Safety Reference
Danger
H220Extremely flammable gas
H280Contains gas under pressure; may explode if heated
Regulatory Compliance1
Sourcing Allene?
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Dimethyl vinylphosphonate
Phosphonate monomer for polymer synthesis
Sourcing Allene?
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Allene is the simplest cumulated diene, consisting of a carbon atom double-bonded to two adjacent carbon atoms. It is used industrially as a fuel gas for welding.
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 Allene (CAS 463-49-0) 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.
propa-1,2-diene
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