Rum ether (CAS 8030-89-5) — Sweet Top to heart Note Fragrance Ingredient
Rum ether
CAS 8030-89-5
What Is Rum ether?
Rum ether is a synthetic fragrance ingredient that recreates the rich, boozy aroma of aged rum. You’ll encounter it in tropical-themed perfumes, gourmand scents, and some masculine colognes. While not from actual rum, it captures the essence without alcohol content. This ingredient matters because it adds warmth and complexity, evoking Caribbean nights and dessert-like sophistication in fragrances. Its versatility bridges fresh citrus top notes with deeper vanilla and spice bases.
Safety Profile
USE WITH AWARENESSWhat Does Rum ether Smell Like?
Rum ether bursts with an initial punch of overripe banana and molasses, like the first whiff from a freshly opened rum cask. This sweet, slightly fermented top evolves into heart notes of caramelized sugar and toasted oak, with a subtle medicinal edge reminiscent of vanilla extract. The dry-down reveals a lingering warmth – not quite spicy, but with the brown sugar depth of a well-aged dark rum. Unlike actual alcohol, it maintains this rich character without sharp ethanol notes, making it ideal for perfumery applications where a boozy-but-not-intoxicating effect is desired.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used as a counterpoint to the citrus top notes, rum ether provides the signature ‘black forest cake’ effect – amplifying the cherry and vanilla while adding boozy sophistication to this iconic 90s powerhouse.
Here it blends with coffee and patchouli, the rum ether’s caramelized facets enhancing the gourmand qualities while preventing the composition from becoming overly sweet or flat.
Chemistry, Properties & Perfumer Guide
The Chemistry
Rum ether is a synthetic reconstruction of rum’s volatile compounds, primarily consisting of ethyl formate and other esters that form during rum aging. While not a single molecule, the blend typically includes: Ethyl formate (fruity, rum-like), Ethyl lactate (creamy), and Acetaldehyde diethyl acetal (green apple nuance). Modern versions may incorporate trace amounts of oak lactones and vanillin to better mimic barrel-aged characteristics. The material is produced through controlled esterification reactions rather than distillation, allowing precise control over the aroma profile without actual alcohol content.
Physical & Chemical Properties
| Appearance | Clear to pale yellow liquid |
|---|---|
| Solubility | Soluble in alcohol and oils |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Adds warmth without overwhelming |
| Candles | 1-3% | Up to 8% | Enhances gourmand effects |
Classic Accords
Tip: Use rum ether to ‘lift’ heavy oriental bases – 0.2% can prevent vanilla or benzoin from becoming cloying.
Alternatives & Comparisons
For a cleaner rum effect without caramel notes; works well in fresh citrus colognes where full rum ether would be too sweet.
When natural sourcing is preferred, though this brings more woody than sweet characteristics compared to rum ether.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not currently restricted by IFRA, though some component esters may fall under general ester guidelines (Amendment 49).
EU Allergen Declaration
None at typical usage levels, though trace ethyl formate content may require declaration above 0.1% in some formulations.
RIFM Assessment
Considered safe at current industry usage levels based on 2018 RIFM evaluation of rum-derived materials.
Sustainability
As a synthetic material, rum ether avoids agricultural impacts associated with actual rum production. However, some components are petroleum-derived. Leading manufacturers now use bio-based ethanol for ester production, reducing the carbon footprint. The material’s high potency means small quantities achieve the desired effect, minimizing environmental load per finished product.
Explore Rum ether
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References
- Burdock, G.A. (2010). Fenaroli’s Handbook of Flavor Ingredients. CRC Press. ISBN 9781439856333
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorPerfumers Notes
Regulatory Status
FEMA GRAS #2996
Standard Dilution
10% in DPG (standard dilution for most fragrance materials)
Typical Usage Levels
FEMA GRAS (#2996) — typical use 0.01-5% in fragrance.
Ingredient Data Sheet
CAS 8030-89-5Odor & Flavor
| Rum ether has a rum-like odor and flavor. A gas chromatographic analysis of rum ether has led to the identification of 22 components in varying concentrations (as low as 50 ppm); caramel is added to the rum ether for coloring purposes; in general, the addition of rum ether to the finished liquor does not exceed 2 to 3% for flavoring purposes. For a detailed description of this compound refer to Burdock (1997).📖 Fenaroli |
Regulatory Status
| IOFI Classification | Nature Identical📖 Fenaroli |
Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.
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