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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

Xylenes, contains ethylbenzene, BAKER ANALYZED™ A.C.S. Reagent, J.T. Baker™

CAS: 1330-20-7 Formule moléculaire: C6H4(CH3)2

CAS 1330-20-7
Formule moléculaire C6H4(CH3)2
6

Xylenes, mixed, 97+%

CAS: 1330-20-7 Formule moléculaire: C8H10 Numéro MDL: MFCD00077264 Synonyme: Dimethylbenzenes + ethylbenzene

Synonyme Dimethylbenzenes + ethylbenzene
Numéro MDL MFCD00077264
CAS 1330-20-7
Formule moléculaire C8H10
7

4,5-Dibromo-o-xylene, 97%

CAS: 24932-48-7 Formule moléculaire: C8H8Br2 Poids moléculaire (g/mol): 263.96 Numéro MDL: MFCD00082743 Clé InChI: BCIDDURGCAHERU-UHFFFAOYSA-N Synonyme: 4,5-dibromo-o-xylene,benzene, 1,2-dibromo-4,5-dimethyl,acmc-209gfu,benzene,1,2-dibromo-4,5-dimethyl,1,2-bis bromanyl-4,5-dimethyl-benzene,1,2-dibromo-4,5-dimethylbenzene,1,2-dibromo-4,5-dimethyl-benzene CID PubChem: 34347 Nom IUPAC: 1,2-dibromo-4,5-dimethylbenzene SMILES: CC1=CC(Br)=C(Br)C=C1C

Poids moléculaire (g/mol) 263.96
Synonyme 4,5-dibromo-o-xylene,benzene, 1,2-dibromo-4,5-dimethyl,acmc-209gfu,benzene,1,2-dibromo-4,5-dimethyl,1,2-bis bromanyl-4,5-dimethyl-benzene,1,2-dibromo-4,5-dimethylbenzene,1,2-dibromo-4,5-dimethyl-benzene
Numéro MDL MFCD00082743
CAS 24932-48-7
CID PubChem 34347
Nom IUPAC 1,2-dibromo-4,5-dimethylbenzene
Clé InChI BCIDDURGCAHERU-UHFFFAOYSA-N
SMILES CC1=CC(Br)=C(Br)C=C1C
Formule moléculaire C8H8Br2
8

4-Bromo-2,6-dimethylanisole, 99%

CAS: 14804-38-7 Formule moléculaire: C9H11BrO Poids moléculaire (g/mol): 215.09 Numéro MDL: MFCD00143259 Clé InChI: MMARFGDTMJBIBK-UHFFFAOYSA-N Synonyme: 4-bromo-2,6-dimethylanisole,5-bromo-2-methoxy-m-xylene,4-brom-2,6-dimethylanisole,1-bromo-3,5-dimethyl-4-methoxybenzene,2,6-dimethyl-4-bromoanisole,benzene, 5-bromo-2-methoxy-1,3-dimethyl,timtec-bb sbb005776,attercop-chm at108629,4-bromo-2,6-dimethyl-methoxybenzene,pubchem2654 CID PubChem: 278654 Nom IUPAC: 5-bromo-2-methoxy-1,3-dimethylbenzene SMILES: COC1=C(C)C=C(Br)C=C1C

Poids moléculaire (g/mol) 215.09
Synonyme 4-bromo-2,6-dimethylanisole,5-bromo-2-methoxy-m-xylene,4-brom-2,6-dimethylanisole,1-bromo-3,5-dimethyl-4-methoxybenzene,2,6-dimethyl-4-bromoanisole,benzene, 5-bromo-2-methoxy-1,3-dimethyl,timtec-bb sbb005776,attercop-chm at108629,4-bromo-2,6-dimethyl-methoxybenzene,pubchem2654
Numéro MDL MFCD00143259
CAS 14804-38-7
CID PubChem 278654
Nom IUPAC 5-bromo-2-methoxy-1,3-dimethylbenzene
Clé InChI MMARFGDTMJBIBK-UHFFFAOYSA-N
SMILES COC1=C(C)C=C(Br)C=C1C
Formule moléculaire C9H11BrO
9

5-Bromo-m-xylene, 98%

CAS: 556-96-7 Formule moléculaire: C8H9Br Poids moléculaire (g/mol): 185.064 Numéro MDL: MFCD00000087 Clé InChI: LMFRTSBQRLSJHC-UHFFFAOYSA-N Synonyme: 5-bromo-m-xylene,3,5-dimethylbromobenzene,benzene, 1-bromo-3,5-dimethyl,m-xylene, 5-bromo,5-bromo-1,3-xylene,5-bromo-1,3-dimethylbenzene,1-bromo-3,5-dimethyl-benzene,5-bromo-meta-xylene,5-bromo-3,5-dimethylbenzene,1-bromo-3,5-dimethyl benzene CID PubChem: 136357 Nom IUPAC: 1-bromo-3,5-dimethylbenzene SMILES: CC1=CC(=CC(=C1)Br)C

Poids moléculaire (g/mol) 185.064
Synonyme 5-bromo-m-xylene,3,5-dimethylbromobenzene,benzene, 1-bromo-3,5-dimethyl,m-xylene, 5-bromo,5-bromo-1,3-xylene,5-bromo-1,3-dimethylbenzene,1-bromo-3,5-dimethyl-benzene,5-bromo-meta-xylene,5-bromo-3,5-dimethylbenzene,1-bromo-3,5-dimethyl benzene
Numéro MDL MFCD00000087
CAS 556-96-7
CID PubChem 136357
Nom IUPAC 1-bromo-3,5-dimethylbenzene
Clé InChI LMFRTSBQRLSJHC-UHFFFAOYSA-N
SMILES CC1=CC(=CC(=C1)Br)C
Formule moléculaire C8H9Br
10

3,4-Dimethylbenzeneboronic acid, 98+%

CAS: 55499-43-9 Formule moléculaire: C8H11BO2 Poids moléculaire (g/mol): 149.98 Numéro MDL: MFCD01009694 Clé InChI: KDVZJKOYSOFXRV-UHFFFAOYSA-N Synonyme: 3,4-dimethylphenyl boronic acid,3,4-dimethylbenzeneboronic acid,3,4-dimethylphenyl boranediol,3,4-dimethylphenylboronicacid,4-borono-o-xylene,boronic acid, 3,4-dimethylphenyl,pubchem1832,acmc-209lna,3.4-dimethylbenzeneboronic acid,3,4-dimethyl phenylboronic acid CID PubChem: 2734348 Nom IUPAC: (3,4-dimethylphenyl)boronic acid SMILES: CC1=CC=C(C=C1C)B(O)O

Poids moléculaire (g/mol) 149.98
Synonyme 3,4-dimethylphenyl boronic acid,3,4-dimethylbenzeneboronic acid,3,4-dimethylphenyl boranediol,3,4-dimethylphenylboronicacid,4-borono-o-xylene,boronic acid, 3,4-dimethylphenyl,pubchem1832,acmc-209lna,3.4-dimethylbenzeneboronic acid,3,4-dimethyl phenylboronic acid
Numéro MDL MFCD01009694
CAS 55499-43-9
CID PubChem 2734348
Nom IUPAC (3,4-dimethylphenyl)boronic acid
Clé InChI KDVZJKOYSOFXRV-UHFFFAOYSA-N
SMILES CC1=CC=C(C=C1C)B(O)O
Formule moléculaire C8H11BO2
11

3,4-Dimethylbenzamide, 98%

CAS: 5580-33-6 Formule moléculaire: C9H11NO Poids moléculaire (g/mol): 149.193 Numéro MDL: MFCD00052960 Clé InChI: INGCXEIJXKQPJH-UHFFFAOYSA-N CID PubChem: 21755 Nom IUPAC: 3,4-dimethylbenzamide SMILES: CC1=C(C=C(C=C1)C(=O)N)C

Poids moléculaire (g/mol) 149.193
Numéro MDL MFCD00052960
CAS 5580-33-6
CID PubChem 21755
Nom IUPAC 3,4-dimethylbenzamide
Clé InChI INGCXEIJXKQPJH-UHFFFAOYSA-N
SMILES CC1=C(C=C(C=C1)C(=O)N)C
Formule moléculaire C9H11NO
12

2-Chloro-m-xylene, 98%

CAS: 6781-98-2 Formule moléculaire: C8H9Cl Poids moléculaire (g/mol): 140.61 Numéro MDL: MFCD00000565 Clé InChI: VDXLAYAQGYCQEO-UHFFFAOYSA-N Synonyme: 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 CID PubChem: 32885 Nom IUPAC: 2-chloro-1,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)C)Cl

Poids moléculaire (g/mol) 140.61
Synonyme 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
Numéro MDL MFCD00000565
CAS 6781-98-2
CID PubChem 32885
Nom IUPAC 2-chloro-1,3-dimethylbenzene
Clé InChI VDXLAYAQGYCQEO-UHFFFAOYSA-N
SMILES CC1=C(C(=CC=C1)C)Cl
Formule moléculaire C8H9Cl
13

4-Iodo-m-xylene, 98%

CAS: 4214-28-2 Formule moléculaire: C8H9I Poids moléculaire (g/mol): 232.06 Numéro MDL: MFCD00013706 Clé InChI: BUNKQJAMHYKQIM-UHFFFAOYSA-N Synonyme: 4-iodo-m-xylene,2,4-dimethyliodobenzene,1,3-dimethyl-4-iodobenzene,m-xylene, 4-iodo,benzene, 1-iodo-2,4-dimethyl,2,4-dimethyl-1-iodobenzene,2-iodo-1,5-dimethylbenzene,4-jod-m-xylol,pubchem3869,acmc-209jnr CID PubChem: 77885 Nom IUPAC: 1-iodo-2,4-dimethylbenzene SMILES: CC1=CC=C(I)C(C)=C1

Poids moléculaire (g/mol) 232.06
Synonyme 4-iodo-m-xylene,2,4-dimethyliodobenzene,1,3-dimethyl-4-iodobenzene,m-xylene, 4-iodo,benzene, 1-iodo-2,4-dimethyl,2,4-dimethyl-1-iodobenzene,2-iodo-1,5-dimethylbenzene,4-jod-m-xylol,pubchem3869,acmc-209jnr
Numéro MDL MFCD00013706
CAS 4214-28-2
CID PubChem 77885
Nom IUPAC 1-iodo-2,4-dimethylbenzene
Clé InChI BUNKQJAMHYKQIM-UHFFFAOYSA-N
SMILES CC1=CC=C(I)C(C)=C1
Formule moléculaire C8H9I
14

2-Iodo-m-xylene, 98%

CAS: 608-28-6 Formule moléculaire: C8H9I Poids moléculaire (g/mol): 232.064 Numéro MDL: MFCD00019012 Clé InChI: QTUGGVBKWIYQSS-UHFFFAOYSA-N Synonyme: 2-iodo-m-xylene,2,6-dimethyliodobenzene,m-xylene, 2-iodo,benzene, 2-iodo-1,3-dimethyl,1,3-dimethyl-2-iodobenzene,2-iodo-1,3-dimethyl-benzene,2,6-dimethyl-1-iodobenzene,2-iodo-o-xylene,pubchem3867,acmc-1axwc CID PubChem: 69097 Nom IUPAC: 2-iodo-1,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)C)I

Poids moléculaire (g/mol) 232.064
Synonyme 2-iodo-m-xylene,2,6-dimethyliodobenzene,m-xylene, 2-iodo,benzene, 2-iodo-1,3-dimethyl,1,3-dimethyl-2-iodobenzene,2-iodo-1,3-dimethyl-benzene,2,6-dimethyl-1-iodobenzene,2-iodo-o-xylene,pubchem3867,acmc-1axwc
Numéro MDL MFCD00019012
CAS 608-28-6
CID PubChem 69097
Nom IUPAC 2-iodo-1,3-dimethylbenzene
Clé InChI QTUGGVBKWIYQSS-UHFFFAOYSA-N
SMILES CC1=C(C(=CC=C1)C)I
Formule moléculaire C8H9I
15

2,6-Dimethylbenzonitrile, 97%

CAS: 6575-13-9 Formule moléculaire: C9H9N Poids moléculaire (g/mol): 131.178 Numéro MDL: MFCD00037166 Clé InChI: QSACPWSIIRFHHR-UHFFFAOYSA-N Synonyme: benzonitrile, 2,6-dimethyl,unii-1zh37s5b0z,2,6-dimethylbenzenecarbonitrile,2,6-dimethyl-benzonitrile,2-cyano-m-xylene,ksc494c5t,2,6-dimethylbenz0nitrile,3-cyano-2,4-dimethylphenyl CID PubChem: 81057 Nom IUPAC: 2,6-dimethylbenzonitrile SMILES: CC1=C(C(=CC=C1)C)C#N

Poids moléculaire (g/mol) 131.178
Synonyme benzonitrile, 2,6-dimethyl,unii-1zh37s5b0z,2,6-dimethylbenzenecarbonitrile,2,6-dimethyl-benzonitrile,2-cyano-m-xylene,ksc494c5t,2,6-dimethylbenz0nitrile,3-cyano-2,4-dimethylphenyl
Numéro MDL MFCD00037166
CAS 6575-13-9
CID PubChem 81057
Nom IUPAC 2,6-dimethylbenzonitrile
Clé InChI QSACPWSIIRFHHR-UHFFFAOYSA-N
SMILES CC1=C(C(=CC=C1)C)C#N
Formule moléculaire C9H9N