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
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
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
2,5-Dimethylphenol, 99+%
CAS: 95-87-4 Formule moléculaire: C8H10O Poids moléculaire (g/mol): 122.17 Numéro MDL: MFCD00002237 Clé InChI: NKTOLZVEWDHZMU-UHFFFAOYSA-N Synonyme: 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 CID PubChem: 7267 Nom IUPAC: 2,5-dimethylphenol SMILES: CC1=CC=C(C)C(O)=C1
2-Iodo-4,6-dimethylaniline, 98%, Thermo Scientific Chemicals
CAS: 4102-54-9 Formule moléculaire: C8H10IN Poids moléculaire (g/mol): 247.079 Numéro MDL: MFCD07779005 Clé InChI: ODPOIEACUVQCBZ-UHFFFAOYSA-N Synonyme: 2,4-dimethyl-6-iodoaniline,2-iodo-4,6-di-methylaniline,benzenamine,2-iodo-4,6-dimethyl CID PubChem: 14040290 Nom IUPAC: 2-iodo-4,6-dimethylaniline SMILES: CC1=CC(=C(C(=C1)I)N)C
Xylenes, 98+%, for analysis, mixture of isomers
CAS: 1330-20-7 Formule moléculaire: C8H10 Synonyme: Dimethylbenzene
N,N,3,5-Tetramethylaniline, 98%
CAS: 4913-13-7 Formule moléculaire: C10H15N Poids moléculaire (g/mol): 149.237 Numéro MDL: MFCD00008307 Clé InChI: NBFRQCOZERNGEX-UHFFFAOYSA-N Synonyme: benzenamine, n,n,3,5-tetramethyl,n,n-dimethyl-3,5-xylidine,3,5-xylidine, n,n-dimethyl,3,5-dimethylphenyl dimethylamine,acmc-209kew,5-dimethylamino-m-xylene,3,5,n,n-tetramethylaniline,n,n-dimethyl-sym-m-xylidine,n,n,3,5-tetramethyl aniline,n,n-3,5-tetramethylbenzenamine CID PubChem: 78625 Nom IUPAC: N,N,3,5-tetramethylaniline SMILES: CC1=CC(=CC(=C1)N(C)C)C
2-Bromo-4,6-dimethylaniline, 98%
CAS: 41825-73-4 Formule moléculaire: C8H10BrN Poids moléculaire (g/mol): 200.08 Numéro MDL: MFCD00047826 Clé InChI: YOSJCQJJIHEUKA-UHFFFAOYSA-N Synonyme: 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 CID PubChem: 170579 Nom IUPAC: 2-bromo-4,6-dimethylaniline SMILES: CC1=CC(C)=C(N)C(Br)=C1
Xylenes, 98%, pure, mixture of isomers
CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Dimethylbenzene
Xylenes, 96%, pure, mixed isomers with ethylbenzene
CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Dimethylbenzene
2,3-Dimethylaniline, 98%
CAS: 87-59-2 Formule moléculaire: C8H11N Poids moléculaire (g/mol): 121.183 Numéro MDL: MFCD00007732 Clé InChI: VVAKEQGKZNKUSU-UHFFFAOYSA-N Synonyme: 2,3-xylidine,3-amino-o-xylene,benzenamine, 2,3-dimethyl,2,3-dimethylbenzenamine,2,3-dimethylphenylamine,2,3-xylylamine,ortho-xylidine,vic-o-xylidine,unii-zd450abi9x,ccris 4739 CID PubChem: 6893 Nom IUPAC: 2,3-dimethylaniline SMILES: CC1=C(C(=CC=C1)N)C
3,5-Dimethylbenzoic acid, 98+%
CAS: 499-06-9 Formule moléculaire: C9H10O2 Poids moléculaire (g/mol): 150.177 Numéro MDL: MFCD00002525 Clé InChI: UMVOQQDNEYOJOK-UHFFFAOYSA-N Synonyme: mesitylenic acid,benzoic acid, 3,5-dimethyl,unii-ed8av34n0y,3,5-dimethyl benzoic acid,3,5-dimethyl-benzoic acid,ed8av34n0y,3,5-dimethylbenzoicacid,pubchem15440,3,5-dimethylbezoic acid,3,5 dimethylbenzoic acid CID PubChem: 10356 ChEBI: CHEBI:64821 Nom IUPAC: 3,5-dimethylbenzoic acid SMILES: CC1=CC(=CC(=C1)C(=O)O)C
2,4-Dimethylbenzeneboronic acid, 97%
CAS: 55499-44-0 Formule moléculaire: C8H11BO2 Poids moléculaire (g/mol): 149.984 Numéro MDL: MFCD02683101 Clé InChI: TYONHSPZXLFWKI-UHFFFAOYSA-N Synonyme: 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 CID PubChem: 4198739 Nom IUPAC: (2,4-dimethylphenyl)boronic acid SMILES: B(C1=C(C=C(C=C1)C)C)(O)O