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Citral

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Identification
Molecular formula
C10H16O
CAS number
5392-40-5
IUPAC name
3,7-dimethylocta-2,6-dienal
State
State

At room temperature, citral is in a liquid state. Due to its low melting point, it remains a liquid even in cooler environments slightly above 0°C. Its fluid nature allows it to be readily mixed with other compounds for use in fragrances and flavorings.

Melting point (Celsius)
-10.00
Melting point (Kelvin)
263.15
Boiling point (Celsius)
229.00
Boiling point (Kelvin)
502.15
General information
Molecular weight
152.24g/mol
Molar mass
152.2370g/mol
Density
0.8880g/cm3
Appearence

Citral, a key ingredient in many citrus oils, is typically a pale yellow liquid that may appear slightly greenish depending on its purity and concentration. It possesses a strong lemon odor and is often used to impart a lemon fragrance to products. Due to its volatile nature, citral can evaporate easily, releasing its characteristic lemon scent into the surroundings.

Comment on solubility

Solubility of 3,7-dimethylocta-2,6-dienal

The solubility of 3,7-dimethylocta-2,6-dienal, a branched-chain aldehyde, can be quite interesting due to its unique structure. This compound displays notable characteristics pertaining to solubility influenced by both its hydrophobic and polar regions.

Factors Affecting Solubility

  • Polarity: The presence of the aldehyde group tends to impart some polarity, which allows it to dissolve to a certain extent in polar solvents.
  • Hydrophobicity: However, the lengthy hydrocarbon chain gives it a non-polar character, limiting solubility in highly polar solvents like water.
  • Solvent Compatibility: It is generally more soluble in organic solvents such as hexane, ethanol, and dichloromethane.

In summary, the solubility profile of 3,7-dimethylocta-2,6-dienal is primarily characterized by:

  • Good solubility in non-polar to moderately polar solvents.
  • Poor solubility in water due to the extensive hydrocarbon chain.
  • Varied behavior depending on the temperature and solvent used.

Overall, understanding the solubility of this compound is crucial for its application in various chemical processes and industries. As with many organic compounds, the balance of polar and non-polar features plays a crucial role in determining how it interacts with different solvents.

Interesting facts

Interesting Facts about 3,7-Dimethylocta-2,6-dienal

3,7-Dimethylocta-2,6-dienal is a fascinating organic compound that belongs to the aldehyde family. Known for its unique structure and properties, this compound has several intriguing aspects:

  • Natural Occurrence: This compound is often found in various essential oils and plant extracts. It contributes to the distinctive aromas of certain plants, making it of interest in the field of flavoring and fragrance.
  • Synthetic Applications: Due to its unique double bonds and aldehyde group, it is used in the synthesis of other organic compounds, showcasing its versatility as a building block in organic chemistry.
  • Health and Safety: As with many chemical compounds, it’s essential to handle 3,7-dimethylocta-2,6-dienal with care. It may pose risks if inhaled or ingested, emphasizing the importance of proper laboratory safety practices.
  • Research Potential: Scientists continue to explore this compound's potential in various fields, including medicinal chemistry. Research suggests that its derivatives may possess biological activities that are worthy of further investigation.

In summary, 3,7-dimethylocta-2,6-dienal is more than just a name on the periodic table. Its contributions to natural fragrances, synthetic chemistry, and research make it a compound worthy of study and appreciation. As one scientist puts it, “Every compound tells a story; we just need to know how to listen.”

Synonyms
3,7-Dimethyl-2,6-octadienal
2,6-Octadienal, 3,7-dimethyl-
CHEBI:23316
cis,trans-Citral
DTXSID6024836
Dehydrogeraniol
lime octadienal
3,7-dimethyl-2,6-octandienal
CHEMBL2297541
3,7-dimethyl-octa-2,6-dienal
3,7-dimethyl-2,6-octadien-1-al
3,7-dimethyl-2,6-octadiene-1-al
AKOS024306977
DB-052426
D0762
NS00077341
Citral (mixture of cis- and trans-isomers), Natural
Q60176530
Citral (mixture of cis- and trans-isomers), Synthetic FCC
Citral (mixture of cis- and trans-isomers), Geranial 45-55%, Neral 45-55%