2-DECYLFURAN

CAS: 83469-85-6 FLAVORING AGENT OR ADJUVANT

2-DECYLFURAN is a chemical compound identified by CAS number 83469-85-6 that functions as a flavoring agent or adjuvant in food formulations. It has been evaluated by international expert bodies such as JECFA, and appears on flavoring substance inventories for use in sensory modification and aroma contributions in food products.

What It Is

2-DECYLFURAN is an organic compound in the class of heterocyclic aromatic compounds known as furans. In its structure, a decyl alkyl chain is substituted at the 2-position on the furan ring, giving rise to its common name and technical designation. It is identified by the Chemical Abstracts Service Registry Number 83469-85-6. This compound is principally recognized for its role as a flavoring agent or adjuvant that contributes to the aroma profile in food and beverage systems. Other descriptive identifiers sometimes used include variations on its systematic name, reflecting its structural composition, such as furan substituted at the 2-position with a decyl side chain. Substances in this chemical class are studied in flavor chemistry for their organoleptic characteristics, and compounds related to 2-DECYLFURAN have been documented in flavor inventories and regulatory listings that catalogue substances with potential use in flavor enhancement.

How It Is Made

The synthesis of 2-DECYLFURAN generally involves organic chemistry methods that construct the furan ring and introduce a long-chain alkyl substituent at a specific position. Classical approaches to synthesizing substituted furans utilize reactions such as acid-catalyzed cyclizations of appropriately functionalized precursors, or metal-catalyzed coupling of an appropriate long-chain alkyl fragment with a furan derivative. In industrial or research settings, chemists may start with readily available aliphatic precursors and conduct sequential functional group transformations to install the heterocyclic furan structure with the desired decyl substituent. Once synthesized, the technical grade material is purified using standard chemical purification techniques such as distillation or chromatography to achieve a flavoring specification. Manufacturers producing this substance for use in food research or flavor development typically control impurities and verify identity with analytical methods like gas chromatography-mass spectrometry. Specifications for flavoring substances often require defined purity criteria and verification of structural identity under regulatory or industry quality frameworks.

Why It Is Used In Food

Flavoring agents like 2-DECYLFURAN are included in food formulations to enhance or modify sensory characteristics such as aroma and taste. Although the compound itself may not contribute sweet or savory taste on its own, its aromatic properties can complement the flavor profile of complex food matrices by adding depth, complexity, or desirable notes that are perceived by consumers. In product development, flavorists select compounds based on their olfactory attributes, volatility, and compatibility with other flavor ingredients. 2-DECYLFURAN, with its specific aromatic profile, may be used in conjunction with other flavor compounds to achieve a targeted sensory outcome in baked goods, beverages, confections, or snack products. The aim of using such flavoring substances is to provide consistent sensory qualities that meet consumer expectations across production batches, helping to balance flavor notes and contribute to overall product appeal.

Adi Example Calculation

Although a specific numerical acceptable daily intake (ADI) has not been established for 2-DECYLFURAN through formal regulatory procedures, illustrative calculations can help explain how ADIs are typically applied. For example, if an expert committee had established an ADI of a hypothetical value, a person weighing 70 kilograms would calculate their lifetime daily exposure by multiplying the ADI by their body weight. This hypothetical calculation underscores that ADIs are expressed per kilogram of body weight and are used to compare estimated dietary exposure with a safety benchmark. When ADIs are defined, they help inform risk managers and product developers about allowable levels of additives in diverse food categories to ensure consumer safety over long-term consumption patterns.

Safety And Health Research

Safety evaluation of flavoring agents such as 2-DECYLFURAN involves assessment of available toxicological data to understand potential hazards and exposure risks. Regulatory bodies and expert committees review evidence on genotoxicity, chronic toxicity, metabolism, and other endpoints relevant to consumer safety. For substances in the furan class, historical evaluations have noted that certain structural analogs may exhibit toxicological concerns related to metabolic reactivity of the furan ring, prompting further investigation and, in some cases, concluding that standard safety evaluation procedures could not be fully applied without additional data. The expert evaluation for 2-DECYLFURAN notes unresolved toxicological concerns within its structural group, reflecting the need for comprehensive data on metabolism and potential formation of reactive intermediates. These assessments are precautionary in nature and focus on characterizing data gaps as well as identifying whether existing evidence indicates a risk at current usage levels, rather than asserting specific health effects. Safety research continues to evolve with new studies on chemical structure-activity relationships and exposure assessment methodologies.

Regulatory Status Worldwide

2-DECYLFURAN has been included in flavoring substance inventories and has been evaluated by expert bodies concerned with food additive safety. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) has evaluated this compound in the context of flavoring agents (JECFA Number 1493) and has noted that the standard safety evaluation procedure could not be applied due to unresolved toxicological concerns within its structural group, but that no safety concern at current levels of intake when used as a flavoring agent was identified. This reflects an expert committee’s assessment of available data rather than a specific numerical acceptable daily intake established through standard procedure. In the United States, flavoring substances like 2-DECYLFURAN appear in Food and Drug Administration inventories of substances added to food, though the inclusion in such listings is distinct from explicit approval under a specific Code of Federal Regulations section. In other jurisdictions such as the European Union, flavoring substance evaluations and inventories catalog chemicals used in food products according to structural groups and may provide additional context for use patterns. Regulatory frameworks differ by region, and the inclusion of a compound in an expert evaluation or inventory indicates recognition of its use in flavor applications but does not necessarily equate to a formal regulatory authorization with specified use levels.

Taste And Functional Properties

The sensory perception of flavoring agents like 2-DECYLFURAN is primarily determined by their volatility and the way they interact with olfactory receptors. Compounds in the furan family can contribute spicy, fatty, or aldehydic aromatic notes that influence how a food product is perceived. The functional properties relevant to use in flavor systems include solubility in lipid phases, stability under processing conditions such as heating, and compatibility with other components in the flavor formulation. The specific sensory profile of 2-DECYLFURAN arises from its molecular structure, where the aromatic furan ring provides a distinct odor characteristic while the decyl side chain influences its volatility and partitioning behavior. In practice, formulators use sensory evaluation and analytical techniques to determine the threshold levels at which the compound contributes positively without overpowering the intended flavor profile. Its stability can also be a factor in choosing whether and how it is incorporated, especially in applications that involve thermal processing or long-term storage.

Acceptable Daily Intake Explained

An acceptable daily intake (ADI) is a concept used by regulatory scientists to describe an estimate of the amount of a substance that can be ingested daily over a lifetime without appreciable health risk, based on available toxicological data and applying safety factors. In standard regulatory evaluations, numerical ADI values are derived when sufficient high-quality studies define dose-response relationships for relevant endpoints. For 2-DECYLFURAN, expert evaluations have not resulted in a defined numerical ADI through standard procedures due to unresolved toxicological concerns within its structural group, although no safety concern was identified at current intake levels when used as a flavoring agent. In practice, the absence of a formal ADI means that regulators and risk assessors consider usage levels and exposure estimates in the context of available data, and manufacturers often rely on expert opinions and specifications to guide safe use. Consumers should understand that the ADI is not a recommended intake but rather a benchmark for risk assessment that incorporates conservative assumptions.

Comparison With Similar Additives

Flavoring agents with structural similarities to 2-DECYLFURAN include other substituted furans and heterocyclic aromatic compounds that contribute specific aromatic notes in flavor systems. For example, 2-pentylfuran and 2-ethylfuran are other furan derivatives used in flavor chemistry; they differ in the length of the alkyl substituent, which influences their volatility and sensory profile. In comparison, shorter-chain furan derivatives tend to be more volatile and may impart sharper or more pronounced aroma characteristics, while long-chain derivatives like 2-DECYLFURAN have lower volatility and can contribute deeper, more subtle notes. In flavor formulation, these compounds are selected based on empirical sensory evaluation and compatibility with other components rather than specific regulatory functional designations. Understanding the structural differences among furan derivatives helps flavorists predict how changes in molecular structure influence olfactory perception and functional behavior in food matrices.

Common Food Applications Narrative

In the context of food and beverage products, flavoring agents like 2-DECYLFURAN serve as components of complex flavor blends rather than single-use additives. Such compounds are incorporated into formulations that require precise and reproducible sensory qualities, including baked goods, confectionery items, snack foods, dairy-based desserts, and beverage products. Within these applications, the compound’s aromatic characteristics can enhance perceived richness or contribute subtle spice-like notes that round out a product’s sensory profile. Food scientists and flavorists evaluate these substances in prototype formulations during product development to ensure they harmonize with other flavor constituents and contribute to the desired consumer experience. While individual use levels are typically very low due to the potency of flavor compounds, they play an important role in fine-tuning the sensory attributes that differentiate one product from another. Across different food categories, these flavoring agents are chosen based on empirical sensory data and analytical profiling rather than mandated functional roles like preservation or nutrient fortification.

Safety & Regulations

FDA

  • Notes: Presence in FDA flavor substance inventories does not equate to a specific CFR approval and specific code reference was not found.

EFSA

  • Notes: No specific EFSA numerical ADI was identified in available evaluations.

JECFA

  • Notes: JECFA evaluation did not establish a numerical ADI through standard procedures; unresolved toxicological concerns noted.

Sources

Comments

No comments yet. Be the first to share!