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1-Iodobutane

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Identification
Molecular formula
C4H9I
CAS number
542-69-8
IUPAC name
1-iodobutane;2-iodobutane
State
State

At room temperature, 1-iodobutane is a liquid.

Melting point (Celsius)
-103.50
Melting point (Kelvin)
169.65
Boiling point (Celsius)
130.20
Boiling point (Kelvin)
403.35
General information
Molecular weight
184.03g/mol
Molar mass
184.0300g/mol
Density
1.6179g/cm3
Appearence

1-Iodobutane is a colorless to pale yellow liquid. It has a characteristic odor and is less dense than water, which makes it float when mixed with water.

Comment on solubility

Solubility of 1-iodobutane and 2-iodobutane

Both 1-iodobutane (C4H9I) and 2-iodobutane (C4H9I) demonstrate interesting solubility characteristics that highlight their behavior in various solvents.

Solubility Properties

  • Polar vs. Non-Polar Solvents: These compounds are more soluble in non-polar organic solvents due to their hydrophobic (water-repelling) alkyl chains. Solvents like benzene or hexane can dissolve these compounds effectively.
  • Water Solubility: Both 1-iodobutane and 2-iodobutane show low to negligible solubility in water. This limitation arises from their molecular structure, which lacks sufficient polar functional groups to interact favorably with water molecules.
  • Temperature Effects: Solubility in organic solvents can increase with temperature, enabling better dissolution of these iodobutanes in hot organic media.

In summary, when considering the solubility of 1-iodobutane and 2-iodobutane, it's essential to recognize the following:

  • Best solubility in non-polar solvents
  • Limited water solubility
  • Higher temperatures improve solubility in organic solvents

Understanding these solubility trends not only is crucial for laboratory applications but also plays a significant role in various industries such as pharmaceuticals and environmental science.

Interesting facts

Interesting Facts about 1-Iodobutane and 2-Iodobutane

1-Iodobutane and 2-iodobutane are intriguing members of the family of haloalkanes, which are organic compounds containing carbon, hydrogen, and halogen atoms. Here are some captivating insights into these compounds:

Common Characteristics

  • Structural Isomers: 1-Iodobutane and 2-iodobutane are structural isomers of each other, differing in the position of the iodine atom along the butane chain. This difference leads to unique chemical properties and reactivity.
  • Reactivity: Both compounds exhibit characteristic reactivity typical of haloalkanes. They can undergo nucleophilic substitution reactions, which are fundamental in organic synthesis and lead to a variety of useful products.

Applications

  • Synthetic Chemistry: These compounds are often used as intermediates in the synthesis of more complex organic molecules.
  • Research: 1-Iodobutane and 2-iodobutane serve as valuable tools in studying reaction mechanisms and the effects of steric hindrance in nucleophilic substitutions.

Physical Properties and Behavior

Despite being part of the same family, 1-iodobutane and 2-iodobutane exhibit different physical and chemical properties due to the positioning of the iodine atom. For example:

  • Boiling Points: The boiling points of these isomers can differ due to variations in intermolecular forces.
  • Sterics: The position of substituents affects how these molecules interact with nucleophiles, altering the kinetics of their reactions.

Cultural Impact

Interestingly, compounds like 1-iodobutane and 2-iodobutane are sometimes referenced in environmental studies, especially considering the role of halogenated compounds in atmospheric chemistry. Their reactivity can be of concern in the formation of pollutants.

In conclusion, understanding compounds such as 1-iodobutane and 2-iodobutane not only sheds light on their individual characteristics but also enhances our broader knowledge of organic chemistry and the significance of functional groups in molecular behavior. As we explore the world of chemical compounds, appreciating these nuances can lead to innovative applications and solutions in various fields!