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    Ingredient Profile

    Rose oxide fragrance note

    Rose oxide is a single molecule that captures the fresh, green lift of rose petals. Discovered in 1959 in Bulgarian rose oil, it now powers…More

    Switzerland

    3

    Fragrances

    Fragrances featuring Rose oxide

    3

    Character

    The Story of Rose oxide

    Rose oxide is a single molecule that captures the fresh, green lift of rose petals. Discovered in 1959 in Bulgarian rose oil, it now powers rose accords in countless modern fragrances, allowing perfumers to evoke rose without seasonal constraints.

    Heritage

    Rose oxide was discovered in 1959 by Casimir F. Seidel and Max Stoll at Firmenich, isolated from Bulgarian rose oil. Its identification marked a turning point in fragrance chemistry. For the first time, perfumers had access to a single molecule that captured a defining character of rose: the fresh, green lift that exists in the first moments after a rose petal is crushed. Before this discovery, creating rose fragrances required either natural rose extracts or a complex blend of natural materials. Rose oxide gave perfumers a reliable, year-round tool that bypassed the seasonal and geographic constraints of rose cultivation. The discovery also enabled entirely new rose accords that were difficult or impossible to achieve with natural ingredients alone. Today, rose oxide remains one of the most important aroma chemicals in perfumery, found in formulas from accessible florals to high-end niche creations.

    At a Glance

    Fragrances

    3

    Feature this note

    Origin

    Switzerland

    Primary source region

    Ingredient Details

    Extraction

    Synthetic

    Used Parts

    N/A (synthetic)

    Did You Know

    "Rose oxide appears naturally in lychee, giving the fruit its signature rosy aroma."

    Pyramid Presence

    Top
    2
    Heart
    1

    Production

    How Rose oxide Is Made

    Rose oxide is produced synthetically from citronellol, a natural component found in many essential oils. The primary commercial method involves photooxygenation of citronellol, where light transforms the starting material into rose oxide through a controlled oxidation reaction. Chemoenzymatic routes also exist, using enzymes to guide the transformation with high precision. The process yields specific stereoisomers with different olfactory properties. The (R,R) and (S,S) enantiomers carry a more potent green, metallic rose character, while the (R,S) form contributes floral, sweet notes. This stereochemical control allows manufacturers to fine-tune the raw material for different fragrance applications, from bright top-note accents to deeper heart-note contributions.

    Provenance

    Switzerland

    Switzerland46.9°N, 7.4°E

    About Rose oxide