C12H12
156.22 g/mol
Pharmaceutical IntermediateDanger
1,4-DIMETHYLNAPHTHALENE
CAS571-58-4EC209-335-9
Category
Pharmaceutical Intermediate
Compound Class
Aromatic
Primary Use
Pharmaceutical Intermediate
1,4-Dimethylnaphthalene is a dimethylnaphthalene compound with methyl groups at positions 1 and 4. It is used as a pharmaceutical intermediate in manufacturing processes.
pharmaceutical intermediate
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
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Safety Reference
Danger
H302Harmful if swallowed
H304May be fatal if swallowed and enters airways
H319Causes serious eye irritation
H400Very toxic to aquatic life
H412Harmful to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 1,4-DIMETHYLNAPHTHALENE (CAS 571-58-4) 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
1,4-dimethylnaphthalene
InChIKey
APQSQLNWAIULLK-UHFFFAOYSA-N
SMILES
CC1=CC=C(C2=CC=CC=C12)C
Synonyms (8)
- 1,4-DIMETHYLNAPHTHALENE
- 1,4-DMN
- 1,4-Dimethylnapthalene
- DIMETHYLNAPHTHALENE, 1,4-
- Naphthalene, 1,4-dimethyl-
- Naphthalene,4-dimethyl-
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