Safety Reference
Danger
H220Extremely flammable gas
H280Contains gas under pressure; may explode if heated
Sourcing 1-BUTEN-3-YNE?
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Sourcing 1-BUTEN-3-YNE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
1-Buten-3-yne is a colorless gas or liquid derived from the dimerization of acetylene. It is primarily significant as an intermediate in the manufacture of neoprene and for other organic syntheses.
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 1-BUTEN-3-YNE (CAS 689-97-4) is 2901.29.
2901.29
2901 29 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
but-1-en-3-yne
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