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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 – 15 of 263 results
1

Xylenes (Histological), Fisher Chemical™

CAS: 1330-20-7 Molecular Formula: C8H10 MDL Number: MFCD00077264 Synonym: Xylol,Dimethylbenzene

CAS 1330-20-7
MDL Number MFCD00077264
Synonym Xylol,Dimethylbenzene
Molecular Formula C8H10
2

Xylenes (Certified ACS), Fisher Chemical™

CAS: 1330-20-7 MDL Number: MFCD00077264

CAS 1330-20-7
MDL Number MFCD00077264
3
Promotions Available

o-Xylene (Certified), Fisher Chemical

CAS: 95-47-6 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 MDL Number: MFCD00008519 InChI Key: CTQNGGLPUBDAKN-UHFFFAOYSA-N Synonym: o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes PubChem CID: 7237 ChEBI: CHEBI:28063 IUPAC Name: 1,2-xylene SMILES: CC1=CC=CC=C1C

PubChem CID 7237
CAS 95-47-6
Molecular Weight (g/mol) 106.17
ChEBI CHEBI:28063
MDL Number MFCD00008519
SMILES CC1=CC=CC=C1C
Synonym o-xylene,1,2-dimethylbenzene,ortho-xylene,o-xylol,o-methyltoluene,o-dimethylbenzene,2-xylene,3,4-xylene,benzene, 1,2-dimethyl,o-xylenes
IUPAC Name 1,2-xylene
InChI Key CTQNGGLPUBDAKN-UHFFFAOYSA-N
Molecular Formula C8H10
5

2,4-Dimethylphenyl isocyanate, 98+%

CAS: 51163-29-2 Molecular Formula: C9H9NO Molecular Weight (g/mol): 147.177 MDL Number: MFCD00013853 InChI Key: QUOBVYPFBJUOAJ-UHFFFAOYSA-N Synonym: 2,4-dimethylphenyl isocyanate,2,4-dimethylphenylisocyanate,benzene, 1-isocyanato-2,4-dimethyl,2,4-dimethylbenzenisocyanate,acmc-20aoc8,1-isocyanato-2,4-dimethyl-benzene PubChem CID: 5207585 IUPAC Name: 1-isocyanato-2,4-dimethylbenzene SMILES: CC1=CC(=C(C=C1)N=C=O)C

PubChem CID 5207585
CAS 51163-29-2
Molecular Weight (g/mol) 147.177
MDL Number MFCD00013853
SMILES CC1=CC(=C(C=C1)N=C=O)C
Synonym 2,4-dimethylphenyl isocyanate,2,4-dimethylphenylisocyanate,benzene, 1-isocyanato-2,4-dimethyl,2,4-dimethylbenzenisocyanate,acmc-20aoc8,1-isocyanato-2,4-dimethyl-benzene
IUPAC Name 1-isocyanato-2,4-dimethylbenzene
InChI Key QUOBVYPFBJUOAJ-UHFFFAOYSA-N
Molecular Formula C9H9NO
6

2,5-Dimethylphenyl isocyanate, 97%

CAS: 40397-98-6 Molecular Formula: C9H9NO Molecular Weight (g/mol): 147.18 MDL Number: MFCD00013854 InChI Key: SOXVXJQIQVOCAY-UHFFFAOYSA-N Synonym: 2,5-dimethylphenyl isocyanate,2,5-dimethylphenylisocyanate,benzene, 2-isocyanato-1,4-dimethyl,2,5-dimethyl phenylisocyanate,2,5-dimethylbenzenisocyanate,acmc-1art9,1-isocyanato-2,5-dimethyl-benzene PubChem CID: 98605 ChEBI: CHEBI:60097 IUPAC Name: 2-isocyanato-1,4-dimethylbenzene SMILES: CC1=CC=C(C)C(=C1)N=C=O

PubChem CID 98605
CAS 40397-98-6
Molecular Weight (g/mol) 147.18
ChEBI CHEBI:60097
MDL Number MFCD00013854
SMILES CC1=CC=C(C)C(=C1)N=C=O
Synonym 2,5-dimethylphenyl isocyanate,2,5-dimethylphenylisocyanate,benzene, 2-isocyanato-1,4-dimethyl,2,5-dimethyl phenylisocyanate,2,5-dimethylbenzenisocyanate,acmc-1art9,1-isocyanato-2,5-dimethyl-benzene
IUPAC Name 2-isocyanato-1,4-dimethylbenzene
InChI Key SOXVXJQIQVOCAY-UHFFFAOYSA-N
Molecular Formula C9H9NO
7

Xylenes, technical

CAS: 1330-20-7 Molecular Formula: C8H10 Molecular Weight (g/mol): 106.17 InChI Key: IVSZLXZYQVIEFR-UHFFFAOYSA-N IUPAC Name: 1,3-xylene SMILES: CC1=CC(C)=CC=C1

CAS 1330-20-7
Molecular Weight (g/mol) 106.17
SMILES CC1=CC(C)=CC=C1
IUPAC Name 1,3-xylene
InChI Key IVSZLXZYQVIEFR-UHFFFAOYSA-N
Molecular Formula C8H10
8

Xylenes, extra pure, mixture of isomers

CAS: 1330-20-7 Molecular Formula: C8H10 Synonym: Dimethylbenzene

CAS 1330-20-7
Synonym Dimethylbenzene
Molecular Formula C8H10
9

3,4-Dimethylphenylacetic acid, 98%

CAS: 17283-16-8 Molecular Formula: C10H11O2 Molecular Weight (g/mol): 163.20 MDL Number: MFCD02664684 InChI Key: OTTPBKINJOYJGW-UHFFFAOYSA-M PubChem CID: 296013 IUPAC Name: 2-(3,4-dimethylphenyl)acetic acid SMILES: CC1=CC=C(CC([O-])=O)C=C1C

PubChem CID 296013
CAS 17283-16-8
Molecular Weight (g/mol) 163.20
MDL Number MFCD02664684
SMILES CC1=CC=C(CC([O-])=O)C=C1C
IUPAC Name 2-(3,4-dimethylphenyl)acetic acid
InChI Key OTTPBKINJOYJGW-UHFFFAOYSA-M
Molecular Formula C10H11O2
10

4-Nitro-o-xylene, 99%

CAS: 99-51-4 Molecular Formula: C8H9NO2 Molecular Weight (g/mol): 151.17 MDL Number: MFCD00007268 InChI Key: HFZKOYWDLDYELC-UHFFFAOYSA-N Synonym: 4-nitro-o-xylene,p-nitro-o-xylene,o-xylene, 4-nitro,benzene, 1,2-dimethyl-4-nitro,para-nitro-ortho-xylene,3,4-dimethyl-1-nitrobenzene,4-nitro-1,2-dimethylbenzene,1,2-dimethyl-4-nitrobenzol,3,4-dimethylnitrobenzene,ccris 3118 PubChem CID: 7440 IUPAC Name: 1,2-dimethyl-4-nitrobenzene SMILES: CC1=CC=C(C=C1C)[N+]([O-])=O

PubChem CID 7440
CAS 99-51-4
Molecular Weight (g/mol) 151.17
MDL Number MFCD00007268
SMILES CC1=CC=C(C=C1C)[N+]([O-])=O
Synonym 4-nitro-o-xylene,p-nitro-o-xylene,o-xylene, 4-nitro,benzene, 1,2-dimethyl-4-nitro,para-nitro-ortho-xylene,3,4-dimethyl-1-nitrobenzene,4-nitro-1,2-dimethylbenzene,1,2-dimethyl-4-nitrobenzol,3,4-dimethylnitrobenzene,ccris 3118
IUPAC Name 1,2-dimethyl-4-nitrobenzene
InChI Key HFZKOYWDLDYELC-UHFFFAOYSA-N
Molecular Formula C8H9NO2
11

Xylenes, 98%, pure, mixture of isomers

CAS: 1330-20-7 Molecular Formula: C8H10 MDL Number: MFCD00077264 Synonym: Dimethylbenzene

CAS 1330-20-7
MDL Number MFCD00077264
Synonym Dimethylbenzene
Molecular Formula C8H10
12

2,6-Dimethylphenyl isocyanate, 98%

CAS: 28556-81-2 Molecular Formula: C9H9NO Molecular Weight (g/mol): 147.18 MDL Number: MFCD00002012 InChI Key: YQLRKXVEALTVCZ-UHFFFAOYSA-N Synonym: 2,6-dimethylphenyl isocyanate,benzene, 2-isocyanato-1,3-dimethyl,2,6-dimethylphenylisocyanate,2,6-xylyl isocyanate,unii-2ql5mu0e0c,2ql5mu0e0c,isocyanic acid 2,6-dimethylphenyl ester,2,6-dimethylbenzenisocyanate,2,6-dimethyl phenyl isocyanate,2-isocyanato-1,3-dimethyl-benzene PubChem CID: 98787 IUPAC Name: 2-isocyanato-1,3-dimethylbenzene SMILES: CC1=CC=CC(C)=C1N=C=O

PubChem CID 98787
CAS 28556-81-2
Molecular Weight (g/mol) 147.18
MDL Number MFCD00002012
SMILES CC1=CC=CC(C)=C1N=C=O
Synonym 2,6-dimethylphenyl isocyanate,benzene, 2-isocyanato-1,3-dimethyl,2,6-dimethylphenylisocyanate,2,6-xylyl isocyanate,unii-2ql5mu0e0c,2ql5mu0e0c,isocyanic acid 2,6-dimethylphenyl ester,2,6-dimethylbenzenisocyanate,2,6-dimethyl phenyl isocyanate,2-isocyanato-1,3-dimethyl-benzene
IUPAC Name 2-isocyanato-1,3-dimethylbenzene
InChI Key YQLRKXVEALTVCZ-UHFFFAOYSA-N
Molecular Formula C9H9NO
13

2,4-Dimethylbenzoic acid, 97%

CAS: 611-01-8 Molecular Formula: C9H10O2 Molecular Weight (g/mol): 150.18 MDL Number: MFCD00002480 InChI Key: BKYWPNROPGQIFZ-UHFFFAOYSA-N Synonym: benzoic acid, 2,4-dimethyl,4-carboxy-1,3-dimethylbenzene,2,4-dimethyl benzoic acid,m-xylene-4-carboxylic acid,2,4-dimethyl-benzoic acid,2,4-dimethylbenzoicacid,m-xylylic acid,pubchem15441,2,4 dimethylbenzoic acid,benzoic acid,4-dimethyl PubChem CID: 11897 ChEBI: CHEBI:64811 IUPAC Name: 2,4-dimethylbenzoic acid SMILES: CC1=CC=C(C(O)=O)C(C)=C1

PubChem CID 11897
CAS 611-01-8
Molecular Weight (g/mol) 150.18
ChEBI CHEBI:64811
MDL Number MFCD00002480
SMILES CC1=CC=C(C(O)=O)C(C)=C1
Synonym benzoic acid, 2,4-dimethyl,4-carboxy-1,3-dimethylbenzene,2,4-dimethyl benzoic acid,m-xylene-4-carboxylic acid,2,4-dimethyl-benzoic acid,2,4-dimethylbenzoicacid,m-xylylic acid,pubchem15441,2,4 dimethylbenzoic acid,benzoic acid,4-dimethyl
IUPAC Name 2,4-dimethylbenzoic acid
InChI Key BKYWPNROPGQIFZ-UHFFFAOYSA-N
Molecular Formula C9H10O2
14

4-Fluoro-o-xylene, 98%

CAS: 452-64-2 Molecular Formula: C8H9F Molecular Weight (g/mol): 124.158 MDL Number: MFCD00039217 InChI Key: WYHBENDEZDFJNU-UHFFFAOYSA-N Synonym: 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 PubChem CID: 253306 IUPAC Name: 4-fluoro-1,2-dimethylbenzene SMILES: CC1=C(C=C(C=C1)F)C

PubChem CID 253306
CAS 452-64-2
Molecular Weight (g/mol) 124.158
MDL Number MFCD00039217
SMILES CC1=C(C=C(C=C1)F)C
Synonym 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
IUPAC Name 4-fluoro-1,2-dimethylbenzene
InChI Key WYHBENDEZDFJNU-UHFFFAOYSA-N
Molecular Formula C8H9F
15

N,N,3,5-Tetramethylaniline, 98%

CAS: 4913-13-7 Molecular Formula: C10H15N Molecular Weight (g/mol): 149.237 MDL Number: MFCD00008307 InChI Key: NBFRQCOZERNGEX-UHFFFAOYSA-N Synonym: 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 PubChem CID: 78625 IUPAC Name: N,N,3,5-tetramethylaniline SMILES: CC1=CC(=CC(=C1)N(C)C)C

PubChem CID 78625
CAS 4913-13-7
Molecular Weight (g/mol) 149.237
MDL Number MFCD00008307
SMILES CC1=CC(=CC(=C1)N(C)C)C
Synonym 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
IUPAC Name N,N,3,5-tetramethylaniline
InChI Key NBFRQCOZERNGEX-UHFFFAOYSA-N
Molecular Formula C10H15N