propanamine, 1-2,6-dimethylphenoxy-, hydrochloride,mexitil tn,1-2,6-xylyloxy-2-aminopropane hydrochloride PubChem CID: 21467 ChEBI: CHEBI:6917 IUPAC Name: 1-(2,6-dimethylphenoxy)propan-2-amine;hydrochloride SMILES: CC1=C(C(=CC=C1)C)OCC(C)N.Cl
3-Iodo-o-xylene, 97%
CAS: 31599-60-7 Molecular Formula: C8H9I Molecular Weight (g/mol): 232.064 MDL Number: MFCD00041437 InChI Key: DANMWBNOPFBJSZ-UHFFFAOYSA-N Synonym: 3-iodo-o-xylene,1,2-dimethyl-3-iodobenzene,2,3-dimethyliodobenzene,benzene, 1-iodo-2,3-dimethyl,benzene, iododimethyl,2,3-dimethyl-1-iodobenzene,jodxylol,3-iodo-ortho-xylene,pubchem3865,acmc-1ajf2 PubChem CID: 141645 IUPAC Name: 1-iodo-2,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)I)C
4-Iodo-o-xylene, 98+%
CAS: 31599-61-8 Molecular Formula: C8H9I Molecular Weight (g/mol): 232.064 MDL Number: MFCD00040989 InChI Key: CSFRCLYFVINMBZ-UHFFFAOYSA-N Synonym: 4-iodo-o-xylene,1,2-dimethyl-4-iodobenzene,benzene, 4-iodo-1,2-dimethyl,3,4-dimethyliodobenzene,1-iodo-3,4-dimethylbenzene,4-iodo-ortho-xylene,3,4-dimethyl-1-iodobenzene,4-iodo-orthoxylene,4-iodo-0-xylene,pubchem3105 PubChem CID: 141646 IUPAC Name: 4-iodo-1,2-dimethylbenzene SMILES: CC1=C(C=C(C=C1)I)C
2-Bromo-m-xylene, 98+%
CAS: 576-22-7 Molecular Formula: C8H9Br Molecular Weight (g/mol): 185.064 MDL Number: MFCD00000075 InChI Key: MYMYVYZLMUEVED-UHFFFAOYSA-N Synonym: 2,6-dimethylbromobenzene,2-bromo-m-xylene,1-bromo-2,6-dimethylbenzene,benzene, 2-bromo-1,3-dimethyl,2,6-dimethyl bromobenzene,m-xylene, 2-bromo,2,6-dimethylphenyl bromide,2-bromo-meta-xylene,2-bromo-1,3-dimethyl-benzene,pubchem3206 PubChem CID: 68471 IUPAC Name: 2-bromo-1,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)C)Br
2,5-Dichloro-p-xylene, 98%
CAS: 1124-05-6 Molecular Formula: C8H8Cl2 Molecular Weight (g/mol): 175.052 MDL Number: MFCD00000610 InChI Key: UTGSRNVBAFCOEU-UHFFFAOYSA-N Synonym: 2,5-dichloro-p-xylene,2,5-dichloro-1,4-dimethylbenzene,benzene, 1,4-dichloro-2,5-dimethyl,p-xylene, 2,5-dichloro,unii-7p8m86zob2,2,5-dichloro-para-xylene,p-xylene,5-dichloro,p-xylene,2,5-dichloro,acmc-2099eq,dsstox_cid_24780 PubChem CID: 70755 IUPAC Name: 1,4-dichloro-2,5-dimethylbenzene SMILES: CC1=CC(=C(C=C1Cl)C)Cl
5-Bromo-m-xylene, 98%
CAS: 556-96-7 Molecular Formula: C8H9Br Molecular Weight (g/mol): 185.064 MDL Number: MFCD00000087 InChI Key: LMFRTSBQRLSJHC-UHFFFAOYSA-N Synonym: 5-bromo-m-xylene,3,5-dimethylbromobenzene,benzene, 1-bromo-3,5-dimethyl,m-xylene, 5-bromo,5-bromo-1,3-xylene,5-bromo-1,3-dimethylbenzene,1-bromo-3,5-dimethyl-benzene,5-bromo-meta-xylene,5-bromo-3,5-dimethylbenzene,1-bromo-3,5-dimethyl benzene PubChem CID: 136357 IUPAC Name: 1-bromo-3,5-dimethylbenzene SMILES: CC1=CC(=CC(=C1)Br)C
4-Benzyloxy-3,5-dimethylbenzoic acid, 98+%
CAS: 97888-80-7 Molecular Formula: C16H16O3 Molecular Weight (g/mol): 256.301 MDL Number: MFCD00272572 InChI Key: JABUPJCJZZNUFK-UHFFFAOYSA-N Synonym: 4-benzyloxy-3,5-dimethylbenzoic acid,4-benzyloxy-3,5-dimethyl-benzoic acid,3,5-dimethyl-4-phenylmethoxy benzoic acid,4-benzyloxy-3,5-dimethyl-benzoate PubChem CID: 2733993 IUPAC Name: 3,5-dimethyl-4-phenylmethoxybenzoic acid SMILES: CC1=CC(=CC(=C1OCC2=CC=CC=C2)C)C(=O)O
2,6-Dimethylphenylboronic acid, 98%
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
2-Iodo-p-xylene, 98+%
CAS: 1122-42-5 Molecular Formula: C8H9I Molecular Weight (g/mol): 232.064 MDL Number: MFCD00013708 InChI Key: WYZVNUSNUCABRF-UHFFFAOYSA-N Synonym: 2-iodo-p-xylene,1,4-dimethyl-2-iodobenzene,p-xylene, 2-iodo,1-iodo-2,5-dimethylbenzene,benzene, 2-iodo-1,4-dimethyl,2-iodo-4-xylene,2,5-dimethyliodobenzene,2-iodo-1,4-dimethyl-benzene,2,5-dimethyl-1-iodobenzene,pubchem3875 PubChem CID: 70731 IUPAC Name: 2-iodo-1,4-dimethylbenzene SMILES: CC1=CC(=C(C=C1)C)I
3,4-Dimethylbenzamide, 98%
CAS: 5580-33-6 Molecular Formula: C9H11NO Molecular Weight (g/mol): 149.193 MDL Number: MFCD00052960 InChI Key: INGCXEIJXKQPJH-UHFFFAOYSA-N PubChem CID: 21755 IUPAC Name: 3,4-dimethylbenzamide SMILES: CC1=C(C=C(C=C1)C(=O)N)C
2-Bromo-4,6-dimethylaniline, 98%
CAS: 41825-73-4 Molecular Formula: C8H10BrN Molecular Weight (g/mol): 200.08 MDL Number: MFCD00047826 InChI Key: YOSJCQJJIHEUKA-UHFFFAOYSA-N Synonym: 2-bromo-4,6-dimethyl-aniline,6-bromo-2,4-xylidine,benzenamine, 2-bromo-4,6-dimethyl,2-bromo-4,6-dimethylphenylamine,4-amino-5-bromo-m-xylene,2-bromo-4,6-dimethylbenzenamine,2-bromo-4,6-dimethyl-phenylamine,2-amino-3,5-dimethyl-1-bromobenzene,pubchem3761 PubChem CID: 170579 IUPAC Name: 2-bromo-4,6-dimethylaniline SMILES: CC1=CC(C)=C(N)C(Br)=C1
2,6-Dimethylbenzonitrile, 97%
CAS: 6575-13-9 Molecular Formula: C9H9N Molecular Weight (g/mol): 131.178 MDL Number: MFCD00037166 InChI Key: QSACPWSIIRFHHR-UHFFFAOYSA-N Synonym: benzonitrile, 2,6-dimethyl,unii-1zh37s5b0z,2,6-dimethylbenzenecarbonitrile,2,6-dimethyl-benzonitrile,2-cyano-m-xylene,ksc494c5t,2,6-dimethylbenz0nitrile,3-cyano-2,4-dimethylphenyl PubChem CID: 81057 IUPAC Name: 2,6-dimethylbenzonitrile SMILES: CC1=C(C(=CC=C1)C)C#N