2-ACETYL-3,5-DIMETHYLFURAN

CAS: 22940-86-9 FLAVORING AGENT OR ADJUVANT

2-Acetyl-3,5-dimethylfuran is a synthetic flavoring agent with a balsamic aroma used to enhance food flavors. It is evaluated internationally as a flavoring substance by expert committees.

What It Is

2-Acetyl-3,5-dimethylfuran is a synthetic chemical compound identified by the CAS number 22940-86-9 and classified for use as a flavoring agent or adjuvant in food products. It belongs to the class of compounds known as substituted furans, specifically a ketone derivative where acetyl and methyl groups are attached to the furan ring. The compound has been assigned the FEMA number 4071 and the JECFA number 1505, indicating recognition by industry and international expert bodies as a flavoring substance. In the context of food science and technology, this ingredient functions primarily to impart or enhance specific aromatic qualities, contributing a balsamic or sweet note to formulated foods and beverages. The chemical structure, with its furan ring and ketone functional group, is typical of many aroma-active compounds used in flavor creation. Its inclusion in flavor libraries and inventories reflects its use by flavorists and food developers who seek to achieve desired sensory profiles in end products. The availability of a defined technical function helps food formulators understand where this compound may be appropriate within recipes or product formulations, although its use must always comply with applicable food safety and labeling standards in jurisdictions where it is applied. In regulatory inventories such as the US FDA Substances Added to Food database (formerly EAFUS), 2-Acetyl-3,5-dimethylfuran is listed with details of its technical effect. This listing provides documentation that the compound has been evaluated by regulatory bodies for appropriate use categories. However, inclusion in such inventories does not automatically equate to explicit FDA approval under specific Code of Federal Regulations sections; rather, it signals formal recognition of the ingredient’s existence and typical application. Similarly, international assessments by JECFA provide insights into safety evaluations performed by expert committees, noting any concerns or data limitations identified during those reviews. Overall, 2-Acetyl-3,5-dimethylfuran is understood within the food science community as a flavoring agent with a defined role in sensory design, supported by technical descriptors and regulatory reference points in key expert inventories. The identification of the compound with multiple synonyms underscores the diversity of nomenclature encountered in scientific and industrial literature, which can include various systematic and trade-related names. These synonyms help users navigate cross-references across databases and flavor ingredient libraries. The compound’s physical properties, such as a balsamic scent and compatibility with typical flavoring matrices, align with its intended functional use in food applications. Because the ingredient’s classification is specific, it should be considered within the broader context of flavor chemistry and regulatory frameworks that govern food additive use.

How It Is Made

The production of 2-Acetyl-3,5-dimethylfuran involves organic synthesis techniques typical for substituted furan derivatives. While specific proprietary processes may vary by manufacturer, the general class of compounds is constructed through controlled chemical reactions that introduce acetyl and methyl substituents onto a furan ring backbone. Precursors such as methylated furans can be reacted under conditions that favor ketone formation at the appropriate carbon positions, often through acid catalysis or organometallic-assisted acylation steps. These synthetic pathways are well established in the field of organic chemistry and are adapted by chemical producers to yield compounds with high purity suitable for flavor applications. During manufacturing, quality control measures are implemented to ensure that the resulting product meets technical specifications for use in food-grade applications. Although 2-Acetyl-3,5-dimethylfuran may be produced in laboratories and chemical facilities, the use of this compound in food formulations necessitates adherence to good manufacturing practices and relevant safety evaluations. Producers supplying flavor compounds typically operate under guidelines that govern the handling and production of aroma chemicals, ensuring that the resulting material has defined identity, purity, and stability characteristics. These guidelines may include specifications for impurity levels, solvent residues, and analytical methods to confirm structural integrity. Even though detailed commercial production processes are proprietary, the core scientific understanding of how substituted furans are synthesized provides context for how 2-Acetyl-3,5-dimethylfuran is generated. The focus on controlling substituent positions and ensuring consistent quality reflects the broader principles of industrial chemistry where reproducibility and purity are central. In addition to synthetic routes, analytical techniques such as gas chromatography and mass spectrometry are used to confirm the composition and sensory characteristics of the product. Such verification ensures that the ingredient performs as expected when used by flavorists in food product development. The complexity of synthesizing specific aroma compounds underscores the specialized nature of the flavors industry, where chemists with expertise in heterocyclic chemistry apply their knowledge to tailor molecules for sensory impact. While 2-Acetyl-3,5-dimethylfuran itself is a relatively small organic molecule, the steps taken to produce it with food-grade quality are aligned with broader standards for flavor additive production.

Why It Is Used In Food

2-Acetyl-3,5-dimethylfuran is employed in food applications primarily because of its ability to contribute a balsamic, sweet aromatic note to flavor compositions. In flavor science, achieving a desired sensory profile often relies on combining multiple compounds that each contribute distinct odor and taste perceptions. This compound, with its furan-derived structure, has characteristics that align with flavor notes found in a variety of foods and can help enhance complexity or roundness in flavor profiles. In practical terms, formulators select specific flavoring agents based on how they interact with other ingredients and how they perform under food processing conditions such as heating, mixing, and storage. The molecular structure of 2-Acetyl-3,5-dimethylfuran provides volatility and sensory impact that make it suitable for inclusion in flavor bases designed for baked goods, dairy notes, or savory applications where a background sweetness or balsamic nuance is desired. Its compatibility with other aroma compounds allows flavorists to use it as a component in nuanced food flavor systems. Flavor chemists also consider how an ingredient behaves in different matrices. The stability of 2-Acetyl-3,5-dimethylfuran under typical conditions of pH and temperature encountered in food processing contributes to its utility, enabling it to be used in a range of products without rapid degradation or loss of sensory properties. Although specific performance can vary depending on formulation, its general profile makes it a versatile tool when creating balanced flavors. Overall, the use of this ingredient in food reflects the broader goal of enhancing consumer sensory experience by leveraging compounds that provide identifiable and desirable aromatic qualities. Its selection is based on both sensory data and technical considerations that ensure it can contribute effectively to comprehensive flavor designs.

Adi Example Calculation

To illustrate how acceptable daily intake concepts are applied in practice, consider a hypothetical scenario for a flavoring compound with an established numeric ADI. Suppose a compound has a notional ADI of X units per kilogram of body weight per day; a 70 kg adult would have an ADI of 70 times X units per day. However, for 2-Acetyl-3,5-dimethylfuran, no specific numeric ADI has been assigned by expert bodies like JECFA. Instead, JECFA’s evaluation indicates no safety concern at typical intake levels from food use. To conceptualize this in ADI terms, imagine that typical exposure estimates for a compound come from defined food categories and estimated usage levels, and that these exposures remain well below a hypothetical threshold derived from toxicological data. In such a scenario, even if an ADI were assigned, the actual exposure would be sufficiently lower to remain within the safety margin. In practical terms, food scientists and safety assessors use exposure estimates, such as Maximized Survey-derived Daily Intake (MSDI) or other intake models, to compare typical consumer exposures to established safety benchmarks. If typical use yields exposure estimates significantly below an ADI, it supports a conclusion of low risk. In the case of 2-Acetyl-3,5-dimethylfuran, expert findings suggest typical use levels do not raise safety concerns, serving a similar role to an exposure comparison against a numeric threshold. It is important to emphasize that this example is illustrative and not a substitute for regulatory guidance. Because no numeric ADI has been defined for 2-Acetyl-3,5-dimethylfuran by authoritative bodies, no specific calculation can be presented. Instead, the concept underscores how ADIs are used when defined and how expert evaluations frame safety in terms of typical use exposures relative to identified concerns.

Safety And Health Research

Understanding the safety profile of any food additive, including 2-Acetyl-3,5-dimethylfuran, involves examining how expert bodies evaluate toxicological data, exposure levels, and structural attributes related to potential health concerns. In the case of this compound, expert evaluations by bodies such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have specifically considered available data in the context of its use as a flavoring agent. JECFA’s assessments note that at typical levels of intake associated with use as a flavoring agent, there is no safety concern identified, reflecting an analysis of relevant evidence and expert judgment. However, these committees also highlight data limitations that may affect the completeness of the safety evaluation. A key element in understanding safety research for substituted furan derivatives like 2-Acetyl-3,5-dimethylfuran is consideration of structural class-related data. Certain furan derivatives have demonstrated positive genotoxicity data in experimental systems, and furan itself is recognized as a compound of toxicological concern due to mechanisms such as epoxidation and ring opening that can lead to reactive intermediates. In its evaluations, JECFA has described unresolved issues linked to specific group members, including the need for additional data to clarify how metabolism and reactive intermediates might contribute to observed effects. These concerns emphasize that caution in interpretation and ongoing research are central to a comprehensive understanding of safety profiles. Safety and health research also encompasses general considerations about exposure levels. Flavoring agents are typically used at low concentrations intended to achieve sensory impact without contributing significantly to dietary load. Expert committee evaluations take into account estimates of exposure based on reported usage levels in different food categories, offering context for how consumer exposure compares with levels where no safety concerns are observed. Such analyses reinforce the principle that hazard identification and exposure assessment together inform regulatory conclusions about safety at typical use levels. Overall, safety and health research regarding 2-Acetyl-3,5-dimethylfuran reflects a careful balance between empirical data, structural considerations, and expert judgment. While expert bodies have not identified concern at current exposure levels, they have also articulated areas where additional data could strengthen confidence in evaluations. This context underscores the dynamic nature of safety assessments and the importance of ongoing research and monitoring to support informed regulatory decisions.

Regulatory Status Worldwide

International regulatory inventories and expert evaluations provide context for how 2-Acetyl-3,5-dimethylfuran is recognized in the food safety landscape. In the United States, the compound is included in the FDA Substances Added to Food inventory (formerly EAFUS) with its CAS number and technical effect listed, indicating formal documentation that the ingredient is known and categorized for use as a flavoring agent or adjuvant. Inclusion in this database signals recognition of its common use categories, although it does not by itself confirm explicit approval under a specific FDA regulation section. Accordingly, it is important to note that while the ingredient appears in the inventory, no explicit Code of Federal Regulations section is d that mandates its conditions of use, and professional interpretation of how it fits within the broader regulatory framework should be considered. At the international level, the World Health Organization/FAO Joint Expert Committee on Food Additives (JECFA) has evaluated 2-Acetyl-3,5-dimethylfuran within the context of flavoring agents. JECFA’s evaluations, documented across several meetings, note that the compound is assigned JECFA number 1505 and has been considered within flavoring group evaluations. At least as of a relatively recent evaluation, JECFA noted that there was no safety concern at current levels of intake when used as a flavoring agent, reflecting an international expert committee’s assessment based on available data. However, JECFA also observed that the Procedure for the Safety Evaluation of Flavoring Agents could not be fully applied to this group of substances due to unresolved toxicological questions, underscoring data limitations and expert caution in interpreting findings. In regions such as the European Union, flavoring evaluations often derive from combined assessments by the Flavor and Extract Manufacturers Association (FEMA) Expert Panel and EFSA’s flavoring group evaluations, where usage levels and structural classes are examined. While specific EU regulatory numbers such as an E-number are not readily available for this compound, the inclusion of data in flavoring group evaluations and references to usage levels place it within the general EU context of flavoring assessment frameworks. These multifaceted regulatory contexts illustrate how 2-Acetyl-3,5-dimethylfuran is documented in authoritative inventories and expert evaluations, even as specific numeric regulatory values or explicit approvals under particular regulatory sections may not be uniformly assigned across jurisdictions. Overall, the regulatory status of 2-Acetyl-3,5-dimethylfuran worldwide reflects both acknowledgment of its function as a flavoring agent and the importance of ongoing safety evaluations by expert bodies. Users and regulators rely on inventories and expert committee reports to understand its recognized role and to inform decisions about use in food products.

Taste And Functional Properties

2-Acetyl-3,5-dimethylfuran exhibits sensory properties typical of many substituted furan compounds, with a balsamic and sweet aromatic profile at use levels relevant to flavor design. The perception of balsamic notes can evoke associations with certain roasted, caramelized, or complex sweet-scented elements in food, making it useful when aiming to augment such sensory cues in finished products. Its functional role in flavor systems is to provide an aromatic backbone that complements other ingredients, enhancing overall depth and palate perception. From a functional standpoint, flavor chemists consider how the compound behaves in solution, its volatility, and how it interacts with other aroma-active compounds. The volatility of this molecule allows it to be perceived in the headspace when a consumer experiences the aroma of a food product, contributing to the overall sensory impression without overwhelming other components. Its relative stability under normal processing and storage conditions supports its inclusion in a diverse array of applications, allowing it to maintain its sensory contribution over time. The solubility and physicochemical behavior of 2-Acetyl-3,5-dimethylfuran influence how it is incorporated into flavor blends. Like many aroma compounds, its compatibility with carriers and solvents used in flavor production ensures that it can be delivered consistently and homogeneously within a flavor formulation. These properties are essential for formulation work where precision and reproducibility matter, and they help flavorists predict how the compound will perform when mixed with other ingredients. In summary, the taste and functional properties of 2-Acetyl-3,5-dimethylfuran align with its role as a flavoring agent that offers a distinctive balsamic note and that integrates well into complex flavor systems. Its sensory profile and chemical behavior support its continued use in food science applications where aromatic depth and quality are key objectives.

Acceptable Daily Intake Explained

The concept of an acceptable daily intake (ADI) is central to how expert bodies communicate safety thresholds for food additives. An ADI represents an estimate of the amount of a substance that can be consumed daily over a lifetime without appreciable health risk, based on current scientific evidence. For 2-Acetyl-3,5-dimethylfuran, international expert evaluations such as those by the Joint FAO/WHO Expert Committee on Food Additives (JECFA) have not established a specific numeric ADI; instead, JECFA has stated that there is no safety concern at typical levels of intake associated with its use as a flavoring agent. This phrasing reflects an expert assessment that normal exposures from food use do not raise health concerns for the general population. When regulators or expert committees assign a numeric ADI to a substance, it is typically derived from toxicological studies in which effects are observed at certain dose levels in experimental models. A safety factor is then applied to account for differences between test systems and human variability, producing a threshold level deemed protective for all consumers, including sensitive subgroups. In the absence of a specific numeric ADI for this compound, the expert finding of no safety concern at current intake levels implicitly suggests that typical use does not exceed a threshold that would warrant a formal ADI figure. For consumers or product developers, understanding ADI helps frame how flavoring agents are regulated: these values provide a buffer between levels of exposure that occur in food and levels where toxicity might arise in controlled studies. In this case, the absence of a numeric ADI combined with expert conclusions of no safety concern means that the compound’s use in food is not associated with identified risks at customary use levels. Overall, explaining ADI in the context of 2-Acetyl-3,5-dimethylfuran highlights how safety assessments consider both hazard and exposure and how expert findings inform regulatory perspectives without necessitating a specific numeric intake limit.

Comparison With Similar Additives

Comparing 2-Acetyl-3,5-dimethylfuran with similar flavoring additives helps frame its role within the broader category of aroma compounds. Other substituted furans, such as 2-acetylfuran and 2,5-dimethylfuran, share structural elements with 2-Acetyl-3,5-dimethylfuran and often contribute sweet, caramel-like, or fruity aromatic notes in flavor systems. These compounds illustrate how small changes in substituent positions on the furan ring can affect sensory perceptions and functional behavior in food applications. For example, 2-acetylfuran is another furan-derived flavoring agent that has been evaluated for food use, offering a roasted or sweet aromatic quality that supports flavor complexity in baked goods and other products. Similarly, 2,5-dimethylfuran provides a different sensory profile, often leveraged for its unique aromatic contribution. Comparing these compounds highlights how each additive’s specific structural features influence its volatility, odor character, and integration into flavor blends. From a regulatory perspective, flavoring agents within this class may be evaluated by expert bodies using approaches that consider structural similarity and shared data, such as flavoring group evaluations. These evaluations can inform how individual compounds are grouped for safety assessment, recognizing that shared structural motifs may suggest common metabolic pathways or toxicological considerations. In the case of 2-Acetyl-3,5-dimethylfuran, comparisons with structurally related additives help contextualize how expert bodies approach evaluation of data and how usage levels are managed to achieve sensory objectives while maintaining safety. Overall, examining similar additives underscores common themes in flavor chemistry: how molecular structure relates to sensory and functional properties, and how regulatory frameworks address classes of compounds with shared characteristics. Such comparisons aid formulators in selecting complementary ingredients for desired sensory effects and help safety assessors in interpreting data across related substances.

Common Food Applications Narrative

2-Acetyl-3,5-dimethylfuran finds its place in a variety of food categories through its role as a flavoring agent that contributes a sweet balsamic aromatic character. In baked goods, for example, flavorists may use this compound as part of a flavor blend designed to enhance richness and aroma in products such as cookies, pastries, and sweet breads, where a nuanced sweet and slightly spicy note supports the overall sensory experience. In dairy-based applications including flavored milks or ice creams, the compound’s aromatic profile can help impart a deeper, rounder character that complements underlying creamy notes. Beyond sweet-oriented products, the compound’s balsamic character also supports nuanced savory profiles, especially in sauces, condiments, or gravies where a touch of aromatic complexity enhances consumer perception of flavor. It can act as a bridge between sweet and savory elements, offering sensory continuity across diverse culinary contexts. In confectionery, the compound may be paired with other flavor ingredients such as fruit essences or caramel notes to create multi-dimensional profiles that resonate with consumer expectations for indulgence and depth. The use of 2-Acetyl-3,5-dimethylfuran in beverage formulations, particularly nonalcoholic drinks with flavor layers, reflects a similar intent: to introduce an aromatic quality that elevates the beverage’s overall aromatic signature. Flavorists carefully balance its inclusion with other aroma components to avoid overpowering subtler notes while still achieving the desired sensory effect. In snack foods, particularly those with complex seasoning blends, the compound’s aromatic contribution supports the interplay of salty, sweet, and umami elements. Across these diverse food categories, the application of 2-Acetyl-3,5-dimethylfuran demonstrates how a single flavoring agent can play multiple roles within sensory design. Its integration into product formulations reflects both technical compatibility and sensory impact, enabling manufacturers to craft food experiences that align with targeted flavor profiles and consumer expectations.

Safety & Regulations

FDA

  • Notes: Inclusion in the FDA Substances Added to Food inventory indicates recognition of use categories, but no specific CFR section explicitly authorizes this additive under defined conditions.

EFSA

  • Notes: No specific EFSA numeric ADI or E-number assignment found in authoritative EU sources.

JECFA

  • Notes: JECFA concluded no safety concern at typical intake levels but did not assign a numeric ADI.
  • Adi Display: No safety concern at current levels of intake when used as a flavouring agent

Sources

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