C9H12
120.19 g/mol
Industrial ChemicalWarning
1,2,3-TRIMETHYLBENZENE
CAS526-73-8EC208-394-8
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Solvent and chemical intermediate
1,2,3-Trimethylbenzene is an aromatic hydrocarbon consisting of a benzene ring with three methyl group substituents. It is used primarily as a solvent and chemical intermediate in industrial processes.
SolventChemical intermediate in dye and perfume manufactureInert ingredient in pesticide formulations
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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Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H302Harmful if swallowed
H312Harmful in contact with skin
H304May be fatal if swallowed and enters airways
H332Harmful if inhaled
H411Toxic to aquatic life with long lasting effects
H401Toxic to aquatic life
H320Causes eye irritation
H336May cause drowsiness or dizziness
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1,2,3-TRIMETHYLBENZENE (CAS 526-73-8) is 2902.90.
HS code (international, 6-digit)
2902.90
EU CN code (8-digit)
2902 90 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
1,2,3-trimethylbenzene
InChIKey
FYGHSUNMUKGBRK-UHFFFAOYSA-N
SMILES
CC1=C(C(=CC=C1)C)C
Synonyms (16)
- 1,2,3-TRIMETHYLBENZENE
- 1,2,3-TrimethyIbenzene
- 1,2,3-Trimethylbenzene (>90%)
- 1,3-Trimethylbenzene
- Benzene, 1,2,3-trimethyl-
- Benzene, trimethyl-
- Benzene,2,3-trimethyl-
- Hemellitol
- Hemimellitene
- Hemimellitol
- Trimethylbenzene
- Trimethylbenzene, 1,2,3-
- trimethylarsenic dibromide
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