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.
Xylenes (Histological), Fisher Chemical™
CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Xylol,Dimethylbenzene
Xylenes (Certified ACS), Fisher Chemical™
CAS: 1330-20-7 Numéro MDL: MFCD00077264
o-Xylene (Certified), Fisher Chemical
CAS: 95-47-6 Formule moléculaire: C8H10 Poids moléculaire (g/mol): 106.17 Numéro MDL: MFCD00008519 Clé InChI: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonyme: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes CID PubChem: 7237 ChEBI: CHEBI:28063 Nom IUPAC: 1,2-xylene SMILES: CC1=CC=CC=C1C
3-Bromo-o-xylene, 99%
CAS: 576-23-8 Formule moléculaire: C8H9Br Poids moléculaire (g/mol): 185.06 Numéro MDL: MFCD00000069 Clé InChI: WLPXNBYWDDYJTN-UHFFFAOYSA-N Synonyme: 3-bromo-o-xylene,3-bromo-1,2-dimethylbenzene,2,3-dimethylbromobenzene,2,3-dimethyl bromobenzene,benzene, bromodimethyl,1-bromo-2,3-dimethyl-benzene,benzene, 1-bromo-2,3-dimethyl,bromoxilene,xylylbromid,bromo-o-xylene CID PubChem: 68472 Nom IUPAC: 1-bromo-2,3-dimethylbenzene SMILES: CC1=CC=CC(Br)=C1C
4,5-Dimethyl-o-phenylenediamine, 98%, many contain up to ca 15% water
CAS: 3171-45-7 Formule moléculaire: C8H12N2 Poids moléculaire (g/mol): 136.20 Numéro MDL: MFCD00007729 Clé InChI: XSZYBMMYQCYIPC-UHFFFAOYSA-N Synonyme: 4,5-dimethyl-1,2-phenylenediamine,4,5-diamino-o-xylene,4,5-dimethyl-o-phenylenediamine,1,2-benzenediamine, 4,5-dimethyl,1,2-diamino-4,5-dimethylbenzene,4,5-dimethyl-1,2-benzenediamine,4,5-dimethyl-benzene-1,2-diamine,4,5-dimethyl-ortho-phenylenediamine,4,5-dimethylphenylene-1,2-diamine,4,5-dimethyl-o-phenylenediamine monohydrate CID PubChem: 76635 Nom IUPAC: 4,5-dimethylbenzene-1,2-diamine SMILES: CC1=CC(N)=C(N)C=C1C
2,6-Dimethylaniline, 99%
CAS: 87-62-7 Formule moléculaire: C8H11N Poids moléculaire (g/mol): 121.18 Numéro MDL: MFCD00007747 Clé InChI: UFFBMTHBGFGIHF-UHFFFAOYSA-N Synonyme: 2,6-xylidine,2-amino-m-xylene,o-xylidine,2,6-dimethylbenzenamine,2-amino-1,3-dimethylbenzene,2,6-dimethylphenylamine,benzenamine, 2,6-dimethyl,2,6-xylylamine,2-amino-1,3-xylene,1-amino-2,6-dimethylbenzene CID PubChem: 6896 ChEBI: CHEBI:28738 Nom IUPAC: 2,6-dimethylaniline SMILES: CC1=CC=CC(C)=C1N
3-Chloro-o-xylene, 97%
CAS: 608-23-1 Formule moléculaire: C8H9Cl Poids moléculaire (g/mol): 140.61 Numéro MDL: MFCD00060689 Clé InChI: NVLHGZIXTRYOKT-UHFFFAOYSA-N Synonyme: 3-chloro-o-xylene,2,3-dimethylchlorobenzene,benzene, chlorodimethyl,3-chloro-1,2-dimethylbenzene,3-chloro-ortho-xylene,benzene, 1-chloro-2,3-dimethyl,xylyl chloride,chloro o-xylene,mono-chlorxylol,chloro-ortho-xylene CID PubChem: 32884 Nom IUPAC: 1-chloro-2,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)Cl)C
Xylenes, 98+%, Extra Dry, mixed isomers, AcroSeal™
CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264
Xylenes, 98+%, for analysis, mixture of isomers
CAS: 1330-20-7 Formule moléculaire: C8H10 Synonyme: Dimethylbenzene
Xylenes, 96%, pure, mixed isomers with ethylbenzene
CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Dimethylbenzene
Xylenes, ACS, 98.5+% (Assay, isomers plus ethylbenzene)
CAS: 1330-20-7 Formule moléculaire: (CH3)2C6H4 Numéro MDL: MFCD00077264
o-Xylene, Spectrophotometric Grade, 96% min
CAS: 95-47-6 Formule moléculaire: C8H10 Poids moléculaire (g/mol): 106.17 Numéro MDL: MFCD00008519 Clé InChI: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonyme: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes CID PubChem: 7237 ChEBI: CHEBI:28063 Nom IUPAC: 1,2-xylene SMILES: CC1=CC=CC=C1C
o-Xylene, HPLC Grade, 96% min
CAS: 95-47-6 Formule moléculaire: C8H10 Poids moléculaire (g/mol): 106.17 Numéro MDL: MFCD00008519 Clé InChI: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonyme: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes CID PubChem: 7237 ChEBI: CHEBI:28063 Nom IUPAC: 1,2-xylene SMILES: CC1=CC=CC=C1C
Xylenes, Semiconductor Grade
CAS: 1330-20-7 Formule moléculaire: (CH3)2C6H4 Numéro MDL: MFCD00077264
2,6-Dimethylphenyl isocyanide
CAS: 2769-71-3 Formule moléculaire: C9H9N Poids moléculaire (g/mol): 131.18 Numéro MDL: MFCD00013479 Clé InChI: DNJLFZHMJDSJFN-UHFFFAOYSA-N Synonyme: 2,6-dimethylphenyl isocyanide,2,6-dimethylphenylisonitrile,2,6-dimethylphenylisocyanide,2,6-xyleneisonitrile,2,6-xylyl isocyanide,benzene,2-isocyano-1,3-dimethyl,benzene, 2-isocyano-1,3-dimethyl-9ci,vic.-m-xylyl isocyanide,acmc-20ao80,2,6-dimethyiphenyl isocyanide CID PubChem: 76009 Nom IUPAC: 2-isocyano-1,3-dimethylbenzene SMILES: CC1=CC=CC(C)=C1[N+]#[C-]