Skip to main content

Heptanal

ADVERTISEMENT
Identification
Molecular formula
C7H14O
CAS number
111-71-7
IUPAC name
heptanal
State
State

Heptanal is a liquid at room temperature. It is less dense than water and typically exists in a clear liquid state, making it easily identifiable among other aldehydes due to its distinctive odor and physical properties.

Melting point (Celsius)
-43.30
Melting point (Kelvin)
229.85
Boiling point (Celsius)
152.80
Boiling point (Kelvin)
425.95
General information
Molecular weight
114.19g/mol
Molar mass
114.1850g/mol
Density
0.8191g/cm3
Appearence

Heptanal, also known as heptanaldehyde or enanthal, is a colorless liquid with a strong, fruity odor reminiscent of oily or fatty materials. It can become yellow under the effect of light and air exposure.

Comment on solubility

Solubility of Heptanal

Heptanal, with the chemical formula C7H14O, is an interesting compound when discussing its solubility characteristics. As a straight-chain aldehyde, it exhibits some unique behavior in different solvents.

Solubility Properties

Here are key points regarding the solubility of heptanal:

  • Polar Solvents: Heptanal is soluble in polar solvents such as water, but only to a limited extent due to its hydrophobic hydrocarbon chain.
  • Non-Polar Solvents: It readily dissolves in non-polar solvents like hexane and octane, owing to the similar hydrophobic nature of these compounds.
  • Functional Groups: The presence of the carbonyl group (–CHO) makes it somewhat polar, allowing for interaction with polar solvents despite its larger alkyl group.

To summarize, heptanal's solubility is defined by its unique molecular structure:

  • Moderately soluble in water
  • Highly soluble in organic solvents

Ultimately, the solubility of heptanal showcases the influence of both carbon chain length and functional groups in determining how a compound interacts in various molecular environments.

Interesting facts

Fascinating Facts About Heptanal

Heptanal, often referred to as "n-heptanal," is a fascinating chemical compound that belongs to the family of aldehydes. Its structure consists of a linear chain with seven carbon atoms, giving it unique properties and applications. Here are some noteworthy aspects of heptanal:

  • Natural Occurrence: Heptanal is found in nature, particularly in the oils of certain plants and fruits. It is associated with the aroma of fresh-cut grass and certain fruits, which makes it intriguing for flavorists and perfumers.
  • Flavor and Fragrance Industry: Due to its pleasant, green, and fruity smell, heptanal is widely used in the production of fragrances and flavorings. It contributes to the sensory profile of various food items, enhancing their appeal.
  • Reactivity: As an aldehyde, heptanal is highly reactive. It can engage in several chemical reactions such as oxidation, forming carboxylic acids, or reduction, leading to alcohols. This makes it a versatile compound in organic synthesis.
  • Biochemical Significance: Heptanal is also of interest in biochemical research. Its presence can influence metabolic pathways in certain organisms, which can be significant in studies of plant behavior and interactions.
  • Environmental Relevance: In environmental chemistry, heptanal has been studied for its role in atmospheric reactions. It can participate in the formation of secondary organic aerosols, which are crucial for understanding air quality and climate change.

In conclusion, heptanal stands out not just for its chemical properties but also for its implications in various fields, from flavor chemistry to environmental science. As noted by many chemists, "the beauty of aldehydes lies in their simplicity and versatility." The study of heptanal exemplifies this philosophy, bridging the gap between nature and industrial applications.

Synonyms
Heptanal
Heptaldehyde
111-71-7
Enanthaldehyde
n-Heptaldehyde
Enanthal
N-HEPTANAL
Heptyl aldehyde
Heptanaldehyde
Oenanthaldehyde
n-Heptylaldehyde
Oenanthal
Oenanthol
Enanthic aldehyde
Enanthole
Oenanthic aldehyde
Aldehyde C-7
Heptylaldehyde
1-Heptanal
Heptanal (natural)
1-Heptaldehyde
FEMA No. 2540
FEMA Number 2541
n-C6H13CHO
NSC 2190
CCRIS 6041
HSDB 6026
heptan-1-al
EINECS 203-898-4
UNII-92N104S3HF
BRN 1560236
DTXSID0021597
CHEBI:34787
AI3-02066
92N104S3HF
NSC-2190
CHEMBL18104
DTXCID601597
HEPTANAL (ALDEHYDE C-7)
EC 203-898-4
CAS-111-71-7
MFCD00007028
UN3056
Oenanthole
Heptaldehyde, 95%
HEPTANAL [FHFI]
HEPTANAL [FCC]
HEPTANAL [MI]
n-Heptaldehyde [UN3056] [Flammable liquid]
N-HEPTANAL [HSDB]
WLN: VH6
FEMA NUMBER 2540
SCHEMBL22542
BIDD:ER0302
FEMA 2540
Heptaldehyde, analytical standard
NSC2190
Heptanal, >=95%, FCC, FG
STR02180
Tox21_202173
Tox21_302779
BDBM50028829
LMFA06000001
STL453624
AKOS000121137
FH34726
Heptaldehyde, technical, >=95% (GC)
NCGC00091807-01
NCGC00091807-02
NCGC00256491-01
NCGC00259722-01
DB-041000
H0025
NS00008989
EN300-24060
n-Heptaldehyde [UN3056] [Flammable liquid]
A802402
Q425827
F2190-0613
InChI=1/C7H14O/c1-2-3-4-5-6-7-8/h7H,2-6H2,1H
203-898-4