(2,4)- AND (3,5)- AND (3,6)-DIMETHYL-3-CYCLOHEXENYLCARBALDEHYDE
This entry profiles (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde, a synthetic flavoring agent used in flavor and fragrance applications.
What It Is
This section explains what (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde is in detail. (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde, identified by CAS number 27939-60-2, is an organic compound that belongs to a class of aldehydes used for sensory purposes in food and fragrance formulations. Often listed under the alternative descriptor dimethyl-3-cyclohexene-1-carboxaldehyde, this substance functions as a flavoring agent or adjuvant. A flavoring agent is a compound that contributes to or modifies the odor and taste profile of food products, and it may be incorporated at very low levels to achieve the desired sensory effect. Unlike major food components such as carbohydrates or lipids that contribute caloric value, such flavoring compounds are used at trace levels to impact aroma and taste. While some flavoring compounds occur naturally in botanical sources, many—including this one—are synthetically produced to offer consistent sensory characteristics. In commercial flavor and fragrance nomenclature, such substances may be referenced by structural descriptors reflecting the positions of methyl substituents on the cyclohexene ring. Other names and synonyms help ensure that scientific and regulatory communities can recognize the substance across databases and specifications. Reliable identifiers like the CAS number ensure accurate tracking in chemical inventories and regulatory submissions. Understanding what the compound is helps contextualize why it appears in certain food or fragrance applications. Its inclusion in flavor libraries and chemical catalogues reflects its role as a sensory compound rather than as a macronutrient or preservative. The science of flavor chemistry around such compounds is rooted in how structural features influence receptor interactions, volatility, and sensory perception, which in turn inform formulation decisions in food science and technology.
How It Is Made
This section details how (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde is typically synthesized and prepared for use. Industrially, most flavoring aldehydes such as this one are produced via controlled chemical synthesis rather than extracted from natural sources. According to chemical database entries, dimethylcyclohexene derivatives are often synthesized through multi-step organic reactions starting from simpler precursors, where catalytic processes and oxidation steps are used to build the cyclohexene core and introduce the aldehyde functional group. The exact proprietary industrial route used by flavor and fragrance manufacturers may vary and often depends on considerations such as yield, stereochemical control, and regulatory compliance for food-grade production. After synthesis, substances intended for use in food flavoring generally undergo purification to remove reaction by-products and residual catalysts. Purity specifications for flavor compounds are critical because impurities can influence both safety and sensory quality. Industry specifications often require that compounds meet defined criteria for identity, purity, and absence of specified contaminants prior to inclusion in flavor blends. Moreover, producers seeking food-grade status must follow good manufacturing practices and may be subject to certification processes that validate their suitability for consumable products. In the context of food chemistry, manufacturing methods emphasize consistency and reproducibility. Analytical methods such as gas chromatography and mass spectrometry are used during quality control to confirm the identity and proportion of the target compound. While precise details of commercial synthesis are typically proprietary, general industrial chemistry principles—such as carbon-carbon bond formation and controlled functional group transformations—underlie the production of flavoring aldehydes like (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde.
Why It Is Used In Food
This section explores why (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde is incorporated into food products and flavor systems. Flavoring agents are essential constituents of many food and beverage formulations because they contribute to the sensory experience of taste and aroma. Specifically, aldehydes such as this one can impart green, herbal, or citrusy notes, depending on the specific chemical structure and concentration used in a formulation. These sensory attributes make them valuable when designing products with particular flavor profiles, especially in complex blends where subtle aromatic nuances are required. In practice, food scientists select specific flavor compounds to evoke or enhance certain sensory impressions that consumers associate with freshness, fruitiness, or botanical qualities. By adding such compounds in precise, controlled amounts, manufacturers can create consistent flavor experiences across batches of products. Since people’s perception of flavor integrates both taste and smell, compounds with strong odor character at low thresholds are particularly valuable in flavor design. Another reason for using synthetic flavoring agents is supply consistency. Natural extracts can vary due to seasonal, geographical, or cultivar differences, but synthetic compounds provide uniformity and reliability in large-scale production. This consistency is critical for brands that need predictable sensory outcomes. In addition, synthetic flavoring agents can be more cost-effective than natural extracts, which may be scarce or expensive to obtain in quantity. Thus, the strategic use of this compound reflects a broader practice in food formulation where specific molecular entities are selected for their sensory properties, functional stability, and economic viability.
Adi Example Calculation
This section provides a general illustrative example of how an acceptable daily intake (ADI) could be applied in hypothetical terms. Imagine a flavoring agent for which an expert body has established an ADI of X mg per kilogram of body weight per day. For an adult weighing 70 kilograms, the permitted intake would be calculated by multiplying the ADI by body weight: 70 kg times X mg/kg/day equals a total allowable daily intake of (70 times X) mg per day. Such calculations illustrate how ADI values translate into practical exposure thresholds for consumers. It is important to note that this example is purely illustrative and does not apply to (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde because a specific ADI for this compound was not found in the available public regulatory evaluations. Consequently, actual numeric thresholds are not provided here. Nonetheless, the example clarifies the general mechanism by which ADI values, once established, inform risk assessment and regulatory decision-making. ADI considerations help ensure that exposure levels from all sources of a flavoring agent remain below thresholds associated with potential adverse effects in toxicological studies, incorporating safety factors to protect vulnerable populations.
Safety And Health Research
This section addresses safety and health research as it relates to (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde. Scientific evaluation of flavoring agents typically involves toxicological assessments focusing on general toxicity endpoints, potential irritation effects, and metabolic pathways. Publicly available chemical safety profiles for the compound identify it as an aldehyde derivative that may be irritating to skin, eyes, and respiratory systems in occupational contexts, which aligns with general hazard classifications for many volatile organic compounds with similar functional groups. For example, safety sources note irritation warnings associated with exposure; however, these sources describe occupational hazard data rather than dietary exposure assessments. Regulatory bodies and expert committees evaluate flavoring substances based on available toxicological data, potential exposure levels in food, and structural considerations. In the case of structurally related flavoring aldehydes, assessments often consider whether metabolic pathways can efficiently metabolize and eliminate such compounds without accumulating toxic intermediates. Many flavoring compounds have been subjected to group evaluations where structural similarity informs safety conclusions, but such evaluations may not be publicly documented for every individual compound. In standard risk assessment frameworks, hazard identification includes examining acute and chronic toxicity studies; dose-response assessment estimates thresholds where adverse effects might occur; exposure assessment estimates consumer intake based on intended use levels; and risk characterization integrates these elements to guide regulatory decisions. For this compound, lacking direct regulatory documentation and toxicological evaluation summaries in public databases, safety research narratives emphasize general principles of flavoring safety and risk assessment rather than definitive study results. This conservative approach reflects the need to rely on authoritative published evaluations and documented evidence when making safety statements or claims about health effects related to food use.
Regulatory Status Worldwide
This section summarizes the regulatory context for (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde. Flavoring substances are subject to evaluation by expert bodies to assess safety under intended conditions of use. Databases maintained by organizations such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) include specifications for flavoring agents and provide a framework for assessing such substances; however, specific regulatory evaluations for this compound have not been located in authoritative open regulatory databases. JECFA’s database allows search by CAS number or FEMA number, but an exact specification entry with detailed intake recommendations for this compound was not found in the available public records, so jecfa numeric and year values are not set here due to lack of evidence. General guidance from organizations like the Flavor and Extract Manufacturers Association (FEMA) indicates that many flavoring substances are evaluated for status described as generally recognized as safe (GRAS) under conditions of intended use, and information about GRAS evaluations is provided to regulatory authorities such as the U.S. Food and Drug Administration for inclusion in inventories of substances added to food. Federal regulations in the United States list "Substances Added to Food" inventory, but direct confirmation of this compound’s listing in these inventories requires specialized database access beyond publicly accessible records. In the European Union, flavoring substances may require inclusion in Union lists and compliance with flavoring regulations; again, authoritative specific entries for this compound were not identified in public EFSA outputs available to web search. Regulatory frameworks emphasize safety evaluation, documentation of conditions of intended use, and conformance with labeling requirements where applicable. Manufacturers and formulators relying on such flavoring agents operate within national and regional regulatory schemes that govern food additives and flavoring agents. Absent clear publicly accessible regulatory references specific to this compound, its official status under particular regulatory statutes remains uncertain, which is reflected in null regulatory safety fields with explanatory notes.
Taste And Functional Properties
This section describes the sensory characteristics and functional behavior of (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde. Flavoring aldehydes are known for their pronounced aroma profiles, and chemical descriptors in flavor catalogues indicate that this compound exhibits a green, herbal, or weedy aromatic character when evaluated in sensory studies. Such aromatic descriptors signify how the compound may influence the overall perceived flavor of a complex blend or food product when used in low concentrations. The functional properties of a flavor compound extend beyond odor notes; they also include factors like volatility, solubility, and stability. Because aldehydes can be reactive under certain conditions, formulators must consider how processing conditions—such as heat during baking or pH changes during fermentation—affect the compound’s integrity. In general, aldehydes are moderately volatile, contributing to aroma perception in the headspace above a food matrix. Their solubility in various media influences how they disperse in aqueous or lipid components of foods. For example, moderate solubility in neutral aqueous environments allows such compounds to be incorporated into beverage systems or emulsions without undue precipitation. Stability is another key consideration. Flavor aldehydes may undergo oxidation or other transformations during storage, which can alter their sensory properties over time. Therefore, manufacturers often pair such compounds with antioxidants or use encapsulation technologies to protect them against undesired chemical changes. The sensory impact of this compound in a final product is a balance of its intrinsic aromatic character, its interaction with other ingredients, and its functional behavior under processing and storage conditions.
Acceptable Daily Intake Explained
This section explains the concept of acceptable daily intake (ADI) in the context of flavoring substances. An ADI represents an estimate of the amount of a substance that can be consumed daily over a lifetime without appreciable health risk, expressed on a body weight basis. Regulatory and expert bodies such as the Joint FAO/WHO Expert Committee on Food Additives (JECFA) determine ADIs when sufficient toxicological and exposure data are available. For many flavoring agents, individual ADIs may not be established if the substance is considered under group evaluations or if data are insufficient to define a specific numeric threshold. ADI values are typically based on the most sensitive health endpoint observed in toxicological studies, along with application of safety factors to account for uncertainty in extrapolating from animal models to humans and to cover inter-individual variability. Explaining ADI helps lay readers understand that it is not a recommended intake level but a conservative benchmark used in regulatory assessment. When an ADI is established, it allows regulatory authorities and industry formulators to design usage levels in food products that remain well below exposure levels associated with adverse effects in experimental studies. In the context of this compound, because a specific ADI has not been found in public regulatory records, numeric values are set to null with notes explaining the absence of explicit evidence. The narrative emphasizes the general role of ADI in regulatory safety assessments for food additives and flavoring agents.
Comparison With Similar Additives
This section compares (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde with other flavoring agents of similar function. Within the broad class of flavor aldehydes, many compounds share structural features that contribute to aroma and taste characteristics used in food and beverage formulations. For example, cis-3-hexenal is a naturally occurring aldehyde with a green, leafy aroma and is used as a flavor component in some applications, reflecting similar sensory drivers in aldehyde chemistry. Another comparator, (E,E)-2,4-decadienal, exhibits deep fat and citrus-like notes and has been used as an aroma compound under regulatory oversight in specific jurisdictions. These comparisons illustrate the diversity of aldehyde flavor compounds and how structural differences influence sensory profiles. A third example could include smaller aldehydes such as hexanal, which imparts grassy and fresh notes at low concentrations and is encountered in applications where such characteristics are desired. Comparing these substances highlights that while all contribute to aroma, their sensory signatures and functional contexts differ. Formulators select specific compounds based on the desired flavor profile, compatibility with food matrices, and regulatory acceptance. The structural diversity among aldehydes enables a wide range of sensory effects, which is why this class of compounds is valuable in flavor science and technology. Those evaluating flavor ingredients in formulation or regulatory contexts must consider both sensory outcomes and available safety assessments for each specific compound.
Common Food Applications Narrative
This section outlines common food applications of (2,4)- and (3,5)- and (3,6)-dimethyl-3-cyclohexenylcarbaldehyde in narrative form. Flavoring agents such as this one are used across a range of food and beverage products where specific aromatic profiles are desired. In beverage systems, especially carbonated drinks, light fruit-flavored beverages, or herbal infusions, compounds with green or botanical notes contribute to the overall sensory impression without overwhelming other flavor components. In confectionery, such compounds may support fruit or herbal notes when combined with sweet components and other aromatic agents. Baking applications—including cookies, crackers, or breakfast bars—also benefit from selected aldehydes that provide nuanced aromatic depth, balancing sweetness with subtle herbal or green character. In dairy products and desserts, flavoring agents are used to fine-tune sensory profiles. For instance, certain gelati, puddings, or flavored yogurts incorporate carefully calibrated flavor blends in which minor components influence the perception of freshness or naturalness. Because human olfactory perception is sensitive to trace levels of potent aroma compounds, these substances are formulated at levels where they enhance but do not dominate the intended flavor profile. Sauces, seasonings, and dressings represent another application area; here, aromatic complexity can elevate consumer appeal, with aldehydes interacting synergistically with acids, sugars, and spices. Beyond standalone foods, flavoring agents are also essential in processed and packaged goods, including snack foods and ready-to-drink formulations. Their role in creating appealing sensory signatures helps manufacturers differentiate products in crowded marketplaces. Although individual compounds are used at low concentrations, their contribution to the overall flavor architecture of a product is significant. The art and science of flavor formulation involve blending multiple such compounds to deliver consistent, desirable consumer experiences across diverse product categories.
Safety & Regulations
FDA
- Notes: Specific FDA food additive status could not be verified in public regulatory databases.
EFSA
- Notes: No explicit EFSA authorization or E number was found in publicly accessible EFSA outputs.
JECFA
- Notes: Specific JECFA evaluation details not found; general JECFA database exists but this entry could not be verified directly.
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