Overview
Rose oxide is an oxygenated monoterpene and one of the most important fragrance chemicals in the floral family. First identified in rose oil, it's now synthetically produced for consistent quality. The compound exists in four stereoisomers, with the cis-isomer being most valued for its superior olfactory characteristics. As a key rose ketone, it's widely used to enhance or recreate natural rose scents where the cost or availability of natural rose extracts is prohibitive. Modern perfumery relies heavily on rose oxide for its ability to provide fresh, dewy rose nuances at low concentrations.
Physical and Chemical Properties
Rose oxide is a relatively stable compound with good persistence in fragrance formulations. Its low vapor pressure contributes to its longevity in perfumes. The material shows typical ether reactivity but is generally compatible with most fragrance ingredients. The compound's characteristic odor is detectable at extremely low thresholds (as little as 0.5 ppb in air), making it highly efficient in fragrance compositions. Technical specifications typically require minimum purity levels of 95%, with the remaining percentage being related isomers that may contribute subtle odor differences.
Main Applications
In perfumery, rose oxide is used in nearly all rose accords and many floral compositions at concentrations ranging from 0.1% to 5%. It's particularly valued in modern floral, fruity-floral, and chypre fragrance types. The flavor industry uses minute quantities (typically <10 ppm) to enhance fruit flavors, especially lychee and passionfruit profiles. Some pharmaceutical applications exist where a rose scent masking is required, though these are limited due to regulatory considerations.
Safety and Storage
Rose oxide is classified as non-hazardous under normal use conditions. The material should be stored away from strong oxidizers and heat sources to prevent degradation. Properly stored, it maintains stability for at least two years. Safety data sheets recommend handling with basic precautions - gloves and eye protection when working with undiluted material. IFRA guidelines permit use up to 1.5% in finished fragrance compounds, though most applications use significantly less.
B2B Procurement Guide
When sourcing rose oxide, buyers should specify the isomeric ratio as this affects the odor profile. Commercial material typically contains 70-80% cis-isomer. Request certificates of analysis for each batch, including gas chromatography results. Consider purchasing from suppliers who can provide regulatory documentation for your target markets (EU, US, Asia). Bulk shipments (drum quantities) typically offer the best value, though sample quantities are available for formulation testing. Lead times vary from 2-6 weeks depending on supplier location and current demand.
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