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-Chloro-p-xylene 98.0+%, TCI America™
CAS: 95-72-7 Molecular Formula: C8H9Cl Molecular Weight (g/mol): 140.61 MDL Number: MFCD00000564 InChI Key: KZNRNQGTVRTDPN-UHFFFAOYSA-N Synonym: 2-chloro-p-xylene,1-chloro-2,5-dimethylbenzene,2,5-dimethylchlorobenzene,benzene, 2-chloro-1,4-dimethyl,chloro-p-xylene,p-xylene, 2-chloro,2-chloro-1,4-dimethyl-benzene,unii-3y9k758wlv,chloro-p-xylene van,2-chlor-p-xylol PubChem CID: 32883 IUPAC Name: 2-chloro-1,4-dimethylbenzene SMILES: CC1=CC(=C(C=C1)C)Cl
2,6-Dimethylphenyl Isocyanate 98.0+%, TCI America™
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
p-Xylene-2-sulfonyl Chloride 98.0+%, TCI America™
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-Chloro-m-xylene 98.0+%, TCI America™
CAS: 6781-98-2 Molecular Formula: C8H9Cl Molecular Weight (g/mol): 140.61 MDL Number: MFCD00000565 InChI Key: VDXLAYAQGYCQEO-UHFFFAOYSA-N Synonym: 2-chloro-m-xylene,2,6-dimethylchlorobenzene,m-xylene, 2-chloro,benzene, 2-chloro-1,3-dimethyl,2,6-dimethyl chlorobenzene,2,6-dimethylphenyl chloride,1-chloro-2,6-dimethylbenzene,2,6-dimethylchlorobenzene;2-chloro-m-xylene,2-chloro-meta-xylene,pubchem3643 PubChem CID: 32885 IUPAC Name: 2-chloro-1,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)C)Cl
2,3-Dimethylanisole 98.0+%, TCI America™
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-6-(2,3-xylidino)-2-pyrimidinylthio]acetic Acid 99.0+%, TCI America™](https://assets.fishersci.com/TFS-Assets/CCG/Chemical-Structures/chemical-structure-cas-50892-23-4.jpg-250.jpg)
[4-Chloro-6-(2,3-xylidino)-2-pyrimidinylthio]acetic Acid 99.0+%, TCI America™
CAS: 50892-23-4 Molecular Formula: C14H14ClN3O2S Molecular Weight (g/mol): 323.80 MDL Number: MFCD00191335 InChI Key: SZRPDCCEHVWOJX-UHFFFAOYSA-N Synonym: pirinixic acid,4-chloro-6-2,3-xylidino-2-pyrimidinylthio acetic acid,pirinixic acid inn,unii-86c4mrt55a,ccris 133,acide pirinixique inn-french,acido pirinixico inn-spanish,acidum pirinixicum inn-latin,acetic acid, 4-chloro-6-2,3-dimethylphenyl amino-2-pyrimidinyl thio PubChem CID: 5694 ChEBI: CHEBI:32509 IUPAC Name: 2-({4-chloro-6-[(2,3-dimethylphenyl)amino]pyrimidin-2-yl}sulfanyl)acetic acid SMILES: CC1=CC=CC(NC2=CC(Cl)=NC(SCC(O)=O)=N2)=C1C
2-(3,5-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 97.0+%, TCI America™
CAS: 325142-93-6 Molecular Formula: C14H21BO2 Molecular Weight (g/mol): 232.13 InChI Key: XWCNEQGQJTWRHX-UHFFFAOYSA-N Synonym: 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-m-xylene, 3,5-Dimethylphenylboronic Acid Pinacol Ester PubChem CID: 15906198 IUPAC Name: 2-(3,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane SMILES: B1(OC(C(O1)(C)C)(C)C)C2=CC(=CC(=C2)C)C
2,3-Dimethylphenylboronic Acid (contains varying amounts of Anhydride), TCI America™
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
N,N-Diethyl-2,3-dimethylbenzamide 98.0+%, TCI America™
CAS: 57806-76-5 Molecular Formula: C13H19NO Molecular Weight (g/mol): 205.301 MDL Number: MFCD06797096 InChI Key: SMVYLWURFNYXTP-UHFFFAOYSA-N Synonym: N,N-Diethyl-o-xylene-3-carboxamide PubChem CID: 15621069 IUPAC Name: N,N-diethyl-2,3-dimethylbenzamide SMILES: CCN(CC)C(=O)C1=C(C(=CC=C1)C)C
2,3-Dimethylaniline Hydrochloride 98.0+%, TCI America™
CAS: 5417-45-8 Molecular Formula: C8H12ClN Molecular Weight (g/mol): 157.641 MDL Number: MFCD00054332 InChI Key: DUQDEEVOZDZJGQ-UHFFFAOYSA-N Synonym: 2,3-Xylidine Hydrochloride PubChem CID: 22239262 IUPAC Name: 2,3-dimethylaniline;hydrochloride SMILES: CC1=C(C(=CC=C1)N)C.Cl
Mexiletine Hydrochloride 98.0+%, TCI America™
CAS: 1-4-5370 Molecular Formula: C11H18ClNO Molecular Weight (g/mol): 215.72 MDL Number: MFCD00216024 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
2-Ethyl-p-xylene 98.0+%, TCI America™
CAS: 1758-88-9 Molecular Formula: C10H14 Molecular Weight (g/mol): 134.222 MDL Number: MFCD00059233 InChI Key: AXIUBBVSOWPLDA-UHFFFAOYSA-N Synonym: 2-ethyl-p-xylene,1,4-dimethyl-2-ethylbenzene,benzene, 2-ethyl-1,4-dimethyl,2,5-dimethylethylbenzene,p-xylene, 2-ethyl,1-ethyl-2,5-dimethylbenzene,1,4-dimethyl-2-ethyl benzene,acmc-1c122,p-xylene, 2-ethyl-8ci PubChem CID: 15653 IUPAC Name: 2-ethyl-1,4-dimethylbenzene SMILES: CCC1=C(C=CC(=C1)C)C
2,3-Dimethylbenzoic Acid 98.0+%, TCI America™
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-Dimethylaniline Hydrochloride 98.0+%, TCI America™
CAS: 21436-98-6 Molecular Formula: C8H12ClN Molecular Weight (g/mol): 157.641 MDL Number: MFCD00060213 InChI Key: QNWMFJDRMZWZNN-UHFFFAOYSA-N Synonym: 2,6-Xylidine Hydrochloride PubChem CID: 88899 IUPAC Name: 2,6-dimethylaniline;hydrochloride SMILES: CC1=C(C(=CC=C1)C)N.Cl
6-tert-Butyl-2,4-xylenol 97.0+%, TCI America™
CAS: 1879-09-0 Molecular Formula: C12H18O Molecular Weight (g/mol): 178.28 MDL Number: MFCD00002234 InChI Key: OPLCSTZDXXUYDU-UHFFFAOYSA-N Synonym: 2,4-dimethyl-6-tert-butylphenol,2-tert-butyl-4,6-dimethylphenol,6-tert-butyl-2,4-dimethylphenol,topanol a,6-tert-butyl-2,4-xylenol,6-t-butyl-2,4-xylenol,prodox 340,phenol, 2-1,1-dimethylethyl-4,6-dimethyl,6-t-butyl-2,4-dimethylphenol,2,4-xylenol, 6-tert-butyl PubChem CID: 15884 IUPAC Name: 2-tert-butyl-4,6-dimethylphenol SMILES: CC1=CC(C)=C(O)C(=C1)C(C)(C)C