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.
Xylene (Certified ACS), Fisher Chemical™ PROMO
CAS: 1330-20-7 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00077264 InChI Key: IVSZLXZYQVIEFR-UHFFFAOYSA-N Synonym: Xylol, Dimethylbenzene IUPAC Name: 1,3-xylene SMILES: CC1=CC(C)=CC=C1
Xylazine Hydrochloride 98.0+%, TCI America™
CAS: 23076-35-9 Molecular Formula: C12H17ClN2S Molecular Weight (g/mol): 256.79 MDL Number: MFCD00058196 InChI Key: QYEFBJRXKKSABU-UHFFFAOYSA-N Synonym: xylazine hydrochloride,xylazine hcl,n-2,6-dimethylphenyl-5,6-dihydro-4h-1,3-thiazin-2-amine hydrochloride,celactal,xylazine chloride,bay 1470 hydrochloride,unii-ngc3s0882s,ccris 8685,bay va 1470 PubChem CID: 68554 IUPAC Name: hydrogen N-(2,6-dimethylphenyl)-5,6-dihydro-4H-1,3-thiazin-2-amine chloride SMILES: [H+].[Cl-].CC1=CC=CC(C)=C1NC1=NCCCS1
m-Xylene, ≥99% (GC), Solstice
CAS: 108-38-3 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008536 InChI Key: IVSZLXZYQVIEFR-UHFFFAOYSA-N Synonym: m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 PubChem CID: 7929 ChEBI: CHEBI:28488 IUPAC Name: 1,3-xylene SMILES: CC1=CC(C)=CC=C1
2,5-Dimethyl-4-(morpholinomethyl)phenol Hydrochloride Monohydrate 97%, Thermo Scientific™
CAS: 33625-43-3 Molecular Formula: C13H20ClNO2 Molecular Weight (g/mol): 257.76 MDL Number: MFCD00012796 InChI Key: RLGUYDSHQWRANT-UHFFFAOYSA-N Synonym: 2,5-dimethyl-4-morpholinomethyl phenol hydrochloride,phenol, 2,5-dimethyl-4-4-morpholinylmethyl-, hydrochloride,phenol, 2,5-dimethyl-4-4-morpholinylmethyl-, hydrochloride 1:1,2,5-dimethyl-4-morpholin-4-ylmethyl phenol hydrochloride,2,5-dimethyl-4-morpholin-4-ylmethyl phenol, chloride,4-morpholinomethyl-2,5-xylenol hydrochloride,acmc-20aoah,2,5-dimethyl-4-morpholinomethyl phenolhydrochloride,2,5-dimethyl-4-4-morpholinylmethyl phenol hydrochloride hydrate PubChem CID: 118512 IUPAC Name: 2,5-dimethyl-4-[(morpholin-4-yl)methyl]phenol hydrochloride SMILES: Cl.CC1=CC(CN2CCOCC2)=C(C)C=C1O
3-(4-Bromophenyl)-4-(2,6-dimethylphenyl)-5-methyl-4H-1,2,4-triazole, 97%, Thermo Scientific™
CAS: 1421261-26-8 Molecular Formula: C17H16BrN3 Molecular Weight (g/mol): 342.24 MDL Number: MFCD22683106 InChI Key: BRDRVRSFOWPFQM-UHFFFAOYSA-N Synonym: 3-4-bromophenyl-4-2,6-dimethylphenyl-5-methyl-1,2,4-triazole,3-4-bromophenyl-4-2,6-dimethylphenyl-5-methyl-4h-1,2,4-triazole PubChem CID: 97030395 IUPAC Name: 3-(4-bromophenyl)-4-(2,6-dimethylphenyl)-5-methyl-1,2,4-triazole SMILES: CC1=C(C(=CC=C1)C)N2C(=NN=C2C3=CC=C(C=C3)Br)C
2,6-Dimethylbenzonitrile, 99%, Thermo Scientific™
CAS: 6575-13-9 Molecular Formula: C9H9N Molecular Weight (g/mol): 131.18 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
5-(2,6-Dimethylphenylcarbamoyl)-2-fluorobenzeneboronic acid, 97%, Thermo Scientific™
CAS: 1449142-45-3 Molecular Formula: C15H15BFNO3 Molecular Weight (g/mol): 287.097 MDL Number: MFCD20040158 InChI Key: CHJDUXDVLGUAJJ-UHFFFAOYSA-N Synonym: 5-2,6-dimethylphenylcarbamoyl-2-fluorobenzeneboronic acid,5-2,6-dimethylphenyl carbamoyl-2-fluorophenylboronic acid,5-2,6-dimethylphenylcarbamoyl-2-fluorophenylboronic acid PubChem CID: 73995698 IUPAC Name: [5-[(2,6-dimethylphenyl)carbamoyl]-2-fluorophenyl]boronic acid SMILES: B(C1=C(C=CC(=C1)C(=O)NC2=C(C=CC=C2C)C)F)(O)O
Methyl 3,4-dimethylbenzoate, 98%, Thermo Scientific™
CAS: 38404-42-1 Molecular Formula: C10H12O2 Molecular Weight (g/mol): 164.204 MDL Number: MFCD00219861 InChI Key: PTSSKYUSCIALKU-UHFFFAOYSA-N Synonym: 3,4-dimethylbenzoic acid methyl ester,benzoic acid, 3,4-dimethyl-, methyl ester,acmc-20akhv,4-methoxycarbonyl-o-xylene,#,methyl ester of 3,4-dimethylbenzoic acid PubChem CID: 520902 IUPAC Name: methyl 3,4-dimethylbenzoate SMILES: CC1=C(C=C(C=C1)C(=O)OC)C
o-Xylene, Reagent Grade, ≥98.0%, Solstice
CAS: 95-47-6 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008519 InChI Key: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonym: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC Name: 1,2-xylene SMILES: CC1=CC=CC=C1C
2,5-Dimethylphenol, 97%, Thermo Scientific™
CAS: 95-87-4 Molecular Formula: C8H10O Molecular Weight (g/mol): 122.17 MDL Number: MFCD00002237 InChI Key: NKTOLZVEWDHZMU-UHFFFAOYSA-N Synonym: 2,5-xylenol,p-xylenol,phenol, 2,5-dimethyl,3,6-dimethylphenol,6-methyl-m-cresol,3,6-xylenol,2,5-dimethyl phenol,2,5-dmp,1,2,5-xylenol,1-hydroxy-2,5-dimethylbenzene PubChem CID: 7267 IUPAC Name: 2,5-dimethylphenol SMILES: CC1=CC=C(C)C(O)=C1
2,3-Dimethylanisole, 97%, Thermo Scientific™
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
4-Chloro-2,6-dimethylaniline hydrochloride, 98%, Thermo Scientific™
CAS: 5769-32-4 Molecular Formula: C8H11Cl2N Molecular Weight (g/mol): 192.083 MDL Number: MFCD00671703 InChI Key: MHTIYKGRFKCWAU-UHFFFAOYSA-N Synonym: 4-chloro-2,6-dimethylaniline hydrochloride,acmc-1astt,4-chloro-2,6-xylidine hydrochloride,4-chloro-2,6-dimethylaniline hcl,4-chloranyl-2,6-dimethyl-aniline hydrochloride,4-chloro-2,6-dimethylaniline-hydrogen chloride 1/1 PubChem CID: 18406981 IUPAC Name: 4-chloro-2,6-dimethylaniline;hydrochloride SMILES: CC1=CC(=CC(=C1N)C)Cl.Cl
1,4-Dibromo-2,5-dimethylbenzene, 98+%, Thermo Scientific™
CAS: 1074-24-4 Molecular Formula: C8H8Br2 Molecular Weight (g/mol): 263.96 MDL Number: MFCD00000091 InChI Key: QENIALCDPFDFHX-UHFFFAOYSA-N Synonym: 2,5-dibromo-p-xylene,benzene, 1,4-dibromo-2,5-dimethyl,p-xylene, 2,5-dibromo,2,5-dibromo-1,4-dimethylbenzene,2,5-dimethyl-1,4-dibromobenzene,2,5-dibromo-4-xylene,2,4-dibromobenzene,p-xylene,5-dibromo,pubchem14829,acmc-1c2tg PubChem CID: 66175 IUPAC Name: 1,4-dibromo-2,5-dimethylbenzene SMILES: CC1=CC(Br)=C(C)C=C1Br
4-(2,6-Dimethylphenyl)-3-thiosemicarbazide, 97%, Thermo Scientific™
CAS: 71058-35-0 Molecular Formula: C9H13N3S Molecular Weight (g/mol): 195.28 MDL Number: MFCD00041281 InChI Key: YEOAXWBYZFHOIZ-UHFFFAOYSA-N Synonym: 4-2,6-dimethylphenyl-3-thiosemicarbazide,3-amino-1-2,6-dimethylphenyl thiourea,n-2,6-dimethylphenyl hydrazinecarbothioamide,1-amino-3-2,6-dimethylphenyl thiourea,2,6-dimethylphenylthiosemicarbazide,2,6-dimethylphenyl amino hydrazinomethane-1-thione PubChem CID: 736213 IUPAC Name: 3-amino-1-(2,6-dimethylphenyl)thiourea SMILES: CC1=CC=CC(C)=C1NC(=S)NN