Alternative Names for Isobutylene in International Trade:
2-Methylpropene (IUPAC name)
2-Methyl-1-propene
Isobutene
1,1-Dimethylethene
HP-Isobutylene (High Purity grade)
Key Properties and Trade Information:
CAS No.: 115-11-7
Molecular Formula: C₄H₈
Appearance: Colorless compressed liquefied gas with a characteristic odor
Boiling Point: -6.9 °C (lit.)
Density: 0.5879 g/cm³
Flash Point: -80 °C (highly flammable)
Storage Conditions: Must be kept in a cool, ventilated area away from oxidizers and heat sources1.
Isobutylene is widely used in the production of butyl rubber, polyisobutylene, and as an intermediate in organic synthesis. It is traded globally under these names, with suppliers offering different purity grades (e.g., 98% commercial grade)1.
For procurement, it is typically shipped in pressurized containers due to its gaseous state at room temperature. Major chemical suppliers list it under both "Isobutylene" and "Isobutene" in trade catalogs.
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