(+/-)-trans- And Cis-5-(2,2-dimethylcyclopropyl)-3-methyl-2-pentenal

This flavoring agent is a synthetic organic compound characterized by a cyclopropyl ring structure with aldehyde functionality. The compound exists as a mixture of stereoisomers (trans and cis forms), which are variants with identical molecular composition but different spatial arrangements. The cyclopropyl moiety—a three-membered carbon ring—distinguishes this compound structurally and contributes to its sensory properties. With CAS Number 877-60-1, it represents one of many synthetic fragrance and flavoring chemicals developed for use in the food industry.

This additive functions as a flavoring agent in food and beverage applications where fruity, woody, or herbal flavor notes are desired. Synthetic flavoring compounds like this one are typically used in processed foods, beverages, confectionery, and dairy products at very low concentrations—typically measured in parts per million (ppm). The specific sensory profile provided by this compound makes it useful in flavor formulations requiring complex fruity-woody characteristics. As with most synthetic flavorings, the actual quantity used in any food product is minimal, with the goal being to enhance or modify perceived taste rather than provide nutritional value.

According to FDA records, there have been zero reported adverse events and zero recalls associated with this additive. These safety metrics are significant, as they indicate no documented consumer harm linked to its use. However, the absence of adverse event reports does not necessarily indicate comprehensive safety evaluation. The compound's status as non-GRAS means it has not undergone the specific FDA GRAS affirmation process, which typically involves submission of safety data by manufacturers and independent expert panel review.

The lack of GRAS status may reflect several factors: limited submission for review, insufficient toxicological data package, or manufacturer choice to market the ingredient without GRAS notification. Non-GRAS status does not automatically indicate unsafety; rather, it means the ingredient operates in a different regulatory framework or simply has not completed the GRAS petition process.

In the United States, this ingredient operates under FDA regulations for food additives and flavorings. While not GRAS-affirmed, it may be used in food under FDA regulations if the manufacturer has submitted appropriate safety data or if it falls within permitted use categories. The European Union and other regulatory bodies may have different approval statuses; this additive may be permitted under EFSA (European Food Safety Authority) regulations or restricted in certain jurisdictions.

Manufacturers using this flavoring ingredient are responsible for ensuring compliance with all applicable regulations in markets where products containing it are sold. Labeling requirements vary by country and product category, with some jurisdictions requiring disclosure of synthetic flavoring ingredients while others permit generic labeling such as "natural and artificial flavors" or simply "flavoring."

Limited published scientific literature exists specifically on this particular stereoisomeric mixture. Most safety evaluation of synthetic flavoring compounds relies on structural analogs, predictive toxicology models, and general principles established for similar chemical classes. The flavor and fragrance industry typically conducts proprietary safety assessments and may submit data to regulatory bodies without full public disclosure.

Studies on related cyclopropyl compounds and aldehyde-containing flavorings provide context for understanding potential safety profiles. General toxicological principles suggest that at the extremely low concentrations used in foods, this compound is unlikely to present acute toxicity concerns. Chronic safety assessment would typically evaluate potential effects on organ systems through repeated-dose studies in animal models.