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| CAS number | 591-50-4 |
| Molecular formula | C6H5I |
| Product name | Iodobenzene |
| Molecular Structure |  |
Appearance：Clear to amber liquid
Density：1.82
Boiling Point：188ºC
Melting Point：-29ºC
Flash Point：74ºC
Refractive Index：1.618-1.62
Water Solubility：insoluble
Stability：Stable under normal temperatures and pressures.
Storage Condition：Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from light.
CAS No. 591-50-4 is a chemical compound, commonly referred to as 2-Methyl-2-butene or isobutylene. This colorless gaseous hydrocarbon is a volatile, flammable and highly reactive compound. It is a monomer of polyisobutylene, which is used in a variety of industrial applications.
In its pure form, 2-Methyl-2-butene is a colorless, odorless gas that is insoluble in water. Its boiling point is 8.7°C and freezing point is -164.2°C. Its flash point is -83.3°C and autoignition temperature is 437°C. Its vapor pressure is 4.5 kPa at 20°C.
A common application of 2-Methyl-2-butene is in the production of polyisobutylene. Polyisobutylene is a synthetic rubber which is used in a variety of industries, such as automotive, aerospace, and electronics. Polyisobutylene is also used in adhesives, sealants, and coatings. It has good resistance to water, oils, and chemicals, and is often used in the production of oil seals, fuel tanks, and other components.
In the chemical industry, 2-Methyl-2-butene is used as an intermediate in the production of other substances. It can be used as a solvent for various organic compounds, and can also be used as a fuel in the production of hydrogen.
In addition to its industrial applications, 2-Methyl-2-butene is also used in the food industry as an aroma and flavoring agent. It is used in the production of artificial flavorings, and is also used as an ingredient in many processed foods.
2-Methyl-2-butene is a flammable and highly reactive compound, and should be handled with extreme caution. It should be stored in a cool, dry place, away from heat, sparks, and open flames. Protective clothing and respiratory protection should be worn when handling the compound.
