ALLYL THIOHEXANOATE

CAS: 156420-69-8 FLAVORING AGENT OR ADJUVANT

ALLYL THIOHEXANOATE is a synthetic flavoring agent used to impart fruity and sulfurous notes in food and beverage flavor formulations.

What It Is

ALLYL THIOHEXANOATE is a food flavoring compound identified by the CAS number 156420-69-8 and classified as a flavoring agent or adjuvant. It belongs to a class of organosulfur esters that are typically used in flavor design and formulation to impart characteristic sensory profiles, often described as fruity, tropical, or sulfurous at low concentrations. Flavoring agents like ALLYL THIOHEXANOATE are incorporated into flavor blends in food and beverage manufacturing to enhance or modulate sensory attributes without contributing nutritional value. This compound may also be referenced by alternative names that reflect its chemical structure, though standardized identifiers are most relevant for regulatory, formulation, and safety documentation. Flavoring agents serve a specific technological function in adjusting organoleptic properties, and their use is informed by sensory science and regulatory safety evaluations performed by expert bodies.

How It Is Made

The production of ALLYL THIOHEXANOATE involves organic synthesis techniques typical of flavoring and fragrance esters. In general, thioester flavor compounds are synthesized by esterification reactions between a thiol group-containing alcohol and a carboxylic acid derivative, under controlled laboratory or industrial conditions that aim to maximize yield and purity. Manufacturing processes for food-grade flavoring agents require careful control of reaction parameters, purification steps, and analytical verification to ensure consistency with applicable specifications and absence of harmful impurities. Although exact proprietary methods vary by manufacturer, the core synthetic approach aligns with standard organic chemistry practices used to produce esterified volatile compounds for sensory applications. Purity specifications for flavoring agents like ALLYL THIOHEXANOATE are established by agencies and expert panels to ensure that materials used in food formulations meet quality and safety expectations established by international guidelines and industry practice.

Why It Is Used In Food

Flavoring agents such as ALLYL THIOHEXANOATE are employed in food and beverage formulations to provide specific sensory effects that might not be achievable using natural ingredients alone. This substance contributes to the complexity and balance of flavor profiles, particularly in products where fruity or subtle sulfurous nuances are desired to enhance overall palatability. In practical terms, flavorists and food scientists incorporate such agents in formulations for snacks, beverages, confections, sauces, and other processed foods to achieve consistent taste experiences at commercial scale. The use of synthetic flavoring agents is often guided by sensory testing and consumer preference data, as well as by regulatory considerations that ensure safe levels of use. These agents enable manufacturers to deliver desirable flavor characteristics while maintaining product stability and cost-effectiveness. Because flavor perception is multifaceted, compounds like ALLYL THIOHEXANOATE are sometimes blended with multiple other flavoring ingredients to achieve nuanced sensory outcomes that align with target profiles in a given application.

Adi Example Calculation

To illustrate the concept of an Acceptable Daily Intake example in general, consider a hypothetical scenario where an expert body establishes an ADI of X mg per kg of body weight per day for a hypothetical flavoring agent. For a person weighing 70 kg, the hypothetical ADI would translate to 70 times X mg per day as the maximum amount considered safe for lifelong daily intake at typical exposure patterns. This example is illustrative of how ADI values are applied to body weight to estimate safe intake for individuals of different sizes. The actual ADI for ALLYL THIOHEXANOATE is not numerically established in available JECFA documentation because the expert conclusion indicated no safety concern at current intake levels when used as a flavoring agent. Therefore, calculation examples based on a numeric ADI are hypothetical and intended to explain methodology rather than provide specific guidance for this compound.

Safety And Health Research

Safety assessment of flavoring agents like ALLYL THIOHEXANOATE involves evaluation of toxicological profiles, potential for adverse health outcomes, and estimation of dietary exposure. Regulatory and international expert bodies consider data from in vitro studies, animal toxicology tests, and other relevant research to assess hazards such as acute toxicity, genotoxicity, reproductive and developmental effects, and chronic toxicity. For many flavoring agents evaluated by JECFA and similar bodies, available data indicate that typical levels of exposure through food consumption are far below thresholds of toxicological concern. JECFA's evaluation concluded that ALLYL THIOHEXANOATE does not raise safety concerns at current intake levels as a flavoring agent, based on the evidence reviewed. Safety assessments also consider metabolic pathways, absorption, and elimination to understand how compounds are processed in the body and to identify any potential for accumulation or bioactivity beyond sensory function. While research into specific endpoints can be extensive, the absence of identified safety concerns at typical exposure levels supports the continued use of such compounds in flavor design under regulated conditions. Ongoing research in food safety and toxicology continues to refine understanding of how minor constituents of food influence health, guiding both regulatory oversight and industry practice.

Regulatory Status Worldwide

Food flavoring agents such as ALLYL THIOHEXANOATE have been evaluated by international expert bodies for safety under conditions of intended use. The Joint FAO/WHO Expert Committee on Food Additives (JECFA) reviewed this compound in the context of flavoring agents and determined that it does not pose a safety concern at current levels of intake when used as a flavoring agent, based on the evaluation and data available at that time. This evaluation reflects expert assessment of toxicological information, exposure estimates, and relevant safety factors to conclude that intake under typical use patterns in food is not of concern. Many flavoring agents that are found to have no safety concern at typical intake levels may be included in expert panel databases and flavor ingredient libraries that support industry practice and regulatory transparency. National regulatory authorities, such as the U.S. Food and Drug Administration (FDA), maintain inventories of substances used in food, including those submitted with Generally Recognized as Safe (GRAS) determinations by expert panels, though formal approval pathways may vary by jurisdiction. In the European Union, flavoring agents are regulated under specific flavoring regulations, and compounds used in food must meet food safety requirements established by the European Food Safety Authority (EFSA). The regulatory status worldwide reflects a combination of international expert evaluations and national or regional regulatory frameworks that aim to ensure consumer safety while providing flexibility for technological use of flavoring substances in food production.

Taste And Functional Properties

ALLYL THIOHEXANOATE is recognized for its distinctive sensory contributions, often described in sensory literature and professional flavor libraries as imparting a combination of fruity and sulfurous notes. Sensory professionals and flavor chemists use descriptive attributes to communicate how a flavoring agent behaves in a matrix, including how it expresses odor and taste components at varying concentrations. The functional properties of this compound, like many thioesters, include high volatility and strong impact at low levels, which means that only minimal quantities are needed to influence overall flavor perception. Solubility characteristics vary with solvent systems, and these compounds are typically more soluble in organic solvents than in water, which influences how they are incorporated into flavor systems. Stability under processing conditions such as heating, pH changes, and storage may vary and is considered when designing formulations to ensure that intended sensory qualities persist throughout the product life cycle. Sensory descriptors and functional considerations play a key role in formulation decisions within product development teams focused on delivering consistent and desirable taste attributes.

Acceptable Daily Intake Explained

The concept of Acceptable Daily Intake (ADI) is a risk assessment tool used by regulatory and expert bodies to express the amount of a substance that can be consumed daily over a lifetime without appreciable health risk, based on toxicological data and safety factors. For many flavoring agents, including those evaluated by JECFA, traditional numeric ADI values are not established when available data indicate that intake at levels encountered in food does not present a safety concern. In such cases, expert panels may conclude that the substance does not pose a safety issue at typical intake patterns without specifying a numeric ADI. It is important to understand that the absence of a numeric ADI does not imply unrestricted use; rather, it reflects an evaluation that typical dietary exposure is far below levels associated with adverse effects in toxicity studies. Safety factors and conservative assumptions are applied in ADI derivation when numerical values are established, ensuring protective margins for sensitive populations. ADI is a regulatory reference rather than a recommended intake level, and it helps frame safe use guidelines in food formulation and risk communication.

Comparison With Similar Additives

When comparing ALLYL THIOHEXANOATE with other flavoring additives, it is useful to consider how different flavor compounds contribute distinct sensory profiles and functional roles. For example, isoamyl acetate is a fruity ester often used to impart banana-like notes, whereas ethyl maltol provides sweet, caramel-like nuances. In contrast, ALLYL THIOHEXANOATE brings a combination of fruity and sulfurous character that can complement or contrast with other components in a flavor blend. Each of these additives has been evaluated by regulatory or expert bodies for safety at typical exposure levels, and their inclusion in flavor systems is guided by sensory objectives and safety assessments. The diversity of flavoring agents available allows food scientists to tailor formulations to specific product categories and consumer preferences, balancing sensory impact, stability, and regulatory compliance. Comparing their functional roles highlights how different chemical classes contribute to the complexity of flavor design while maintaining safety under regulated use conditions.

Common Food Applications Narrative

Flavoring agents like ALLYL THIOHEXANOATE are constituents of many blended flavor systems used in a wide array of food products. In practice, food manufacturers integrate such compounds into savory snacks to enhance underlying notes, into beverages where nuanced fruity or exotic tones are desirable, and into confectionery items where they contribute to layered sensory experiences. In condiments and sauces, subtle flavor enhancers help round out complex taste profiles, while in baked goods, flavoring agents act in concert with other ingredients to deliver appealing aroma and flavor upon consumption. Processed snacks and ready-to-eat foods often rely on carefully calibrated flavor blends that include minor components like ALLYL THIOHEXANOATE to balance sweetness, umami, and other sensory impressions. In dairy analogs, fruit-flavored preparations, and frozen desserts, flavoring agents are selected to perform under specific temperature and formulation conditions to maintain consistent consumer experiences. The inclusion of flavoring agents in these applications is driven by sensory science, consumer preferences, and formulation strategies that prioritize taste complexity and product differentiation.

Safety & Regulations

FDA

  • Notes: FDA approval status is not clearly established from available deep link sources and formal CFR citations are not available.

EFSA

  • Notes: No specific EFSA numeric ADI data found from authoritative deep links.

JECFA

  • Notes: JECFA evaluation indicates no safety concern without specifying numeric ADI or year on the d deep link.
  • Adi Display: No safety concern at current intake levels when used as flavoring agent

Sources

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