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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 (Certified ACS), Fisher Chemical™

CAS: 1330-20-7 Numéro MDL: MFCD00077264

Numéro MDL MFCD00077264
CAS 1330-20-7
2

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
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

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
5

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
6

2-Chloro-N-(2,3-dimethylphenyl)benzamide, 97%

CAS: 196617-88-6 Formule moléculaire: C15H14ClNO Poids moléculaire (g/mol): 259.733 Numéro MDL: MFCD00018254 Clé InChI: OUAGJVUPQKYHDU-UHFFFAOYSA-N Synonyme: 2-chloro-n-2,3-dimethylphenyl benzamide,cambridge id 5328590,2-chloro-2',3'-benzoxylidide,2-chloro-n-2,3-dimethyl-phenyl-benzamide,n-2,3-dimethylphenyl 2-chlorophenyl carboxamide CID PubChem: 295079 Nom IUPAC: 2-chloro-N-(2,3-dimethylphenyl)benzamide SMILES: CC1=C(C(=CC=C1)NC(=O)C2=CC=CC=C2Cl)C

Poids moléculaire (g/mol) 259.733
Synonyme 2-chloro-n-2,3-dimethylphenyl benzamide,cambridge id 5328590,2-chloro-2',3'-benzoxylidide,2-chloro-n-2,3-dimethyl-phenyl-benzamide,n-2,3-dimethylphenyl 2-chlorophenyl carboxamide
Numéro MDL MFCD00018254
CAS 196617-88-6
CID PubChem 295079
Nom IUPAC 2-chloro-N-(2,3-dimethylphenyl)benzamide
Clé InChI OUAGJVUPQKYHDU-UHFFFAOYSA-N
SMILES CC1=C(C(=CC=C1)NC(=O)C2=CC=CC=C2Cl)C
Formule moléculaire C15H14ClNO
7

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
8

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
9

2-Bromo-m-xylene, 98+%

CAS: 576-22-7 Formule moléculaire: C8H9Br Poids moléculaire (g/mol): 185.064 Numéro MDL: MFCD00000075 Clé InChI: MYMYVYZLMUEVED-UHFFFAOYSA-N Synonyme: 2,6-dimethylbromobenzene,2-bromo-m-xylene,1-bromo-2,6-dimethylbenzene,benzene, 2-bromo-1,3-dimethyl,2,6-dimethyl bromobenzene,m-xylene, 2-bromo,2,6-dimethylphenyl bromide,2-bromo-meta-xylene,2-bromo-1,3-dimethyl-benzene,pubchem3206 CID PubChem: 68471 Nom IUPAC: 2-bromo-1,3-dimethylbenzene SMILES: CC1=C(C(=CC=C1)C)Br

Poids moléculaire (g/mol) 185.064
Synonyme 2,6-dimethylbromobenzene,2-bromo-m-xylene,1-bromo-2,6-dimethylbenzene,benzene, 2-bromo-1,3-dimethyl,2,6-dimethyl bromobenzene,m-xylene, 2-bromo,2,6-dimethylphenyl bromide,2-bromo-meta-xylene,2-bromo-1,3-dimethyl-benzene,pubchem3206
Numéro MDL MFCD00000075
CAS 576-22-7
CID PubChem 68471
Nom IUPAC 2-bromo-1,3-dimethylbenzene
Clé InChI MYMYVYZLMUEVED-UHFFFAOYSA-N
SMILES CC1=C(C(=CC=C1)C)Br
Formule moléculaire C8H9Br
10

o-Xylene, Spectrophotometric 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
11

4-Nitro-o-xylene, 99%

CAS: 99-51-4 Formule moléculaire: C8H9NO2 Poids moléculaire (g/mol): 151.17 Numéro MDL: MFCD00007268 Clé InChI: HFZKOYWDLDYELC-UHFFFAOYSA-N Synonyme: 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 CID PubChem: 7440 Nom IUPAC: 1,2-dimethyl-4-nitrobenzene SMILES: CC1=CC=C(C=C1C)[N+]([O-])=O

Poids moléculaire (g/mol) 151.17
Synonyme 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
Numéro MDL MFCD00007268
CAS 99-51-4
CID PubChem 7440
Nom IUPAC 1,2-dimethyl-4-nitrobenzene
Clé InChI HFZKOYWDLDYELC-UHFFFAOYSA-N
SMILES CC1=CC=C(C=C1C)[N+]([O-])=O
Formule moléculaire C8H9NO2
12

Xylenes, extra pure, mixture of isomers

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

Synonyme Dimethylbenzene
CAS 1330-20-7
Formule moléculaire C8H10
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

4-Benzyloxy-3,5-dimethylbenzaldehyde, 95%

CAS: 144896-51-5 Formule moléculaire: C16H16O2 Poids moléculaire (g/mol): 240.30 Numéro MDL: MFCD00800683 Clé InChI: GSYUTKRSEZMBNC-UHFFFAOYSA-N Synonyme: 4-benzyloxy-3,5-dimethylbenzaldehyde,3,5-dimethyl-4-phenylmethoxy benzaldehyde,zlchem 1072,acmc-1bxy6,3,5-dimethyl-4-benzyloxybenzaldehyde,3,5-dimethyl-4-benzyloxy benzaldehyde,4-benzyloxy-3,5-dimethyl-benzaldehyde CID PubChem: 563557 Nom IUPAC: 3,5-dimethyl-4-phenylmethoxybenzaldehyde SMILES: CC1=CC(C=O)=CC(C)=C1OCC1=CC=CC=C1

Poids moléculaire (g/mol) 240.30
Synonyme 4-benzyloxy-3,5-dimethylbenzaldehyde,3,5-dimethyl-4-phenylmethoxy benzaldehyde,zlchem 1072,acmc-1bxy6,3,5-dimethyl-4-benzyloxybenzaldehyde,3,5-dimethyl-4-benzyloxy benzaldehyde,4-benzyloxy-3,5-dimethyl-benzaldehyde
Numéro MDL MFCD00800683
CAS 144896-51-5
CID PubChem 563557
Nom IUPAC 3,5-dimethyl-4-phenylmethoxybenzaldehyde
Clé InChI GSYUTKRSEZMBNC-UHFFFAOYSA-N
SMILES CC1=CC(C=O)=CC(C)=C1OCC1=CC=CC=C1
Formule moléculaire C16H16O2