AMYL SALICYLATE
Amyl salicylate is a synthetic organic ester with a floral and sweet aroma that is used as a flavouring and fragrance ingredient in select consumer products such as foods and beverages where permitted, and in perfumery and cosmetic formulations for its olfactory contributions.
What It Is
Amyl salicylate is a chemical compound that belongs to the class of organic esters derived from salicylic acid and an amyl (pentyl) alcohol moiety. It is identified by the Chemical Abstracts Service (CAS) registry number 2050-08-0, and it appears in scientific and industrial data sources under a variety of alternative names including pentyl salicylate and pentyl 2-hydroxybenzoate. These nomenclature forms reflect its underlying structure as the ester of salicylic acid and a pentyl alcohol group. In technical applications, this compound is recognized for its olfactory properties rather than as a nutrient, colorant, or preservative, and it is categorized by manufacturers and datasheets as a flavour and fragrance agent. Its floral, sweet, and herbaceous sensory profile makes it useful in formulations that seek such aromatic characteristics. The uses of amyl salicylate encompass perfumery, flavours in food products and beverages, and other consumer goods where scent or taste enhancement is desired. Regulatory inventories such as the U.S. Food and Drug Administration’s Substances Added to Food inventory indicate its presence on flavouring lists, though inclusion in such inventories does not equate to an explicit food additive approval by FDA itself. This distinction is often relevant when assessing regulatory status and permitted uses of food ingredients internationally. (Content compiled from available CAS registry data and flavour usage sources.)
How It Is Made
The production of amyl salicylate in industrial contexts generally involves a chemical esterification process between salicylic acid and a pentyl alcohol in the presence of an acid catalyst. In such esterification reactions, the carboxyl group of salicylic acid reacts with the hydroxyl group of pentyl alcohol, forming the corresponding ester (amyl salicylate) and water as a byproduct. This method of synthesis is a typical route for producing aromatic esters used in flavour and fragrance chemistry. After reaction and phase separation, the crude ester may be purified through distillation or other purification steps to achieve the levels of purity required for flavour or fragrance applications. While the specifics of industrial manufacturing can vary among producers, the general principle of ester formation under acid-catalyzed conditions remains consistent with the typical chemistry of ester synthesis. The result is a substance that is then characterized and tested for purity and sensory properties before use in formulation. The physical form of amyl salicylate is typically a clear, colourless liquid at ambient temperatures, and analysts use multiple techniques to confirm its identity and consistency, including chromatographic and spectroscopic methods. (Based on general chemical synthesis principles and industry practice for ester production relevant to flavour-fragrance chemicals.)
Why It Is Used In Food
Amyl salicylate is incorporated into certain food and beverage formulations primarily for its sensory attributes rather than for nutritional or preservative functions. In flavour chemistry, specific molecules are selected to contribute nuanced aroma and taste characteristics that align with consumer expectations for particular products. The floral, sweet, and herbaceous notes associated with amyl salicylate can help create or enhance profiles in baked goods, confectionery products, fruit-flavoured beverages, and other items where a gentle floral nuance is desirable. Because human perception of flavour depends on the interactions of multiple volatile molecules, amyl salicylate is often used in combination with other flavouring agents to achieve a complex sensory experience. It may be particularly useful when formulators want to evoke associations with floral or botanical flavours without introducing actual botanical extracts that could vary in composition or cost. When used in regulated food applications, inclusion of amyl salicylate is subject to compliance with local and national laws that govern flavouring agents and additives. Where inventories such as the FDA Substances Added to Food list document its presence, formulators use such resources alongside regulatory consultation to determine whether, how and at what levels it can be included in food products. The use of amyl salicylate is thus rooted in its capacity to contribute positively to flavour perception while fitting within existing regulatory frameworks that oversee additives in food and beverages.
Adi Example Calculation
Because an official acceptable daily intake (ADI) value for amyl salicylate is not clearly identifiable in the available authoritative food additive evaluation resources, we cannot provide an ADI-based calculation with specific numeric values. In general terms, however, when regulators establish an ADI for a flavouring compound, a hypothetical illustration would proceed as follows: if a flavouring agent had an ADI of X mg/kg bw/day, then for an individual with a body weight of 60 kg, the hypothetical maximum daily intake would be calculated by multiplying the ADI by the body weight (X mg/kg bw/day times 60 kg). This hypothetical example is not specific to amyl salicylate, and it is provided solely to explain the principle of an ADI calculation. Because authoritative ADIs are determined based on extensive toxicological data and regulatory review, actual ADI values would only be applied if published in official evaluation documents. In the case of amyl salicylate, the lack of a clearly published numeric ADI in widely accessible summaries means that such an example remains conceptual rather than real, and one should not infer a specific safe intake level from it. The key takeaway is that ADIs, when available from regulators, are meant to guide risk assessment and not to serve as consumption recommendations.(FAOHome
Safety And Health Research
Safety and health considerations for any flavouring or fragrance ingredient such as amyl salicylate are grounded in toxicological assessment of exposure relative to known hazard data and the nature of consumer contact. Laboratory data on chemical properties and toxicology provide insights into potential effects at varying levels of exposure, and regulators assess such data to inform guidelines and recommendations. For amyl salicylate, toxicological studies documented in chemical safety datasheets indicate irritation potential and other hazard classifications relevant to industrial handling, such as skin irritation and aquatic toxicity. These hazard identifications do not translate directly into food safety assessments, as food exposure occurs at much lower levels and through ingestion rather than dermal contact. Nonetheless, the broader safety evaluation of flavouring agents encompasses considerations such as acute toxicity, genotoxicity, and metabolic fate. In general, esters that are metabolized to common endogenous or dietary compounds may be seen as having lower risk at typical flavour use levels, but each compound’s safety profile is reviewed individually. International bodies like JECFA and regional authorities compile data from a range of studies to derive acceptable intake estimates where appropriate, and they publish findings in scientific reports. As of the latest review of publicly accessible JECFA and regulatory databases, specific summary evaluations for amyl salicylate in the context of food additive safety have not been prominently featured in the available “Specifications for Flavourings” database, suggesting that detailed food additive safety evaluations for this compound may not be widely available in public authoritative sources. In practice, article and database listings from flavour industry references and regulatory inventories are used in combination with internal safety assessments by manufacturers to guide responsible use of flavouring substances within products, taking into account consumer exposure levels and existing safety data from toxicological studies.
Regulatory Status Worldwide
The regulatory status of amyl salicylate varies by jurisdiction, reflecting the differences in how flavouring agents and food additives are classified and reviewed. In the United States, amyl salicylate is listed in the FDA Substances Added to Food inventory, which documents chemicals that have been reported as used in food, along with relevant identifiers such as CAS numbers. However, inclusion in this inventory does not itself signify FDA approval or confer an established safe status by regulation; rather, it indicates that the substance has been registered in the context of food formulation information. Regulatory frameworks governing food additives and flavouring agents in the U.S. include Title 21 of the Code of Federal Regulations (CFR) and other specific provisions, and approval for use as a direct additive in foods generally requires a defined regulation or recognized status such as Generally Recognized As Safe (GRAS). In the European Union, flavouring substances are regulated under separate flavouring regulations that assess chemical identity, purity, and safety, and allow specific compounds to be used within defined conditions; detailed flavouring inventories and specifications are maintained by EU authorities. Internationally, the Joint FAO/WHO Expert Committee on Food Additives (JECFA) develops specifications and safety evaluations for flavouring agents and additives, though specific information on amyl salicylate’s evaluation by JECFA is not readily available in public summary listings as of the latest database access. National regulations across other regions may also address the use of flavouring agents and define permitted substances and maximum levels, and food manufacturers typically consult regional guidance to ensure that ingredients like amyl salicylate are included in compliance with local laws. Professionals engaged in food and beverage formulation use regulatory databases and authoritative resources to interpret how an ingredient is treated within each market’s regulatory framework.
Taste And Functional Properties
From a sensory standpoint, amyl salicylate is recognized for its distinct floral and sweet character, often described in perfumery and flavour contexts as having soft herbaceous and slightly balsamic overtones. These sensory properties make it a valuable contributor to complex aroma profiles that combine fruit, floral, and green notes. Unlike basic taste modalities (sweet, sour, salty, bitter, umami), esters such as amyl salicylate influence the flavour experience primarily through their volatile aromatic properties, which are perceived retronasally during consumption or sniffing. Functionally in formulation, amyl salicylate is notable for its relatively low volatility compared with lighter esters, which means it can help anchor or extend the perception of other, more volatile aroma components. This characteristic renders it useful not only in food flavourings but also in perfumery and cosmetic fragrances, where lasting scent profile is an objective. In terms of solubility and formulation behaviour, amyl salicylate is insoluble in water but readily dissolves in organic solvents and oil phases, which reflects its nonpolar ester structure. This solubility profile influences the way it is blended into different matrices; for example, in an aqueous beverage, it would typically be included as part of an oil phase or encapsulated to facilitate even distribution and stable sensory expression. Temperature and pH can affect the stability and perception of aromatic esters, and formulators generally evaluate such parameters to ensure that the desired flavour characteristics are maintained through processing and shelf life. Overall, the sensory impact and functional behaviour of amyl salicylate are key drivers in its selection for flavour and fragrance applications where a floral, rich character is sought.
Acceptable Daily Intake Explained
An acceptable daily intake (ADI) is a safety benchmark that regulators sometimes establish for food additives and flavouring agents, representing an estimate of the amount of a substance that can be ingested daily over a lifetime without appreciable health risk. ADIs are typically expressed in terms of milligrams of the substance per kilogram of body weight per day (mg/kg bw/day) and are derived based on toxicological studies that identify thresholds of effect in animal models. For many flavouring agents, including those with limited public safety evaluations, specific ADIs may not be established in the major regulatory databases or accessible public summaries. In the case of amyl salicylate, there is no widely d ADI in the public sections of food additive evaluation databases such as the FAO/WHO JECFA flavouring specifications, and authoritative numeric values for an ADI are not readily available in the primary regulatory listings reviewed here. Consequently, consumers and formulators should understand that an ADI, when established, is not a recommended level of consumption but rather a conservative upper limit designed for risk assessment purposes. Without a definitive ADI published in authoritative sources, the narrative is that regulatory bodies and flavour industry safety panels may take into account existing toxicological data to determine appropriate use levels in food and beverage products, typically at low concentrations consistent with flavour contribution rather than nutritional role. This approach aligns with the fact that many flavouring substances are employed at trace levels that contribute to sensory properties without meaningfully contributing to daily intake volumes. In the absence of a specific ADI value for amyl salicylate in authoritative public references, the concept remains useful for framing how safety evaluations are approached for food additives and flavourings in general.(FAOHome
Comparison With Similar Additives
Amyl salicylate can be compared with other ester-based flavouring agents that share similar sensory profiles and functional roles. For example, ethyl salicylate is another related ester that exhibits sweet and floral aromatic characteristics and is used in flavour and fragrance contexts where a gentle, fruity-floral nuance is desired. Both compounds derive from salicylic acid esters, but differences in the alcohol moiety (ethyl versus pentyl) influence volatility, olfactory perception, and formulation behaviour. Another comparator is benzyl acetate, an ester that imparts a sweet, floral, and slightly fruity aroma, which is often employed to contribute a ripe fruit or floral dimension in confectionery and beverage flavours. These ester-type flavouring agents are used in combination with other compounds to build layered sensory experiences in products where floral, fruity, or sweet nuances are targeted. In perfumery, compounds such as linalool, a terpene alcohol with floral-woody notes, may be blended with amyl salicylate to achieve complex bouquets in fine fragrance compositions. While amyl salicylate contributes floral character and fixative qualities, linalool adds a different floral dimension with citrusy undertones, illustrating how multiple flavour and fragrance chemicals work together to achieve desired sensory profiles. The comparison among these additives highlights that while they share application areas and some sensory qualities, each has a unique profile that influences its selection and use in specific products. Understanding these differences helps formulators choose the right combination of flavouring agents to meet sensory objectives and regulatory requirements. Actual intake levels and safety assessments for each additive are determined through specific toxicological evaluations and regulatory review, and those evaluations differ among compounds and jurisdictions.
Common Food Applications Narrative
Amyl salicylate finds its place in diverse food-related applications where its aromatic properties contribute to the overall sensory experience. In modern food formulation, flavour chemists and product developers often blend multiple volatile compounds to construct complex aromatic profiles that appeal to targeted consumer preferences. Within this context, amyl salicylate is used as part of the palette of flavour agents to evoke gentle floral or botanical notes that complement fruit, cream, and other base flavours. For example, in baked goods such as cookies and pastries, the addition of a small amount of a floral ester can enrich the aroma perceived at the moment of consumption, enhancing the product’s appeal without dominating the core flavour. Similarly, in confectionery items such as candies and lozenges, amyl salicylate’s sweet and floral nuances can soften and round out sharper fruit notes, contributing to a smoother overall profile. Beverage formulators also look to specific aromatic esters to refine the bouquet of fruit-flavoured drinks or specialty teas, crafting nuanced profiles that rise gently above simple sweetness. Because food flavour perception is a multisensory experience that integrates taste and smell, amyl salicylate’s role in these applications is to support and elevate the desired aromatic qualities that resonate with consumers. In fruit-flavoured dairy products, gelatins, and even functional beverages, the careful use of florally inclined esters like amyl salicylate helps achieve balanced and memorable aromatic impressions. As with any flavour ingredient, its inclusion depends on regulatory allowances and recommended practices for flavouring agents in the markets where the product is sold, and food developers reference authoritative inventories and safety assessments to guide their choices.
Safety & Regulations
FDA
- Notes: Inclusion in the Substances Added to Food inventory does not indicate formal FDA approval; explicit regulatory status is unclear based on available sources.
EFSA
- Notes: No clear EFSA E-number or ADI identified in available public authoritative sources.
JECFA
- Notes: Specific JECFA evaluation for this CAS was not found; likely grouped with similar esters but not explicitly identified.(
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