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Isopentene

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Identification
Molecular formula
C5H10
CAS number
563-45-1
IUPAC name
3-methylbut-1-ene
State
State

At room temperature, isopentene is a liquid.

Melting point (Celsius)
-135.00
Melting point (Kelvin)
138.15
Boiling point (Celsius)
31.80
Boiling point (Kelvin)
304.95
General information
Molecular weight
70.13g/mol
Molar mass
70.1340g/mol
Density
0.6493g/cm3
Appearence

Isopentene, also known as 3-methylbut-1-ene, is a colorless liquid.

Comment on solubility

Solubility of 3-Methylbut-1-ene

3-Methylbut-1-ene, with the chemical formula C5H10, is a branched alkene that presents interesting solubility characteristics. Being a non-polar compound, its solubility behaviors can be summarized as follows:

  • Solvent Compatibility: 3-Methylbut-1-ene is highly soluble in non-polar solvents such as hexane and benzene due to its similar non-polar characteristics.
  • Water Solubility: It exhibits very low solubility in water. This is because the polar nature of water does not favor the solvation of non-polar molecules, making 3-methylbut-1-ene practically insoluble.
  • Temperature Effects: Generally, solubility can increase with temperature; however, for 3-methylbut-1-ene, its non-polarity means changes in temperature have a minimal effect when it comes to water solubility.

In many practical applications, the solubility properties of 3-methylbut-1-ene are crucial, especially in chemical synthesis where it is often used as a reagent or intermediate. Understanding these solubility characteristics is essential for optimal handling and usage in various chemical reactions.

Interesting facts

Interesting Facts about 3-methylbut-1-ene

3-methylbut-1-ene is an intriguing alkene that showcases the versatility and complexity of organic compounds. Here are some interesting aspects of this compound:

  • Structure and Isomerism: This compound is a structural isomer of other alkenes, which means it has the same molecular formula but different arrangements of atoms. The presence of a methyl group makes it a branched alkene, contributing to unique chemical properties.
  • Role in Organic Synthesis: 3-methylbut-1-ene is often used as a building block in organic synthesis. It can be utilized in reactions like polymerization, contributing to the production of various polymers and materials.
  • Natural Occurrence: Compounds similar to 3-methylbut-1-ene can be found in nature, particularly in certain essential oils and plant-derived substances, showcasing the link between synthetic chemistry and natural products.
  • Applications: This compound can serve as a reagent in multiple chemical reactions, including hydrophilic addition and alkylation reactions. Its functionality makes it important in the development of agrochemicals and pharmaceuticals.
  • Reactivity: Like other alkenes, 3-methylbut-1-ene participates in electrophilic addition reactions, being reactive towards halogens and hydrogen, which can lead to various derivatives and further functionalization.

As you explore the world of organic chemistry, remember that compounds like 3-methylbut-1-ene not only help us understand the fundamental reactions of alkenes but also reveal the intricate connections between different realms of chemistry.

Synonyms
3-METHYL-1-BUTENE
3-Methylbut-1-ene
Isopentene
1-Butene, 3-methyl-
Isopropylethene
UNII-I08ZWX8BKL
I08ZWX8BKL
3,3-dimethylpropene
HSDB 5696
EINECS 209-249-1
UN2561
DTXSID7060336
CHEBI:77914
3-METHYL-1-BUTENE [HSDB]
UN 2561
alphaIsoamylene
2Methyl3butene
3Methylbut1ene
1Butene, 3methyl
3-methyl-1-butylene
DTXCID4042048
inchi=1/c5h10/c1-4-5(2)3/h4-5h,1h2,2-3h
un 2371
yhqxbtxeyziyov-uhfffaoysa-n
563-45-1
Isopropylethylene
2-Methyl-3-butene
Vinylisopropyl
alpha-Isoamylene
Isoamylene
.alpha.-Isoamylene
3-Methylbutene-1
(CH3)2CHCH=CH2
MFCD00008937
3-Methyl-1-butene (ca. 15% in Dichloromethane, ca. 2.5mol/L)
3-Methyl-1-butene (ca. 12.5% in Tetrahydrofuran, ca. 1.5mol/L)
3-methylbut-1-en-4-yl
3-Methyl-1-butene [UN2561] [Flammable liquid]
3-Methyl-1-butene, 95%
DTXSID30967359
AKOS009159414
3-Methyl-1-butene, analytical standard
DB-000196
M0177
M2563
M2564
M2565
NS00020842
3-Methyl-1-butene 100 microg/mL in Methanol
Q27147525
3-Methyl-1-butene (ca. 16.5% in N,N-Dimethylformamide, ca. 2mol/L)