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2,4-dimethylheptan-4-ol

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Identification
Molecular formula
C9H20O
CAS number
1070-82-4
IUPAC name
2,4-dimethylheptan-4-ol
State
State

2,4-Dimethylheptan-4-ol is a liquid at room temperature, primarily due to the presence of the hydroxyl group which lowers the melting point, combined with the branching in its structure which further reduces packing efficiency compared to linear compounds.

Melting point (Celsius)
-76.00
Melting point (Kelvin)
197.15
Boiling point (Celsius)
186.40
Boiling point (Kelvin)
459.55
General information
Molecular weight
130.23g/mol
Molar mass
130.2310g/mol
Density
0.8324g/cm3
Appearence

2,4-Dimethylheptan-4-ol is a clear, colorless liquid. It generally has a somewhat oily texture and may emit a faint, mild odor that is characteristic of alcohols. As a branched alcohol, its molecular structure can confer slightly viscous properties compared to less complex straight-chain alcohols.

Comment on solubility

Solubility of 2,4-dimethylheptan-4-ol

2,4-dimethylheptan-4-ol, a tertiary alcohol characterized by its branched hydrocarbon chain, exhibits distinct solubility properties. The solubility of this compound can be influenced by several factors:

  • Polarity: As a secondary alcohol, 2,4-dimethylheptan-4-ol possesses a hydroxyl group (-OH) that increases its polarity, allowing it to form hydrogen bonds with water.
  • Hydrophobic Hydrocarbon Tail: Despite its polar -OH group, the presence of a lengthy hydrophobic carbon chain reduces its overall solubility in water. The larger the hydrocarbon portion, the less soluble the molecule typically becomes.
  • Solvent Compatibility: 2,4-dimethylheptan-4-ol is more soluble in organic solvents, such as ethanol and ether, emphasizing the principle "like dissolves like."
  • Temperature Factors: Increasing temperature can enhance the solubility of organic compounds, suggesting that higher temperatures might improve the solubility of 2,4-dimethylheptan-4-ol in various solvents.

In summary, while 2,4-dimethylheptan-4-ol has moderate solubility in water due to its hydroxyl functional group, its solubility may be significantly enhanced in non-polar organic solvents. Thus, it exemplifies the delicate balance between polar and non-polar interactions in determining the solubility of chemical compounds.

Interesting facts

Interesting Facts about 2,4-Dimethylheptan-4-ol

2,4-Dimethylheptan-4-ol is a fascinating organic compound that belongs to the family of alcohols. This compound showcases the intricate possibilities of carbon chain branching, leading to unique molecular structures and properties. Here are some intriguing aspects:

  • Structural Diversity: The presence of two methyl groups at the 2 and 4 positions showcases how branching influences the chemical properties and reactivity of alcohols.
  • Functional Group Influence: As an alcohol, 2,4-dimethylheptan-4-ol contains a hydroxyl group (-OH) which increases its polarity and alters its solubility compared to its alkane counterparts.
  • Applications: This compound can be significant in organic synthesis, particularly in the development of various pharmaceuticals and perfumes, where such branched structures can impart desirable attributes.
  • Isomerism: Due to its structure, 2,4-dimethylheptan-4-ol can exhibit isomerism, leading to different compounds with varying properties, which adds to the complexity of organic chemistry.
  • Gas Chromatography: In laboratory settings, 2,4-dimethylheptan-4-ol can be analyzed using gas chromatography, providing insights into its purity and composition.

Overall, the study of 2,4-dimethylheptan-4-ol highlights the beauty and complexity of organic chemistry, and serves as a reminder of how minor structural changes can lead to significant differences in chemical behavior. As we explore such compounds, we broaden our understanding of both fundamental chemistry and its applications in various fields.

Synonyms
2,4-Dimethylheptan-4-ol
19549-77-0
2,4-DIMETHYL-4-HEPTANOL
4-Heptanol, 2,4-dimethyl-
EINECS 243-147-8
SCHEMBL4426458
DTXSID80871295
AKOS006273223
NS00046753