Isobutylene

Isobutylene, C₄H₈ is a colourless, flammable, liquified gas with a coal gas odour.

Applications
Pure Isobutylene is used:

• in polymerization processes
• as a chemical intermediate in the manufacturing of MTBE
• in the manufacturing of calibration mixtures.

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

Technical Properties
Molecular Weight: 56.11
Specific Gravity (Air = 1): 2
Odour: Coal gas
CAS Registry No.: 115-11-7