Safety Reference
Warning
H302Harmful if swallowed
H351
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
CAS 91-20-3
Intermediate in manufacture of other products
Naphthalene is a polycyclic aromatic hydrocarbon used primarily as a raw material in the production of phthalic anhydride, though o-xylene has increasingly replaced it for this purpose. It also serves as an insecticide and repellent, commonly found in mothballs and outdoor animal repellents.
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.
The international HS code for Naphthalene (CAS 91-20-3) is 2707.40, 2902.90.
2707.40, 2902.90
2707 40 00, 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.
naphthalene
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