Isobutane, i-C4H10 is a colourless, flammable, liquified gas with a slight odour.
Pure isobutane is used:
- as a propellant
- as a solvent
- as a refrigerant
- as reagent gas in chemical ionization mass spectrometry
- in the manufacturing of calibration mixtures.
Metals: Brass; Stainless Steel; Carbon Steel; Aluminum; Zinc; Copper; Monel.
Plastics: Kel-F; PTFE; PVC; PP; Polyurethane; Polyamides.
Elastomers: Buna-N; Neoprene; Viton.
Molecular Weight: 58.13
Specific Gravity (Air = 1): 2.06
CAS Registry No.: 75-28-5