DECYL ACETATE

CAS: 112-17-4 FLAVORING AGENT OR ADJUVANT

DECYL ACETATE (CAS 112-17-4) is a carboxylic ester used as a flavoring agent and adjuvant in food, characterized by a fruity odor profile and included in FDA food additive regulations under 21 CFR 172.515 as a synthetic flavoring substance. It has been evaluated internationally as a flavoring substance with no safety concerns at typical intake levels when used in accordance with good manufacturing practice.

What It Is

DECYL ACETATE is an organic carboxylic ester identified by the Chemical Abstracts Service Registry Number 112-17-4 and known by synonyms including Acetate C-10, Decyl Ethanoate, Decanyl Acetate, and Acetic Acid, Decyl Ester. This compound belongs to the class of fatty acid esters derived from the esterification of decanol and acetic acid. In the context of food science and additive classification, it functions primarily as a flavoring agent or adjuvant, meaning it is added to food products to impart or modify flavor profiles. As an aliphatic ester, DECYL ACETATE exhibits a characteristic fruity and floral aroma that contributes to its selection in flavor formulations. The compound is recognized for its utility in both gastronomic and aroma applications within regulatory frameworks that govern food additive usage under conditions that ensure safety and good manufacturing practice. Across industrial and regulatory listings, DECYL ACETATE appears as a defined chemical entity with a clear purpose in flavor applications. The flavoring industry often uses such esters at low concentrations due to their perceptible sensory contribution without significantly altering other food properties. Its inclusion in regulatory standards underscores its acceptance and defined use case in foods and beverages where flavor modulation is desired. DECYL ACETATE functions alongside a broad suite of other flavoring esters that together provide formulators with a palette of sensory effects that can be tailored to fruit, floral, or citrus notes in finished products. From a basic chemistry perspective, DECYL ACETATE is relatively simple structurally, composed of a ten-carbon alkyl chain attached via an ester linkage to an acetate group. This structure confers hydrophobic characteristics and influences its sensory traits, such as odor strength and flavor contribution. Its use in food systems leverages these sensory and chemical properties while ensuring compliance with usage thresholds and regulatory guidance, as described in official food additive listings.

How It Is Made

DECYL ACETATE is manufactured industrially through a standard esterification process involving the reaction of decanol (a 10-carbon primary alcohol) with acetic acid in the presence of an acid catalyst. Typical catalysts include mineral acids such as sulfuric acid or organic acid catalysts that facilitate the removal of water formed during the reaction, shifting equilibrium toward the ester product. After the esterification reaction is complete, the crude reaction mixture undergoes purification steps including neutralization of residual acids, washing to remove water and catalyst residues, and distillation to isolate DECYL ACETATE at defined purity levels suitable for flavor and fragrance applications. The purification regime is essential because flavoring grade compounds demand stringent control of impurities that could affect sensory properties or introduce undesirable off-notes. Industrial distillation columns operate under controlled temperature and pressure to separate DECYL ACETATE from unreacted starting materials and byproducts. Analytical techniques such as gas chromatography may be used to confirm purity and ensure compliance with manufacturing specifications. In many cases, the quality standards for food grade DECYL ACETATE align with internationally accepted specifications for flavoring agents, emphasizing consistent sensory performance and minimal contaminants. The esterification process itself is a well-established organic chemistry transformation widely used in both industrial and laboratory settings for producing esters from alcohols and acids. The selection of reaction conditions, catalysts, and downstream processing reflects the need to balance efficiency, safety, and product quality. While proprietary refinements may exist between producers, the overarching methodology for synthesizing DECYL ACETATE remains grounded in classical ester chemistry principles that deliver a stable and reproducible product used in flavor applications.

Why It Is Used In Food

DECYL ACETATE is used in food primarily because of its ability to contribute specific sensory notes without adding nutritional content or significantly altering other food properties. As an ester, it exhibits fruity, floral, and citrus-like olfactory characteristics that enhance or complement natural flavors in a variety of food products. Flavor formulators rely on such compounds to achieve desired sensory profiles in beverages, confectionery, dairy products, baked goods, and other processed foods where aromatic complexity and flavor balance are important. The functional rationale for using DECYL ACETATE in food stems from its volatility and odor threshold, which allow it to impart noticeable flavor perception at relatively low concentrations. In combination with other flavoring substances, it can help round out or accentuate specific notes, such as tropical fruit or fresh citrus impressions, contributing to a more appealing overall flavor experience. Its use as an adjuvant further indicates its role as a supporting compound that enhances the effects of other flavor components rather than serving as a dominant flavor on its own. Regulatory frameworks, including its listing under 21 CFR 172.515 in the United States, support its use as a synthetic flavoring substance when applied in accordance with good manufacturing practice. This means that food manufacturers are expected to use the minimum effective amount required to achieve the technical effect, ensuring that the compound’s contribution to flavor is intentional, controlled, and within safety expectations as established by expert evaluation. The compound’s acceptance in food formulations reflects its established sensory utility and regulatory recognition in defined flavoring applications.

Adi Example Calculation

A hypothetical example illustrates how ADI considerations might be applied if a numeric ADI were established for a flavoring substance. For example, if a hypothetical ADI of X milligrams per kilogram body weight per day were assigned, a person weighing 70 kilograms could theoretically ingest up to 70 times X milligrams of the substance daily without exceeding the ADI. This illustrative calculation helps contextualize how body weight and ADI interact in exposure assessment. For DECYL ACETATE specifically, no numeric ADI is provided in authoritative regulatory listings like JECFA summaries, which instead conclude that there is no safety concern at normal flavoring use levels. Consequently, the example above remains hypothetical rather than applicable, but it demonstrates how numeric ADIs, when available, are used to relate regulatory guidance to real-world consumption patterns. In practice, food manufacturers are guided by regulatory requirements and good manufacturing practice to use flavoring agents at levels sufficient to achieve technical effect, with oversight mechanisms ensuring that overall exposure remains consistent with evaluated safety profiles rather than defined numeric ADIs.

Safety And Health Research

Safety evaluations of DECYL ACETATE have been conducted in the context of its use as a flavoring substance. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) evaluated DECYL ACETATE in the past and concluded that, at exposure levels typical of its use in flavor applications, there were no safety concerns. Such evaluations consider available toxicological data and likely dietary exposure to determine whether a chemical poses risk when used as intended. Historical summary evaluations note acceptance based on available evidence at the time of review, reflecting the expert body’s risk assessment framework. In regulatory terms, the inclusion of DECYL ACETATE in food additive regulations under 21 CFR 172.515 in the United States reflects an acknowledgment that its use as a flavoring agent is compatible with safety expectations when employed according to good manufacturing practice. This regulatory listing is informed by historical evaluations and data submitted to support flavoring use, though it does not, by itself, define quantitative safety thresholds such as specific acceptable daily intake (ADI) values. Overall, safety research related to DECYL ACETATE has focused on its toxicological profile at low exposure levels associated with flavor use and has not identified hazards that would preclude its regulated use. The compound’s longstanding use in flavor formulations and regulatory acceptance in multiple contexts further supports its safety profile when used as intended in food products.

Regulatory Status Worldwide

In the United States, DECYL ACETATE is listed in the FDA’s food additive regulations under 21 CFR 172.515, which covers synthetic flavoring substances and adjuvants that may be safely used in food when employed at levels consistent with good manufacturing practice to achieve the intended flavor effect. This regulatory listing indicates that the substance has been reviewed and included as part of the roster of permissible synthetic flavoring agents under current food additive regulations. The regulation stipulates general conditions of use, emphasizing minimal effective amounts and adherence to general safety and manufacturing principles as codified by the FDA. Internationally, DECYL ACETATE has been evaluated by the Joint FAO/WHO Expert Committee on Food Additives (JECFA) as part of its assessments of flavoring substances, where it is identified with a JECFA number and classified as a flavoring agent. Historical evaluations have concluded that, at typical intake levels associated with its use as a flavoring agent, there are no safety concerns, reflecting the expert committee’s review of available toxicological and exposure data. This form of evaluation supports international regulatory recognition of the compound’s safety in defined flavor applications. Other regulatory frameworks, such as flavor inventories maintained by expert flavor associations, may include DECYL ACETATE with assigned identifiers that facilitate its use in globally traded food products. While specific usage limits may vary by jurisdiction, the underlying theme across regulatory contexts is that DECYL ACETATE is recognized as a flavoring substance when used in accordance with established practice and technical effect considerations.

Taste And Functional Properties

DECYL ACETATE contributes distinctive sensory properties that are appreciated in the context of flavor formulation. Sensory descriptors associated with this compound include fruity, floral, and citrus-like notes, often perceived as fresh or reminiscent of pineapple and orange nuances. At appropriate dilutions, these characteristics can enhance fruit-forward flavor profiles in foods and beverages without introducing off-flavors or overwhelming other components of a blend. The ester’s aromatic qualities stem from its molecular structure, which interacts with olfactory receptors in a way that is interpreted by the brain as fruity and pleasant, making it a valuable ingredient for flavorists seeking to evoke natural fruit impressions. Functionally, DECYL ACETATE has a degree of volatility that allows it to be detected by the nose at low concentrations, making it effective in applications where subtle sensory enhancement is desired. Its solubility characteristics—predominantly in organic media rather than water—mean that formulation considerations take into account the food matrix. In aqueous systems, it may partition differently than in high-fat or alcohol-containing products, influencing how the sensory perception unfolds upon consumption. Such functional behavior is typical of many esters used in flavor chemistry and underscores the importance of formulation expertise in leveraging these compounds effectively. Stability considerations also play a role in functional use: esters like DECYL ACETATE tend to be stable under normal processing conditions, though extreme heat or prolonged exposure to strong acids or bases can lead to hydrolysis back to their constituent alcohols and acids. In practical food production, this stability supports consistent sensory performance across processing and storage, enabling food manufacturers to rely on the compound’s flavor contribution over the product’s shelf life.

Acceptable Daily Intake Explained

An Acceptable Daily Intake (ADI) is a scientific concept used by regulatory and expert bodies to describe the amount of a substance that can be ingested daily over a lifetime without appreciable health risk, based on available data. For many flavoring substances, including DECYL ACETATE, specific numeric ADI values may not be formally established, particularly when expert evaluations conclude that typical exposures from intended use are far below levels that raise safety concerns. In such cases, flavoring agents may be managed through regulatory conditions that emphasize good manufacturing practice and minimal effective amounts rather than a specific numeric ADI. When regulatory bodies like the Joint FAO/WHO Expert Committee on Food Additives review flavoring substances, they consider toxicological studies and likely human exposure. For compounds where no safety concern is identified at customary use levels, this outcome suggests that the typical intake from foods is low relative to thresholds that would cause adverse effects in tested systems. In practical terms, regulatory and expert oversight ensures that DECYL ACETATE and similar flavoring agents are used at concentrations where sensory goals are met without posing risk. It is important to recognize that an ADI, whether numeric or qualitative, is not a recommendation for consumption but rather a risk assessment tool used by authorities to guide permissible usage and regulatory status. In the absence of a specific numeric ADI for DECYL ACETATE, regulatory listings and expert evaluations collectively inform how the substance is managed to protect public health while enabling its functional use in food products.

Comparison With Similar Additives

DECYL ACETATE can be compared with other ester-based flavoring agents such as ethyl acetate, isoamyl acetate, and butyl acetate, which also impart fruity notes in food products. Ethyl acetate is commonly used to provide sweet, fruity aromas reminiscent of pear and banana in beverages and confectionery. Isoamyl acetate is known for its characteristic banana-like aroma and is frequently used in fruit-flavored applications. Butyl acetate offers sweet, fruity notes often associated with apple or pineapple impressions. Compared to these more commonly encountered esters, DECYL ACETATE’s sensory profile tends to emphasize fresh, tropical and citrus-like nuances, making it suitable for flavor blends that seek complexity beyond simpler fruity impressions. Each of these esters shares functional attributes such as volatility and odor impact at low concentrations, but their specific olfactory qualities differ, enabling flavorists to tailor blends to desired consumer perceptions. Regulatory acceptance of ester flavoring agents often follows similar pathways, with many listed in flavoring inventories and food additive regulations when used according to good manufacturing practice. While the sensory profiles and preferred applications may vary, the underlying use logic for these compounds reflects their roles as tools for crafting appealing flavor experiences in diverse food categories.

Common Food Applications Narrative

DECYL ACETATE is found in a variety of flavored food products where a fruity or fresh aromatic character is desired. In beverage applications, esters like DECYL ACETATE may be used in fruit-flavored soft drinks, sparkling waters with citrus or tropical profiles, and ready-to-drink mixers to accentuate perceived freshness and complexity. Confectionery products such as hard candies, gummies, and fruit-flavored chews may incorporate this compound as part of a flavor blend to evoke notes of orange, pineapple, or other fruit impressions that appeal to consumers seeking vibrant and recognizable taste experiences. In dairy and dessert applications, subtle ester notes contribute to flavor depth in items such as flavored yogurts, frozen desserts, and custards where balanced aroma profiles are integral to overall consumer acceptance. Baked goods with fruit-inspired fillings or glazes may also benefit from its inclusion, as the fresh and floral qualities can help bridge natural and artificial flavor components. Additionally, flavorists may use DECYL ACETATE in low-alcohol or non-alcoholic beverage systems to replicate the aromatic complexity often associated with fruit essences, leveraging its sensory attributes to achieve targeted flavor goals. Across food categories, the common thread in applications is the pursuit of sensory enhancement: using DECYL ACETATE in combination with other esters, aldehydes, and ketones allows formulators to construct nuanced flavor experiences that resonate with consumer expectations for fruit-forward and aromatic products. Regulatory acceptance of its use under specified conditions has enabled its integration into such applications while ensuring that its contribution remains within defined safety and practice standards.

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Safety & Regulations

FDA

  • Approved: True
  • Regulation: 21 CFR 172.515

EFSA

  • Notes: Lack of specific EFSA numeric assessment.

JECFA

  • Notes: JECFA concluded no safety concern at typical intake levels but did not specify a numeric ADI.

Sources

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