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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

3,4-Dimethylthiobenzamide, 97%, Thermo Scientific Chemicals

CAS: 58952-03-7 Formule moléculaire: C9H11NS Poids moléculaire (g/mol): 165.25 Numéro MDL: MFCD06738326 Clé InChI: MGSZKKVFYBQMPF-UHFFFAOYSA-N Synonyme: 3,4-dimethyl-thiobenzamide,3,4-dimethylthiobenzamide,3,4-dimethylbenzothioamide,3,4-dimethylbenzene-1-carbothioamide,3,4-dimethyl-thiobenzamid CID PubChem: 20470851 Nom IUPAC: 3,4-dimethylbenzenecarbothioamide SMILES: CC1=C(C)C=C(C=C1)C(N)=S

Poids moléculaire (g/mol) 165.25
Synonyme 3,4-dimethyl-thiobenzamide,3,4-dimethylthiobenzamide,3,4-dimethylbenzothioamide,3,4-dimethylbenzene-1-carbothioamide,3,4-dimethyl-thiobenzamid
Numéro MDL MFCD06738326
CAS 58952-03-7
CID PubChem 20470851
Nom IUPAC 3,4-dimethylbenzenecarbothioamide
Clé InChI MGSZKKVFYBQMPF-UHFFFAOYSA-N
SMILES CC1=C(C)C=C(C=C1)C(N)=S
Formule moléculaire C9H11NS
5

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
6

3,5-Dimethylbenzoic acid, 99%

CAS: 499-06-9 Formule moléculaire: C9H10O2 Poids moléculaire (g/mol): 150.18 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

Poids moléculaire (g/mol) 150.18
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
Numéro MDL MFCD00002525
CAS 499-06-9
CID PubChem 10356
ChEBI CHEBI:64821
Nom IUPAC 3,5-dimethylbenzoic acid
Clé InChI UMVOQQDNEYOJOK-UHFFFAOYSA-N
SMILES CC1=CC(=CC(=C1)C(=O)O)C
Formule moléculaire C9H10O2
7

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

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
8

4-Fluoro-o-xylene, 98%

CAS: 452-64-2 Formule moléculaire: C8H9F Poids moléculaire (g/mol): 124.158 Numéro MDL: MFCD00039217 Clé InChI: WYHBENDEZDFJNU-UHFFFAOYSA-N Synonyme: 4-fluoro-o-xylene,1,2-dimethyl-4-fluorobenzene,3,4-dimethylfluorobenzene,4-fluoro-1,2-xylene,1-fluoro-3,4-dimethylbenzene,benzene, 4-fluoro-1,2-dimethyl,o-xylene, 4-fluoro,pubchem14118,acmc-1afww,3,4-dimethyl fluorobenzene CID PubChem: 253306 Nom IUPAC: 4-fluoro-1,2-dimethylbenzene SMILES: CC1=C(C=C(C=C1)F)C

Poids moléculaire (g/mol) 124.158
Synonyme 4-fluoro-o-xylene,1,2-dimethyl-4-fluorobenzene,3,4-dimethylfluorobenzene,4-fluoro-1,2-xylene,1-fluoro-3,4-dimethylbenzene,benzene, 4-fluoro-1,2-dimethyl,o-xylene, 4-fluoro,pubchem14118,acmc-1afww,3,4-dimethyl fluorobenzene
Numéro MDL MFCD00039217
CAS 452-64-2
CID PubChem 253306
Nom IUPAC 4-fluoro-1,2-dimethylbenzene
Clé InChI WYHBENDEZDFJNU-UHFFFAOYSA-N
SMILES CC1=C(C=C(C=C1)F)C
Formule moléculaire C8H9F
9

4-Chloro-2,5-dimethylbenzenesulfonyl chloride, 98%

CAS: 88-49-3 Formule moléculaire: C8H8Cl2O2S Poids moléculaire (g/mol): 239.11 Numéro MDL: MFCD00044017 Clé InChI: JBYZPUBAISWVDI-UHFFFAOYSA-N Synonyme: 5-chloro-p-xylene-2-sulphonyl chloride,4-chloro-2,5-dimethylbenzene-1-sulfonyl chloride,4-chloro-2, 5-dimethylphenylsulfonyl chloride,2,5-dimethyl-4-chlorobenzenesulfonyl chloride,chloro 4-chloro-2,5-dimethylphenyl sulfone,pubchem5091,4-chloro-2,5-dimethylbenzenesulfonylchloride,4-chloro 2,5-dimethylphenylsulfonylchloride,4-chloro-2,5-dimethylphenylsulfonyl chloride,4-chloro-2,5-dimethyl-benzenesulfonyl chloride CID PubChem: 66618 Nom IUPAC: 4-chloro-2,5-dimethylbenzenesulfonyl chloride SMILES: CC1=CC(=C(C)C=C1Cl)S(Cl)(=O)=O

Poids moléculaire (g/mol) 239.11
Synonyme 5-chloro-p-xylene-2-sulphonyl chloride,4-chloro-2,5-dimethylbenzene-1-sulfonyl chloride,4-chloro-2, 5-dimethylphenylsulfonyl chloride,2,5-dimethyl-4-chlorobenzenesulfonyl chloride,chloro 4-chloro-2,5-dimethylphenyl sulfone,pubchem5091,4-chloro-2,5-dimethylbenzenesulfonylchloride,4-chloro 2,5-dimethylphenylsulfonylchloride,4-chloro-2,5-dimethylphenylsulfonyl chloride,4-chloro-2,5-dimethyl-benzenesulfonyl chloride
Numéro MDL MFCD00044017
CAS 88-49-3
CID PubChem 66618
Nom IUPAC 4-chloro-2,5-dimethylbenzenesulfonyl chloride
Clé InChI JBYZPUBAISWVDI-UHFFFAOYSA-N
SMILES CC1=CC(=C(C)C=C1Cl)S(Cl)(=O)=O
Formule moléculaire C8H8Cl2O2S
10

m-Xylene, 99+%, extra pure

CAS: 108-38-3 Formule moléculaire: C8H10 Poids moléculaire (g/mol): 106.17 Numéro MDL: MFCD00008536 Clé InChI: IVSZLXZYQVIEFR-UHFFFAOYSA-N Synonyme: m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150 CID PubChem: 7929 ChEBI: CHEBI:28488 Nom IUPAC: 1,3-xylene SMILES: CC1=CC(C)=CC=C1

Poids moléculaire (g/mol) 106.17
Synonyme m-xylene,1,3-dimethylbenzene,m-xylol,m-dimethylbenzene,meta-xylene,m-methyltoluene,3-xylene,benzene, 1,3-dimethyl,1,3-dimethylbenzol,santosol 150
Numéro MDL MFCD00008536
CAS 108-38-3
CID PubChem 7929
ChEBI CHEBI:28488
Nom IUPAC 1,3-xylene
Clé InChI IVSZLXZYQVIEFR-UHFFFAOYSA-N
SMILES CC1=CC(C)=CC=C1
Formule moléculaire C8H10
11

p-Xylene, 99%, pure

CAS: 106-42-3 Formule moléculaire: C8H10 Poids moléculaire (g/mol): 106.17 Numéro MDL: MFCD00008556 Clé InChI: URLKBWYHVLBVBO-UHFFFAOYSA-N Synonyme: p-xylene,para-xylene,1,4-dimethylbenzene,p-methyltoluene,p-dimethylbenzene,p-xylol,benzene, 1,4-dimethyl,4-xylene,chromar,4-methyltoluene CID PubChem: 7809 ChEBI: CHEBI:27417 Nom IUPAC: 1,4-xylene SMILES: CC1=CC=C(C)C=C1

Poids moléculaire (g/mol) 106.17
Synonyme p-xylene,para-xylene,1,4-dimethylbenzene,p-methyltoluene,p-dimethylbenzene,p-xylol,benzene, 1,4-dimethyl,4-xylene,chromar,4-methyltoluene
Numéro MDL MFCD00008556
CAS 106-42-3
CID PubChem 7809
ChEBI CHEBI:27417
Nom IUPAC 1,4-xylene
Clé InChI URLKBWYHVLBVBO-UHFFFAOYSA-N
SMILES CC1=CC=C(C)C=C1
Formule moléculaire C8H10
12

3,3',5,5'-Tetramethylbiphenyl, 97+%

CAS: 25570-02-9 Formule moléculaire: C16H18 Poids moléculaire (g/mol): 210.32 Numéro MDL: MFCD00051910 Clé InChI: CMZYGFLOKOQMKF-UHFFFAOYSA-N CID PubChem: 520212 Nom IUPAC: 1-(3,5-dimethylphenyl)-3,5-dimethylbenzene SMILES: CC1=CC(=CC(C)=C1)C1=CC(C)=CC(C)=C1

Poids moléculaire (g/mol) 210.32
Numéro MDL MFCD00051910
CAS 25570-02-9
CID PubChem 520212
Nom IUPAC 1-(3,5-dimethylphenyl)-3,5-dimethylbenzene
Clé InChI CMZYGFLOKOQMKF-UHFFFAOYSA-N
SMILES CC1=CC(=CC(C)=C1)C1=CC(C)=CC(C)=C1
Formule moléculaire C16H18
13

2-Iodo-p-xylene, 98+%

CAS: 1122-42-5 Formule moléculaire: C8H9I Poids moléculaire (g/mol): 232.064 Numéro MDL: MFCD00013708 Clé InChI: WYZVNUSNUCABRF-UHFFFAOYSA-N Synonyme: 2-iodo-p-xylene,1,4-dimethyl-2-iodobenzene,p-xylene, 2-iodo,1-iodo-2,5-dimethylbenzene,benzene, 2-iodo-1,4-dimethyl,2-iodo-4-xylene,2,5-dimethyliodobenzene,2-iodo-1,4-dimethyl-benzene,2,5-dimethyl-1-iodobenzene,pubchem3875 CID PubChem: 70731 Nom IUPAC: 2-iodo-1,4-dimethylbenzene SMILES: CC1=CC(=C(C=C1)C)I

Poids moléculaire (g/mol) 232.064
Synonyme 2-iodo-p-xylene,1,4-dimethyl-2-iodobenzene,p-xylene, 2-iodo,1-iodo-2,5-dimethylbenzene,benzene, 2-iodo-1,4-dimethyl,2-iodo-4-xylene,2,5-dimethyliodobenzene,2-iodo-1,4-dimethyl-benzene,2,5-dimethyl-1-iodobenzene,pubchem3875
Numéro MDL MFCD00013708
CAS 1122-42-5
CID PubChem 70731
Nom IUPAC 2-iodo-1,4-dimethylbenzene
Clé InChI WYZVNUSNUCABRF-UHFFFAOYSA-N
SMILES CC1=CC(=C(C=C1)C)I
Formule moléculaire C8H9I
14

2,3-Dimethylanisole, 97%

CAS: 2944-49-2 Formule moléculaire: C9H12O Poids moléculaire (g/mol): 136.194 Numéro MDL: MFCD00008376 Clé InChI: BLMBNEVGYRXFNA-UHFFFAOYSA-N Synonyme: 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 CID PubChem: 76269 Nom IUPAC: 1-methoxy-2,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)OC)C

Poids moléculaire (g/mol) 136.194
Synonyme 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
Numéro MDL MFCD00008376
CAS 2944-49-2
CID PubChem 76269
Nom IUPAC 1-methoxy-2,3-dimethylbenzene
Clé InChI BLMBNEVGYRXFNA-UHFFFAOYSA-N
SMILES CC1=C(C(=CC=C1)OC)C
Formule moléculaire C9H12O
15

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