Description

Isomethyl-beta-Ionone is a synthetic organic compound closely related to beta-Ionone. It is a colorless to pale yellow liquid known for its complex, woody, and floral aroma. This compound is predominantly used in the fragrance industry to provide a unique scent profile to various perfumes and scented products. It is valued for its stability and versatility in formulation.

Chemical Composition and Structure

Chemical Formula: C13H18O
Molecular Weight: 190.28 g/mol
Structure: Isomethyl-beta-Ionone has a bicyclic structure similar to beta-Ionone but with a slightly different arrangement of the side chains. It features a six-membered ring fused to a five-membered ring with a ketone group (–C=O) and conjugated double bonds.

Physical Properties

Color: Colorless to pale yellow liquid.
Odor: Woody, floral, and complex.
Texture: Light, non-greasy.
Solubility: Soluble in alcohol and oils; slightly soluble in water.

Production Process

Synthesis: Isomethyl-beta-Ionone is synthesized through chemical reactions that modify beta-Ionone or related compounds. This process often involves rearrangement or substitution reactions to achieve the desired molecular structure.
Purification: The synthesized Isomethyl-beta-Ionone is purified to remove any by-products and impurities, ensuring the quality of the final product.
Formulation: The purified Isomethyl-beta-Ionone is incorporated into fragrance and cosmetic formulations to provide its characteristic scent.

Applications

Isomethyl-beta-Ionone is utilized in various applications, including:

Fragrances: Adds a woody, floral note to perfumes and scented products.
Flavors: Used in food and beverage formulations for its unique aromatic profile.
Cosmetics: Included in personal care products for its fragrance and potential skin benefits.

Safety

Isomethyl-beta-Ionone is generally considered safe for use in cosmetics and personal care products when used as directed. It is regarded as non-toxic and non-irritating at typical concentrations. However, individuals with specific sensitivities or allergies should be cautious and consult product labels.

Environmental and Safety Considerations

Sustainable Practices: Production should adhere to environmentally friendly practices to minimize waste and environmental impact.
Safety Testing: Comprehensive safety assessments are necessary to ensure the ingredient's suitability for consumer use.
Regulatory Compliance: Adherence to relevant regulations and guidelines is essential to ensure consumer safety.

INCI


Perfuming. Unlike fragrance, which can also contain slightly less pleasant or characteristic odours, the term perfume indicates only very pleasant fragrances. Used for perfumes and aromatic raw materials.
Synonyms:

CAS: 79-89-0 EC number 201-231-1