Isobutylene
2-methylprop-1-ene, isobutene, 2-methyl propene, 1,1-dimethylethene, isopropylidenemethylene
How to detect Isobutylene
Formula: C4H8 | CAS: 115-11-7
Synonyms: 2-methylprop-1-ene, isobutene, 2-methyl propene, 1,1-dimethylethene, isopropylidenemethylene
Isobutylene is used as a dye in printing inks, solubiliser for textile dyes. It is used as an extractant in drug manufacture. Products made from isobutylene include butyl rubber, diisobutyl esters used as lubricants and antiknock MTBE.
Specification
Specification | Value/Information |
---|---|
Formula | C4H8 |
CAS no. | 115-11-7 |
Gas Response Factor, 11.7 eV | 1 |
Gas Response Factor, 10.6 eV | 1 |
Gas Response Factor, 10.0 eV | 1 |
ppm per mg/m⁻³, (20 °C, 1 bar) | 0.429 |
Molecular Weight, g/mole | 56.1 |
Specification | Value/Information |
---|---|
Melting point, °C | '-140 |
Boiling point, °C | '-7 |
Flash point, °C | '-76 |
Upper Explosive Limit, % | 9.6 |
Lower Explosive Limit, % | 1.6 |
Density, g.cm⁻³ | 0.589 |
Ionisation Energy, eV | 9.239 |