| Formula / Notation | C4H8 |
|---|---|
| CAS Number | 115-11-7 |
| Molecular Weight | 56.11 |
| Melting Point | -220.5 °F (NTP, 1992) |
| Boiling Point | 19.6 °F at 760 mmHg (NTP, 1992) |
| Density | 0.59 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Solubility | Insoluble (NTP, 1992) |
| Appearance | Isobutylene is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its own vapor pressure. Contact with the liquid can ca... |
| Also Known As | 2-methylprop-1-ene; Isobutene; 2-Methylpropene; 115-11-7; 2-Methyl-1-propene; 2-Methylpropylene; 1,1-Dimethylethylene; gamma-Butylene; 1-Propene, 2-methyl-; Isopropylidenemethylene |
| Category | Organic Compounds |
What is Isobutylene?
2-methylprop-1-ene is an alkene that is prop-1-ene substituted by a methyl group at position 2. It is a gas molecular entity and an alkene.
Formula & Notation
IUPAC Name: 2-methylprop-1-ene
Other Names / Synonyms: 2-methylprop-1-ene; Isobutene; 2-Methylpropene; 115-11-7; 2-Methyl-1-propene; 2-Methylpropylene; 1,1-Dimethylethylene; gamma-Butylene; 1-Propene, 2-methyl-; Isopropylidenemethylene
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | -220.5 °F (NTP, 1992) |
| Boiling Point | 19.6 °F at 760 mmHg (NTP, 1992) |
| Density | 0.59 at 68 °F (USCG, 1999) - Less dense than water; will float |
| Molecular Weight | 56.11 |
| Solubility | Insoluble (NTP, 1992) |
| Appearance | Isobutylene is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its own vapor pressure. Contact with the liquid can ca... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
2-methylprop-1-ene is an alkene that is prop-1-ene substituted by a methyl group at position 2. It is a gas molecular entity and an alkene.
Used as an industrial feedstock, solvent, pharmaceutical intermediate, flavoring agent, or chemical building block.
Flammable or irritant. Many organic compounds are flammable liquids or vapours. Keep away from ignition sources. Consult SDS for specific hazard data.
The formula or notation for Isobutylene is: C4H8