C8H10
106.16 g/mol
Industrial ChemicalWarning
P-XYLENE
CAS106-42-3EC203-396-5
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
solvent and chemical intermediate
p-Xylene (para-xylene) is an aromatic hydrocarbon and one of the three isomers of dimethylbenzene, collectively known as xylenes. It is characterized by two methyl groups at the 1 and 4 positions on a benzene ring, giving it a symmetrical structure.
solventchemical intermediate for production of terephthalic acid and polyester
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.73
4,4'-dimethylbiphenyl
CAS613-33-2
research compound
ApplicationSame Use
M-xylene
CAS108-38-3
Solvent and chemical intermediate
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P-bromotoluene
CAS106-38-7
solvent and chemical intermediate
ApplicationSame Use
2-chloroethan-1-ol
CAS107-07-3
solvent and chemical intermediate
ApplicationSame Use
Cyclohexanol
CAS108-93-0
solvent and chemical intermediate
ReferenceSame Category
4-chlorotoluene
CAS106-43-4
solvent and intermediate for organic chemicals
ReferenceSame Category
1,4-benzoquinone
CAS106-51-4
chemical intermediate and oxidizing agent
ReferenceSame Category
P-chlorothiophenol
CAS106-54-7
Chemical intermediate for synthesis
Safety Reference
Warning
H226Flammable liquid and vapour
H312Harmful in contact with skin
H315Causes skin irritation
H332Harmful if inhaled
H304May be fatal if swallowed and enters airways
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
H336May cause drowsiness or dizziness
H361Suspected of damaging fertility or the unborn child
H370Causes damage to organs
H401Toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H303May be harmful if swallowed
H360May damage fertility or the unborn child
H371May cause damage to organs
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for P-XYLENE (CAS 106-42-3) is 2902.43.
HS code (international, 6-digit)
2902.43
EU CN code (8-digit)
2902 43 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1,4-xylene
InChIKey
URLKBWYHVLBVBO-UHFFFAOYSA-N
SMILES
CC1=CC=C(C=C1)C
Synonyms (32)
- P-XYLENE
- PXY
- 1,4-Dimethylbenzene
- 1,4-Dimethylbenzol
- 1,4-Xylene
- 187l
- 4-Methyltoluene
- 4-Xylene
- Benzene, 1,4-dimethyl-
- Benzene, p-dimethyl-
- Chromar
- Para-Xylene
- Scintillar
- Xylene, p-
- Xylene, p-isomer
- p-Dimethylbenzene
- p-Methyltoluene
- p-Xylene, SAJ first grade
- p-Xylene, SAJ special grade
- p-Xylene, anhydrous
- p-Xylene, for synthesis
- p-Xylene, purum, >=98.0% (GC)
- p-Xylene-alpha,alpha'-13C2
- p-Xylenes
- p-Xylol
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