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Trans-2-Butene, C4H8, is a colourless, flammable, weak anaesthetic, liquified gas with a slightly aromatic odour.

Pure Trans-2-butene is used:

  • in halogenation and alkylation processes.

Materials Compatibility
Metals: Brass; Stainless Steel; Carbon Steel; Aluminum; Zinc; Copper; Monel.
Plastics: Kel-F; PTFE, PVC; Polyurethane; Polyamides; PP.
Elastomers: Buna-N; Neoprene; Hypalon.

Technical Properties
Molecular Weight: 56.11
Specific Gravity (Air = 1): 2.01
Odour: Natural gas-like
CAS Registry No.: 624-64-6