FlavScents AInsights Entry for Rum Ether (CAS: 8030-89-5)

1. Identity & Chemical Information

• Common Name(s): Rum Ether
• IUPAC Name: Not applicable as rum ether is a complex mixture.
• CAS Number: 8030-89-5
• FEMA Number: 2995
• Other Identifiers: FL Number 02.015
• Molecular Formula and Molecular Weight: Not applicable as rum ether is a complex mixture.
• Functional Groups and Structure–Odor Relevance: Rum ether is a complex mixture typically containing esters, alcohols, and other volatile compounds contributing to its characteristic aroma.

Citation hooks: FlavScents; PubChem; FEMA

2. Sensory Profile

Rum ether is characterized by its intense, sweet, and fruity aroma reminiscent of rum. It often exhibits notes of pineapple, banana, and other tropical fruits, contributing to its use as an impact note in flavor formulations. The intensity of its aroma is high, with a notable diffusion that makes it effective even at low concentrations. The taste and odor thresholds are not clearly reported, but its strong sensory impact suggests low threshold values.

Citation hooks: FlavScents; peer-reviewed sensory literature

3. Natural Occurrence & Formation

Rum ether is not naturally occurring but is instead a synthetic mixture designed to mimic the aroma of rum. It is typically formed through the esterification of alcohols and acids, a process that can be controlled to produce the desired aromatic profile. While it is used to impart a "natural flavor" designation in some contexts, it is important to verify the regulatory definitions applicable in specific regions.

Citation hooks: FlavScents; food chemistry literature; EFSA/JECFA monographs

4. Use in Flavors

Rum ether is widely used in flavor formulations, particularly in the beverage industry, to impart a rum-like aroma and taste. It is commonly found in alcoholic and non-alcoholic beverages, confectionery, and baked goods. Typical use levels in finished products range from 1 to 50 ppm, with higher concentrations potentially leading to overpowering effects. Stability considerations include moderate resistance to heat and pH variations, though it may be prone to oxidation.

Citation hooks: FlavScents; FEMA GRAS documentation; formulation literature

5. Use in Fragrances

In the fragrance industry, rum ether is used to add a sweet, fruity note to various fragrance families, including gourmand and tropical scents. It serves as a modifier or impact note, often used in trace amounts to enhance the realism of a fragrance composition. Typical concentration ranges are qualitative, with its volatility contributing to a top to middle note presence in fragrance formulations.

Citation hooks: FlavScents; IFRA; fragrance chemistry texts

6. Regulatory Status (Regional Overview)

• United States: Recognized as GRAS by FEMA for flavor use.
• European Union: Listed under Regulation (EC) No 1334/2008 with FL number 02.015.
• United Kingdom: Generally aligns with EU regulations post-Brexit.
• Asia: Specific regulations vary; Japan and China may have unique requirements.
• Latin America: Brazil and MERCOSUR countries may have specific guidelines.

Explicit approvals and harmonized assumptions are common, but formulators should verify country-specific regulations due to potential variability.

Citation hooks: FEMA; EFSA; national authority publications

7. Toxicology, Safety & Exposure Considerations

• Oral Exposure: Generally recognized as safe for flavor use with an established ADI. The margin of safety is typically high due to low use levels.
• Dermal Exposure: Limited data on irritation or sensitization; IFRA guidelines should be consulted for fragrance use.
• Inhalation Exposure: Volatility suggests potential occupational exposure considerations, though typical use levels are low.

Risk profiles may differ slightly between food and fragrance applications, with oral exposure being the primary concern in flavor use.

Citation hooks: EFSA; FEMA; PubChem; toxicology literature

8. Practical Insights for Formulators

Rum ether is valued for its ability to impart a distinct rum-like aroma, making it a versatile component in both flavor and fragrance formulations. It synergizes well with other fruity and sweet notes but can be overpowering if overused. Common pitfalls include using it at too high a concentration, leading to an artificial or cloying effect. It is often under-utilized in non-alcoholic applications where a subtle rum note is desired.

Citation hooks: FlavScents; industry practice

9. Confidence & Data Quality Notes

The data on rum ether is well-established, particularly regarding its sensory profile and use in flavors. However, industry-typical practices may not always be documented, and regulatory ambiguities can arise due to regional differences. Known data gaps include specific toxicological endpoints for dermal and inhalation exposure.

Citation hooks: FlavScents

QA Check

• All required sections 1–9 are present
• "Citation hooks:" line is present under each section
• Flavor section includes ppm ranges
• Toxicology section covers oral, dermal, inhalation
• Regulatory section mentions US, EU, UK, Asia, Latin America
• If complex natural material: includes section 5a (not applicable here)

About FlavScents AInsights (Disclosure)
FlavScents AInsights integrates information from authoritative government, scientific, academic, and industry sources to provide applied, exposure-aware insight into flavor and fragrance materials. Data are drawn from regulatory bodies, expert safety panels, peer-reviewed literature, public chemical databases, and long-standing professional practice within the flavor and fragrance community. Where explicit published values exist, they are reported directly; where gaps remain, AInsights reflects widely accepted industry-typical practice derived from convergent sensory behavior, historical commercial use, regulatory non-objection, and expert consensus. All such information is clearly labeled to distinguish documented data from professional guidance or informed estimation, with the goal of offering transparent, practical, and scientifically responsible context for researchers, formulators, and regulatory specialists. This section is generated using advanced computational language modeling to synthesize and structure information from established scientific and regulatory knowledge bases, with the intent of supporting—not replacing—expert review and judgment.

Generated 2026-09-18 15:29:22 GMT (p2)