Product Overview
| Property | Value |
|---|
| Product Name | Isobutene (Isobutylene) i-C4H8 |
| CAS No. | 115-11-7 |
| UN Number | UN1055 |
| Packing | 40L cylinder (GB, ISO, DOT) |
Transportation
| Property | Value |
|---|
| DOT Shipping Name | Isobutylene |
| DOT Classification | 2.1 |
| DOT Label | Flammable Gas |
| Shipped as | Liquefied Gas |
Technical Information
| Property | Value |
|---|
| Cylinder State @ 21.1°C | Liquid |
| Molecular Weight | 56.108 g/mol |
| Specific Gravity (air=1) | 1.94 |
| Flammable Limits in Air | 1.8-9.6% |
| Auto Ignition Temperature | 465 °C |
Applications
Isobutene is used as a monomer for butyl rubber and polyisobutylene production. It is also used in the production of MTBE (methyl tert-butyl ether) as a fuel additive, in organic synthesis, and as a chemical intermediate for antioxidants and resins.
