C11H10
142.2 g/mol
Industrial ChemicalDanger
1-METHYLNAPHTHALENE
CAS90-12-0EC201-966-8
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Solvent and chemical intermediate
1-Methylnaphthalene is a bluish-brown oil or clear yellow liquid with a coal tar or mothball odor, derived from coal tar. It serves primarily as a solvent and chemical intermediate in industrial applications.
Solvent for pesticidesProduction of dyes and resinsIntermediate for surfactants and insecticides
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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Disinfectant and preservative for industrial applications
Safety Reference
Danger
H302Harmful if swallowed
H304May be fatal if swallowed and enters airways
H411Toxic to aquatic life with long lasting effects
H319Causes serious eye irritation
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H227
H401Toxic to aquatic life
H315Causes skin irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 1-METHYLNAPHTHALENE (CAS 90-12-0) 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-methylnaphthalene
InChIKey
QPUYECUOLPXSFR-UHFFFAOYSA-N
SMILES
CC1=CC=CC2=CC=CC=C12
Synonyms (18)
- 1-METHYLNAPHTHALENE
- 1-Methylnapththalene
- 1-methylnaphtalene
- FEMA 3193
- MECHINAFU H
- METHYNAPH H
- Methyl naphthalene
- Methylnaphthalene(mix)
- Naphthalene, 1-methyl-
- Naphthalene, alpha-methyl-
- Naphthalene, methyl-
- alpha-Methylnaphthalene
- alpha-methyl naphthalenes
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