What is Hept-2-en-1-yl Isovalerate?
Hept-2-en-1-yl isovalerate (CAS Number: 253596-70-2) is a synthetic organic compound belonging to the ester class of flavoring molecules. It consists of a seven-carbon unsaturated alcohol chain (hept-2-en-1-ol) esterified with isovaleric acid (3-methylbutyric acid). This chemical structure creates a volatile aromatic compound designed to provide specific taste and aroma characteristics in food applications.
As a synthetic flavoring agent, hept-2-en-1-yl isovalerate is manufactured through chemical synthesis rather than extracted from natural sources. The compound belongs to a broader category of aliphatic esters commonly used in the flavor industry to create complex taste profiles.
Common Uses
Hept-2-en-1-yl isovalerate functions as a flavoring adjuvant in the food and beverage industry. Its primary application is in creating or enhancing fruity and slightly floral taste notes. Due to its volatile nature, it is typically incorporated into products where these flavor characteristics are desired, such as:
- Confectionery products
- Flavored beverages
- Baked goods
- Dairy products
- Savory snack foods
The compound is used in minimal quantities, as is standard practice with flavoring agents. The actual usage levels depend on the specific food application and the desired intensity of flavor.
Safety Assessment
Hept-2-en-1-yl isovalerate has not generated adverse event reports in FDA databases, and no product recalls have been attributed to this substance. These metrics indicate that the compound has not been associated with consumer health complaints in the U.S. market.
However, the absence of reported adverse events does not constitute formal FDA approval. The compound's GRAS (Generally Recognized as Safe) status has not been established through the FDA's formal GRAS notification process. This means either that safety data have not been submitted for FDA review, or that a determination of GRAS status has not been completed.
Toxicological data for hept-2-en-1-yl isovalerate appears limited in publicly available scientific literature. Like other synthetic esters used as flavoring agents, safety assessment typically considers acute and subchronic toxicity, with particular attention to genotoxicity and systemic effects. The structural category of aliphatic esters generally demonstrates low toxicity at the minute levels used in food flavoring applications.
Regulatory Status
In the United States, hept-2-en-1-yl isovalerate is not listed as a GRAS substance by the FDA. This distinction is important: compounds may be legally used in food under various regulatory pathways, but GRAS status provides the most streamlined regulatory recognition.
The compound may be used under FDA approval as a food additive if such approval has been granted, or it may be subject to other regulatory provisions. Manufacturers using this flavoring are responsible for ensuring compliance with applicable FDA regulations and having adequate safety documentation available.
International regulatory status may vary. Different countries maintain distinct approval lists for food flavorings, and a substance approved in one jurisdiction may have different status elsewhere. The European Union, Japan, and other regulatory bodies maintain separate lists of approved flavoring substances.
Key Studies
Published scientific literature specifically addressing hept-2-en-1-yl isovalerate appears limited in peer-reviewed databases. Most safety assessments of similar synthetic ester flavorings rely on structural analogy and general toxicology principles for compounds in the same chemical class.
Safety evaluation of flavoring esters typically follows frameworks established by organizations such as the Flavor and Extract Manufacturers Association (FEMA) and the Joint FAO/WHO Expert Committee on Food Additives (JECFA). These frameworks use read-across approaches, comparing new compounds to chemically similar, well-studied flavorings.
For regulatory decisions, manufacturers must generate or compile safety data including absorption, distribution, metabolism, and excretion (ADME) studies, as well as toxicity assessments appropriate to the compound's intended use level.