Isoamyl Acetate

Isoamyl Acetate (CAS No: 123-92-2) Supplier in Europe

Isoamyl acetate, commonly known as banana oil, is a fascinating compound with a range of applications in various industries. This chemical is renowned for its distinctive fruity aroma, which closely resembles that of bananas and pears.

It’s used extensively in the production of artificial flavors and fragrances, making it a staple in the food and cosmetics sectors.

Isoamyl acetate also plays a crucial role in the brewing and winemaking processes.

It’s a natural byproduct of yeast fermentation, contributing to the characteristic estery notes that enhance the sensory profile of beers and wines.

Brewers and winemakers often monitor its levels to achieve desired flavor balances.

In the realm of biology, isoamyl acetate serves as an important signaling molecule.

Honeybees, for instance, release this compound to mark flowers and communicate the presence of food sources to their hive-mates. Its role as a natural attractant showcases its importance in the ecological dynamics of pollination.

Chemical Properties

Isoamyl acetate exhibits specific molecular structure, physical properties, and chemical reactivity that are crucial for various applications.

Molecular Structure

Isoamyl acetate, known chemically as 3-methylbutyl acetate, has the molecular formula C7H14O2.

It consists of a five-carbon isopentyl group attached to an acetate group.

The structure features:

• Carbon atoms: 7
• Hydrogen atoms: 14
• Oxygen atoms: 2

This ester’s properties are influenced heavily by the spatial arrangement of these atoms.

Its molecular weight is 130.19 g/mol. The compound exists as a clear liquid and is primarily used for its distinctive fruity aroma.

Physical Properties

Isoamyl acetate is a colorless liquid with a strong, sweet, banana-like odor. It has a boiling point of 142°C and a density of 0.88 g/cm³.

Its melting point sits around -78°C.

It is slightly soluble in water but mixes well with organic solvents like ethanol, ether, and chloroform.

Isoamyl acetate’s refractive index is 1.4083, making it useful in various industrial applications where clear visibility or precision is needed.

Chemical Reactivity

Isoamyl acetate is relatively stable but can undergo hydrolysis.

When reacted with strong acids or bases, it hydrolyzes to produce isoamyl alcohol and acetic acid.

Key reactions include saponification and acid-catalyzed hydrolysis:

• In basic conditions, the reaction creates soap and alcohol.
• In acidic conditions, it yields alcohol and acetic acid.

Its reactivity profile makes isoamyl acetate a valuable synthetic intermediate in organic chemistry, often employed in producing plastics, fragrances, and flavoring agents.

Applications

Isoamyl acetate has various uses in food flavoring, the fragrance industry, and as a solvent. Each of these applications harnesses its unique properties for specific purposes.

Food Flavoring

Isoamyl acetate is widely used as a flavoring agent, imparting a strong banana-like taste.

It is commonly found in candies, baked goods, and beverages.

To achieve the desired flavor intensity, only small amounts are needed.

Natural sources and synthetic production cater to different market needs, ensuring consistency and availability.

In addition to banana flavors, it also contributes to pear-drops and other fruity flavors, enriching the sensory experience of various products.

Fragrance Industry

This compound is valuable in the fragrance industry, providing fruity and floral notes.

Isoamyl acetate is often used in perfumes, adding a distinctive and appealing aroma.

Perfume manufacturers blend it with other scents to create complex fragrances.

It is also found in personal care products like lotions and shampoos for its pleasant smell.

Natural isoamyl acetate sourced from fermented materials adds authenticity to products, while synthetic variants ensure cost-effectiveness.

Solvent Uses

Isoamyl acetate serves as an effective solvent in many industrial applications. Its ability to dissolve cellulose acetate makes it useful in lacquer production.

In the printing industry, it is used to clean and maintain equipment. Additionally, it helps in the formulation of coatings and adhesives, improving their performance and application.

This compound’s solvent properties are valued for their efficiency and versatility across different sectors.