Safety Reference
Danger
H225Highly flammable liquid and vapour
H226
Sourcing Cyclopentadiene?
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flame retardant intermediate
Sourcing Cyclopentadiene?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Cyclopentadiene is an organic compound with the formula C5H6, often abbreviated as CpH. It is primarily significant as a diene in Diels-Alder reactions, a key transformation in organic synthesis.
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 Cyclopentadiene (CAS 542-92-7) is 2902.19.
2902.19
2902 19 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
cyclopenta-1,3-diene
ZSWFCLXCOIISFI-UHFFFAOYSA-N
C1C=CC=C1