Safety Reference
Danger
H225Highly flammable liquid and vapour
H319Causes serious eye irritation
H335
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 109-99-9
Oxolane, also known as tetrahydrofuran (THF), is a colorless, water-miscible organic liquid with low viscosity. It is a cyclic ether widely used as an industrial solvent and chemical 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.
The international HS code for Oxolane (CAS 109-99-9) is 2932.11.
2932.11
2932 11 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
oxolane
WYURNTSHIVDZCO-UHFFFAOYSA-N
C1CCOC1