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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.

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1

Xylenes (Histological), Fisher Chemical™

CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Xylol,Dimethylbenzene

Synonyme Xylol,Dimethylbenzene
Numéro MDL MFCD00077264
CAS 1330-20-7
Formule moléculaire C8H10
2

Xylenes (Certified ACS), Fisher Chemical™

CAS: 1330-20-7 Numéro MDL: MFCD00077264

Numéro MDL MFCD00077264
CAS 1330-20-7
3
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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

Poids moléculaire (g/mol) 106.17
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
Numéro MDL MFCD00008519
CAS 95-47-6
CID PubChem 7237
ChEBI CHEBI:28063
Nom IUPAC 1,2-xylene
Clé InChI CTQNGGLPUBDAKN-UHFFFAOYSA-N
SMILES CC1=CC=CC=C1C
Formule moléculaire C8H10
4

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

Poids moléculaire (g/mol) 200.08
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
Numéro MDL MFCD00047826
CAS 41825-73-4
CID PubChem 170579
Nom IUPAC 2-bromo-4,6-dimethylaniline
Clé InChI YOSJCQJJIHEUKA-UHFFFAOYSA-N
SMILES CC1=CC(C)=C(N)C(Br)=C1
Formule moléculaire C8H10BrN
6

o-Xylene, CHROMASOLV™ Plus, for HPLC, 98%, Honeywell Riedel-de Haen

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

Poids moléculaire (g/mol) 106.17
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
Numéro MDL MFCD00008519
CAS 95-47-6
CID PubChem 7237
ChEBI CHEBI:28063
Nom IUPAC 1,2-xylene
Clé InChI CTQNGGLPUBDAKN-UHFFFAOYSA-N
SMILES CC1=CC=CC=C1C
Formule moléculaire C8H10
7

Xylenes, Histological Grade, Honeywell™

CAS: 1330-20-7 Numéro MDL: MFCD00077264

Numéro MDL MFCD00077264
CAS 1330-20-7
8

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

Poids moléculaire (g/mol) 149.237
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
Numéro MDL MFCD00008307
CAS 4913-13-7
CID PubChem 78625
Nom IUPAC N,N,3,5-tetramethylaniline
Clé InChI NBFRQCOZERNGEX-UHFFFAOYSA-N
SMILES CC1=CC(=CC(=C1)N(C)C)C
Formule moléculaire C10H15N
9

3,4-Dimethylphenylacetic acid, 98%

CAS: 17283-16-8 Formule moléculaire: C10H11O2 Poids moléculaire (g/mol): 163.20 Numéro MDL: MFCD02664684 Clé InChI: OTTPBKINJOYJGW-UHFFFAOYSA-M CID PubChem: 296013 Nom IUPAC: 2-(3,4-dimethylphenyl)acetic acid SMILES: CC1=CC=C(CC([O-])=O)C=C1C

Poids moléculaire (g/mol) 163.20
Numéro MDL MFCD02664684
CAS 17283-16-8
CID PubChem 296013
Nom IUPAC 2-(3,4-dimethylphenyl)acetic acid
Clé InChI OTTPBKINJOYJGW-UHFFFAOYSA-M
SMILES CC1=CC=C(CC([O-])=O)C=C1C
Formule moléculaire C10H11O2
10

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

Poids moléculaire (g/mol) 121.18
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
Numéro MDL MFCD00007747
CAS 87-62-7
CID PubChem 6896
ChEBI CHEBI:28738
Nom IUPAC 2,6-dimethylaniline
Clé InChI UFFBMTHBGFGIHF-UHFFFAOYSA-N
SMILES CC1=CC=CC(C)=C1N
Formule moléculaire C8H11N
11

Xylenes, 98+%, for analysis, mixture of isomers

CAS: 1330-20-7 Formule moléculaire: C8H10 Synonyme: Dimethylbenzene

Synonyme Dimethylbenzene
CAS 1330-20-7
Formule moléculaire C8H10
12

Xylenes, 98%, pure, mixture of isomers

CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Dimethylbenzene

Synonyme Dimethylbenzene
Numéro MDL MFCD00077264
CAS 1330-20-7
Formule moléculaire C8H10
13

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

Poids moléculaire (g/mol) 136.20
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
Numéro MDL MFCD00007729
CAS 3171-45-7
CID PubChem 76635
Nom IUPAC 4,5-dimethylbenzene-1,2-diamine
Clé InChI XSZYBMMYQCYIPC-UHFFFAOYSA-N
SMILES CC1=CC(N)=C(N)C=C1C
Formule moléculaire C8H12N2
14

Xylenes, 96%, pure, mixed isomers with ethylbenzene

CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Dimethylbenzene

Synonyme Dimethylbenzene
Numéro MDL MFCD00077264
CAS 1330-20-7
Formule moléculaire C8H10
15

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

Poids moléculaire (g/mol) 247.079
Synonyme 2,4-dimethyl-6-iodoaniline,2-iodo-4,6-di-methylaniline,benzenamine,2-iodo-4,6-dimethyl
Numéro MDL MFCD07779005
CAS 4102-54-9
CID PubChem 14040290
Nom IUPAC 2-iodo-4,6-dimethylaniline
Clé InChI ODPOIEACUVQCBZ-UHFFFAOYSA-N
SMILES CC1=CC(=C(C(=C1)I)N)C
Formule moléculaire C8H10IN