Trans-Rose Ketone-5 is a synthetic or isolated aromatic compound that emulates the rose-like fragrance found in natural rose oils. It is primarily used in the fragrance and cosmetic industries to impart a rich, floral note to various products. Known for its potent and sophisticated rose aroma, Trans-Rose Ketone-5 enhances and diversifies the fragrance profiles of perfumes, cosmetics, and personal care items.

Chemical Composition and Structure:
Trans-Rose Ketone-5 is a ketone with a structure designed to mimic the aromatic components of natural rose oils. Its chemical formula is C13H18O. Key features include:

Molecular Structure: Contains a benzene ring with a ketone group, essential for its rose-like scent.
Stereochemistry: The "trans" designation refers to a specific stereoisomer of the ketone, which influences its aromatic properties and scent profile.

Physical Properties:

Appearance: Typically a clear or pale yellow liquid.
Odor: Characterized by a strong, sweet, and floral rose scent.
Solubility: Soluble in alcohol and oils, but not in water. It is commonly used in formulations involving lipid-based carriers.

Production Process:

Synthesis: Trans-Rose Ketone-5 is synthesized through chemical reactions designed to replicate the fragrance of natural rose components, with a focus on the trans isomer.
Purification: The compound is purified using techniques such as distillation or chromatography to ensure high purity and quality.
Formulation: The purified Trans-Rose Ketone-5 is incorporated into various fragrance and cosmetic products to achieve the desired aromatic effects.

Applications:

Fragrances: Used in perfumes and colognes to provide a rich, floral rose aroma.
Cosmetics: Included in facial creams, lotions, and body products to offer a sophisticated floral scent.
Personal Care Products: Utilized in deodorants, body sprays, and other items to enhance the sensory experience with a rose-like fragrance.

Environmental and Safety Considerations:

Environmental Impact: The production of Trans-Rose Ketone-5 should adhere to sustainable practices to minimize environmental impact, including reducing waste and optimizing resource use.
Safety: This ingredient is generally considered safe for use in cosmetics and personal care products when used as directed. It should be applied in appropriate concentrations, and individuals with sensitivities or allergies to fragrance components should be cautious.

Cosmetic safety

Restricted cosmetic ingredient as III/159 a Relevant Item in the Annexes of the European Cosmetics Regulation 1223/2009. Substance or ingredient reported: trans-Rose ketone-5 (see note 16) (E)-1-(2,4,4-Trimethyl-2-cyclohexen-1-yl)-2-buten-1-one (Isodamascone). Maximum concentration in ready for use preparation 0.02%

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: 39872-57-6 EC number 254-663-8