BENZYL METHOXYETHYL ACETAL

CAS: 7492-39-9 FLAVORING AGENT OR ADJUVANT

BENZYL METHOXYETHYL ACETAL is a synthetic flavoring agent or adjuvant identified by CAS Number 7492-39-9 and listed in the FDA Substances Added to Food inventory under a synthetic flavoring substances regulation.

What It Is

BENZYL METHOXYETHYL ACETAL is an organic acetal compound used as a food flavoring agent or adjuvant based on its inclusion in flavoring substance inventories and regulatory listings. Acetals of this general class are esters of aldehydes and alcohol moieties, and in this case, the benzyl and methoxyethyl structure contributes to a distinct mild, sweet, green-fruity odor profile reported in technical descriptions. The compound appears as a colorless liquid under typical conditions and is nominally soluble in organic solvents. In food applications, this substance is used for its sensory impact rather than nutritional function. It is catalogued in U.S. regulatory food additive listings where synthetic flavoring agents and adjuvants that may be safely used in food under specified conditions are enumerated. The structural diversity of acetals like this one makes them applicable in flavor formulation when a certain aroma or sensory effect is desired, often in combination with other flavoring substances.

How It Is Made

The manufacturing of BENZYL METHOXYETHYL ACETAL involves a condensation reaction typical of acetal synthesis, where an aldehyde or equivalent precursor reacts with an alcohol under catalytic conditions to form the acetal linkage. Specifically, an aldehyde functionality can be reacted with a benzyl derivative and a 2-methoxyethanol component under controlled acidic conditions to yield the desired acetal structure. Industrial preparation of such flavoring agents follows Good Manufacturing Practice (GMP) standards to ensure product consistency and purity, and processes are designed to minimize residual reactants and byproducts. Purification steps such as distillation or solvent extraction are commonly employed to achieve food-grade quality. Although production details may vary across manufacturers, the underlying chemistry reflects general principles of organic synthesis for acetals. Regulatory specifications for flavoring compounds often require that these processing steps and resultant impurities meet food-safety criteria, ensuring that the final substance is appropriate for its intended technical use.

Common Misconceptions

A common misconception about flavoring agents like BENZYL METHOXYETHYL ACETAL is that their presence in a food product implies a significant contribution to taste intensity or nutritional value. In reality, these substances function at very low concentrations and primarily affect aroma rather than substantive flavor in isolation. Additionally, being listed in regulatory inventories does not mean unrestricted use; rather, it means their use is governed by conditions that emphasize minimal necessary quantities and adherence to good manufacturing practice. Another misconception is equating regulatory presence with extensive human exposure data; for many synthetic flavoring agents, safety assessments rely on limited data sets supplemented with comparisons to structural analogs and expert panel evaluations.

Why It Is Used In Food

Food scientists and flavor formulators use BENZYL METHOXYETHYL ACETAL because of its ability to impart a specific aromatic character, often described as mild and fruity, to food products at very low concentrations. The role of a flavoring agent or adjuvant is not to provide nutrition, but to influence the sensory profile of foods and beverages in a way that enhances consumer acceptance or complements other flavor notes. Synthetic flavoring agents like this one allow for precise control of flavor quality and intensity, providing consistency across batches and supply chains that natural extracts alone cannot always match. In addition, adjuvant substances support the performance of primary flavor compounds by modifying volatility, mouthfeel, or release kinetics in complex food matrices. The use of such compounds must follow regulatory allowances, which specify that they be used in the minimum quantity necessary to achieve the intended effect, consistent with good manufacturing practice as outlined in relevant food additive regulations.

Adi Example Calculation

Illustratively, suppose a hypothetical flavoring agent has a numeric ADI of X mg per kg of body weight per day. For an individual weighing 70 kg, the total theoretical allowable daily intake would be (70 kg times X mg/kg), representing the cumulative quantity that could be consumed across all food sources without exceeding the ADI. For substances like BENZYL METHOXYETHYL ACETAL for which a specific numeric ADI has not been established in authoritative sources, this example serves to explain how ADIs are applied in risk assessment rather than to suggest an actual intake level. Regulators emphasize that actual exposure from food flavorings is typically many orders of magnitude below levels that would approach any safety threshold.

Safety And Health Research

Regulatory safety evaluations for flavoring agents focus on hazard identification and exposure assessment. Toxicological endpoints commonly reviewed include acute and chronic toxicity, genotoxicity, and metabolic processing. For many synthetic flavoring agents, data are compiled by expert panels to determine whether there is an adequate margin of safety for intended uses at low levels. Where available, reviews look at structural analogs and metabolic pathways to assess whether a substance raises concerns for adverse health effects. Flavoring substances included in regulatory inventories have undergone some level of review to support their safe use in foods when applied according to regulatory conditions. It is important to note that available safety data may be limited for certain less common compounds, and regulatory status reflects a determination based on the totality of evidence rather than an indication of health benefits or risks beyond the context of intended use.

Regulatory Status Worldwide

Within the United States, BENZYL METHOXYETHYL ACETAL is listed in the FDA Substances Added to Food inventory and is associated with section 172.515 of Title 21 of the Code of Federal Regulations, which covers synthetic flavoring substances and adjuvants that may be safely used in food under specified conditions of good manufacturing practice. This means the substance is recognized in regulatory listings for its intended technical function as a flavoring agent or adjuvant when used appropriately. In other global jurisdictions, regulatory approaches may vary, with some food safety authorities requiring specific evaluations for substances used as flavorings. At present, there is no confirmed designation of an E-number in the European Union for this specific compound, and JECFA listings are indicated by flavoring reference numbers that provide specifications for international evaluation. Food regulatory bodies emphasize that flavoring agents are used in the minimum quantity necessary for technical effect, and such allowances are established based on review of available safety and toxicological data. Formal regulatory evaluations by bodies like EFSA or JECFA provide frameworks that national authorities may reference, even when specific limits or conditions have not been codified in every region.

Taste And Functional Properties

BENZYL METHOXYETHYL ACETAL contributes sensory notes that are often characterized by a mild, sweet, green-fruity aroma, making it suitable for enhancing or rounding out flavor profiles in foods and beverages. The structural features of the molecule influence its volatility and solubility, making it compatible with flavor delivery in aqueous and lipid phases depending on formulation. Functionally, flavoring agents like this one do not significantly contribute to nutritional content; rather, they serve perceptual purposes. Their performance in food systems can be influenced by pH, temperature, and interactions with other ingredients, so formulators consider these factors when selecting appropriate compounds. As a synthetic substance, it is typically used at low concentrations, and its inclusion in a product reflects its ability to provide consistent flavor characteristics over time and across production scales.

Acceptable Daily Intake Explained

An Acceptable Daily Intake (ADI) is a numerical estimate of the quantity of a substance that can be consumed daily over a lifetime without appreciable health risk, based on available toxicological data and safety factors. For many flavoring agents, specific ADIs may not be established due to low expected exposure from food use and available evidence indicating a wide margin of safety at typical use levels. In regulatory contexts, the ADI concept helps risk assessors and regulators ensure that aggregate exposure from all food sources does not approach levels of concern. For substances without a formally established numeric ADI, regulators rely on documented safe use history and application of good manufacturing practice to manage potential exposure. It is not a recommended intake but a safety benchmark derived from toxicological evaluations and conservative safety factors applied to animal or other relevant data.

Comparison With Similar Additives

When compared with other synthetic flavoring agents such as benzyl acetate or ethyl maltol, BENZYL METHOXYETHYL ACETAL shares the common purpose of modifying sensory perception in food without providing nutritional contribution. Benzyl acetate is known for its sweet, floral aroma and is used in fruit-flavored products, while ethyl maltol imparts a sweet, caramel-like note. Each compound’s volatility, solubility, and odor profile differ, influencing how they are selected in flavor formulations. Flavor chemists consider how these compounds interact with food matrices and other additives to achieve balanced sensory outcomes. Such comparisons underscore that flavoring agents are chosen for specific sensory roles rather than functional nutritional effects, and regulatory status for each compound reflects evaluation of safety data appropriate to intended use.

Common Food Applications Narrative

In a broad range of food products, flavoring agents such as BENZYL METHOXYETHYL ACETAL are incorporated to achieve or enhance desired sensory experiences without altering the core nutritional profile. For example, this type of compound may be used in beverage formulations where a green-fruity note is sought, in confectionery products to complement sweet bases, or in baked goods where subtle aromatic complexity can support other flavor components. Its use extends to dairy analogs, ready-to-drink flavored beverages, and certain snack products where sensory nuance is important. When formulators select additives like this one, they evaluate how the substance behaves within the specific matrix, accounting for volatility and interaction with sugars, fats, and other flavor compounds. Because the compound functions at the sensory level rather than as a nutrient, it is typically employed at very low levels that achieve the target aroma without contributing detectable taste or caloric impact.

Industry Use And Labelling Considerations

In the food industry, use of flavoring agents like BENZYL METHOXYETHYL ACETAL must be documented in formulation records, and labeling requirements vary by jurisdiction. Many countries require that flavoring ingredients be identified collectively under terms such as "artificial flavors" on ingredient declarations, while some allow more specific naming if needed. Industry professionals consider regulatory requirements in each market to ensure compliant labeling. Product development teams also weigh consumer expectations regarding natural versus synthetic flavoring agents when deciding which compounds to incorporate. Regulatory definitions of flavoring agents and related substances guide how these ingredients are categorized and presented in ingredient lists, contributing to transparent consumer information while meeting safety standards.

Safety & Regulations

FDA

  • Notes: Included in FDA synthetic flavoring substances listing; specific numeric limits beyond good manufacturing practice are not established in this citation.
  • Regulation: 21 CFR 172.515

EFSA

  • Notes: EFSA E-number and numeric ADI values for this specific compound are not established in authoritative EFSA documents.

JECFA

  • Notes: JECFA numeric ADI and evaluation year for this specific compound are not available in the d sources.

Sources

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