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Propyl hexanoate

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Identification
Molecular formula
C9H18O2
CAS number
2445-95-6
IUPAC name
propyl hexanoate
State
State

At room temperature, propyl hexanoate is a liquid. Its low melting point indicates it remains in liquid form under ambient conditions typical for many environments.

Melting point (Celsius)
-72.00
Melting point (Kelvin)
201.15
Boiling point (Celsius)
169.00
Boiling point (Kelvin)
442.15
General information
Molecular weight
144.21g/mol
Molar mass
144.2110g/mol
Density
0.8590g/cm3
Appearence

Propyl hexanoate is a colorless liquid with a fruity odor, commonly described as a pineapple-like scent. It is an ester that is often used in flavorings and fragrances to impart tropical fruity notes.

Comment on solubility

Solubility of Propyl Hexanoate

Propyl hexanoate, a fruity-smelling ester, has interesting solubility characteristics that are essential for various applications in the food and fragrance industries.

Solubility in Different Solvents

This compound exhibits the following solubility behaviors:

  • Water: Propyl hexanoate is sparingly soluble in water due to its hydrophobic tail, which limits its interaction with water molecules.
  • Organic solvents: It is readily soluble in a variety of organic solvents such as ethanol, ether, and chloroform. This high solubility can be attributed to the similar polarities of the ester and these solvents.

Factors Affecting Solubility

The solubility of propyl hexanoate can be influenced by:

  • Temperature: Increased temperature usually enhances the solubility of organic compounds in solvents.
  • Pressure: Although pressure has less effect on liquid solubility, it can still play a role in systems involving gases.
  • Chain length: The presence of longer hydrocarbon chains in esters tends to decrease water solubility but increases solubility in non-polar solvents.

In summary, while propyl hexanoate is not very soluble in water, its solubility in organic solvents makes it a valuable compound for various applications, particularly in the production of flavorings and fragrances. Understanding its solubility properties is essential for its effective use.

Interesting facts

Interesting Facts about Propyl Hexanoate

Propyl hexanoate, also known as propyl caproate, is an intriguing ester that is commonly found in various fruits and is often associated with pleasant fruity aromas. It holds significance in both the food industry and fragrance industry due to its unique properties. Here are some notable facts about this compound:

  • Aromatic Qualities: Propyl hexanoate is renowned for its fruity scent, often reminiscent of apples and pineapples. This makes it a popular choice in flavoring agents and fragrances.
  • Natural Occurrences: This ester can be naturally found in foods like apples and berries, thus contributing to the desirable flavors and aromas.
  • Synthesis: Propyl hexanoate can be synthesized through the esterification process, where hexanoic acid reacts with propanol. This process requires careful monitoring of reaction conditions to achieve the desired purity.
  • Applications: Besides its use in the production of artificial flavors and fragrances, this ester is also utilized in the cosmetics industry due to its appealing scent.
  • Safety Profile: Regarding safety, propyl hexanoate is generally recognized as safe (GRAS) when used appropriately in food products. However, like any chemical, it should be handled with care in concentrated forms.

Overall, the distinct properties of propyl hexanoate not only make it a subject of interest for chemists but also underline its importance in enhancing sensory experiences in everyday products. From fruity flavors to fragrant aromas, this compound plays a vital role in both the culinary and cosmetic realms.

Synonyms
PROPYL HEXANOATE
Propyl caproate
Hexanoic acid, propyl ester
FEMA No. 2949
Propyl hexanoate (natural)
UNII-30A840S94U
EINECS 210-963-0
NSC 53784
NSC-53784
30A840S94U
1-PROPYL N-CAPROATE
AI3-06014
DTXSID3060823
CHEBI:87365
FEMA 2949
Propyl caproic acid
Propyl hexanoic acid
Caproate propyl ester
Hexanoate propyl ester
Propionyl hexanoic acid
DTXCID5043421
210-963-0
htuiwrwyyvbcft-uhfffaoysa-n
626-77-7
Caproic acid propyl ester
n-Propyl hexanoate
Hexanoic Acid Propyl Ester
propionyl hexanoate
n-Propyl n-hexanoate
WE(3:0/6:0)
propylhexanoate
n-propyl hexanoaten
MFCD00053803
Caproic acid propylester
caproyl acid propyl ester
SCHEMBL125719
Propyl hexanoate, >=98%, FG
N-PROPYL HEXANOATE [FHFI]
NSC53784
LMFA07010435
AKOS008948029
CS-W014332
HY-W013616
Propyl hexanoate, natural, >=95%, FG
LS-13710
DB-003611
NS00022561
P1940
D92174
Q3135041