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Isobutyl propionate

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Identification
Molecular formula
C7H14O2
CAS number
540-18-1
IUPAC name
isobutyl propanoate
State
State

At room temperature, isobutyl propionate is a liquid. It remains stable under normal conditions of use and storage.

Melting point (Celsius)
-85.00
Melting point (Kelvin)
188.15
Boiling point (Celsius)
134.00
Boiling point (Kelvin)
407.15
General information
Molecular weight
116.19g/mol
Molar mass
116.1580g/mol
Density
0.8686g/cm3
Appearence

Isobutyl propionate is a colorless liquid with a fruity odor. It is often used in flavorings and fragrances for its pleasant smell, which is reminiscent of rum and fruits.

Comment on solubility

Solubility of Isobutyl Propanoate

Isobutyl propanoate, with the chemical formula C5H10O2, is an ester known for its fruity aroma, often associated with the scent of apples. When discussing its solubility, several key points are noteworthy:

  • Solubility in Water: Isobutyl propanoate exhibits limited solubility in water. This is typical for many esters due to their hydrophobic alkyl chains that can hinder interactions with polar water molecules.
  • Solubility in Organic Solvents: It is highly soluble in a variety of organic solvents such as:
    • Alcohols
    • Aromatics
    • Chloroform
    • Diethyl ether
    This trait makes it particularly useful in applications requiring organic solvents.
  • Temperature Effects: Like many compounds, the solubility of isobutyl propanoate can increase with temperature. Elevated temperatures often facilitate greater mixing and solvation processes.

In summary, while isobutyl propanoate is not very soluble in water, its affinity for organic solvents opens up numerous applications in both industrial and laboratory settings. As with any solubility considerations, the environmental conditions and specific mixtures might lead to different behavior, thus experimentation is often necessary for definitive analyses.

Interesting facts

Interesting Facts About Isobutyl Propanoate

Isobutyl propanoate is an ester known for its fruity aroma and application in both the food and fragrance industries. As a chemical compound, it presents a fascinating intersection of organic chemistry and applications in everyday life.

Chemical Properties and Reactions

As an ester, isobutyl propanoate possesses some unique chemical characteristics:

  • Formation: It is formed through a condensation reaction between isobutanol and propanoic acid, releasing water as a byproduct.
  • Reactivity: Being an ester, it undergoes hydrolysis in the presence of water, reverting to its alcohol and acid components, especially under acidic or basic conditions.

Applications

The compound finds extensive use in various fields:

  • Flavoring Agent: Its pleasant, fruity scent makes it a common additive in food products, enhancing flavors.
  • Fragrance and Perfumery: Thanks to its sweet aroma, isobutyl propanoate is commonly utilized in perfumes, contributing to the composition of floral and fruity notes.

Environmental and Safety Considerations

While isobutyl propanoate is generally recognized as safe for use in food and cosmetics, it's essential to handle it with care:

  • Regulatory Approval: Its use in food products is regulated by agencies like the FDA, ensuring consumer safety.
  • Safe Handling: As with many organic compounds, proper storage and handling procedures should be observed to prevent exposure.

In Conclusion

Isobutyl propanoate is not just an interesting compound from a chemical perspective but also plays a vital role in enhancing our sensory experiences through flavors and fragrances. As we explore the world of organic compounds, esters like isobutyl propanoate remind us of the intricate relationships between chemistry and everyday life.

Synonyms
Isobutyl propionate
540-42-1
2-METHYLPROPYL PROPANOATE
Propanoic acid, 2-methylpropyl ester
2-Methylpropyl propionate
FEMA No. 2212
Isobutyl propionate (natural)
NSC 8450
EINECS 208-746-0
UNII-8Q382JSY9T
BRN 1745554
8Q382JSY9T
AI3-28238
NSC-8450
WE(3:0(2Me)/3:0)
DTXSID8060240
ISOBUTYL PROPIONATE [MI]
FEMA 2212
ISOBUTYL PROPIONATE [FHFI]
UN 2394
2-Methylpropyl propanoic acid
2-Methylpropyl propionic acid
DTXCID0041565
208-746-0
4-02-00-00709 (beilstein handbook reference)
fzxrxkluimkdel-uhfffaoysa-n
inchi=1/c7h14o2/c1-4-7(8)9-5-6(2)3/h6h,4-5h2,1-3h
Isobutyl propanoate
Propionic Acid Isobutyl Ester
Propionic acid, isobutyl ester
2-Methyl-1-propyl propanoate
iso-Butyl n-propionate
Isobutyl ester of propanoic acid
UN2394
isobutylpropionat
Propanoic acid 2-methylpropyl ester
MFCD00009307
Isobutyl propionate, 98%
Isobutyl propionate [UN2394] [Flammable liquid]
SCHEMBL124736
WLN: 2VO1Y1&1
CHEBI:88813
NSC8450
Isobutyl propionate, >=98%, FG
LMFA07010567
AKOS015895155
LS-13343
NS00012687
P0506
Isobutyl propionate [UN2394] [Flammable liquid]
Q27160785