What is 2-hydroxy-5-methylacetophenone?
2-hydroxy-5-methylacetophenone, identified by CAS Number 1450-72-2, is an organic aromatic compound belonging to the acetophenone family of chemicals. It is a solid or semi-solid substance with a molecular structure consisting of a benzene ring with three substituents: a hydroxyl group (-OH), a methyl group (-CH3), and an acetyl group (-COCH3). This compound is synthetically manufactured for use as a flavoring agent in the food industry.
Common Uses
This additive functions as a flavoring agent or flavoring adjuvant in food products. It is employed in small quantities to contribute specific aromatic and taste characteristics to beverages, confectionery, baked goods, and other processed foods. The compound's acetophenone-derived structure provides distinctive sensory notes that flavor manufacturers utilize to achieve desired taste profiles. Like other synthetic flavoring compounds, it is used at levels significantly below those that would raise safety concerns, typically in the parts per million (ppm) range.
Safety Assessment
The safety profile of 2-hydroxy-5-methylacetophenone is characterized by limited but not alarming data. According to FDA records, there have been zero adverse events reported in connection with this additive. Additionally, no recalls involving this substance have been issued by the FDA, indicating no documented contamination or safety incidents in commercial food supplies.
However, it should be noted that this additive does not carry GRAS (Generally Recognized as Safe) status from the FDA, meaning it has not undergone the formal GRAS determination process. This does not necessarily indicate a safety concern; rather, it reflects that the substance may not have been submitted for GRAS review or that comprehensive safety data meeting GRAS criteria was not available at the time of evaluation. The absence of adverse events despite its use suggests acceptable safety margins at typical usage levels.
Toxicological data on this specific compound is limited in the public domain. Safety assessment would typically consider acute toxicity, potential for bioaccumulation, metabolic pathways, and any organ-specific effects. The minimal usage levels in food applications generally support a favorable safety profile, as flavoring agents are used in extremely small quantities.
Regulatory Status
2-hydroxy-5-methylacetophenone's regulatory status varies by jurisdiction. In the United States, while it is not GRAS-affirmed, it may be permitted in food under FDA regulations as a flavoring agent if used within acceptable parameters and properly declared on ingredient labels. The compound is not banned or prohibited in major food-regulating markets.
Other countries may have different regulatory frameworks. The European Food Safety Authority (EFSA) maintains separate approval processes for flavoring substances in the EU. Manufacturers using this additive must comply with local regulations regarding flavoring agents, which typically include limitations on concentration and specific food applications.
Key Studies
Published scientific literature specifically addressing 2-hydroxy-5-methylacetophenone is sparse, which is typical for specialized synthetic flavoring compounds used in small quantities. Most data relevant to safety assessment would be proprietary information held by manufacturers or submitted confidentially to regulatory agencies. General toxicological principles applied to structurally similar acetophenone derivatives inform risk assessment approaches.
The absence of adverse event reports and recalls provides observational evidence of safe use in commercial applications. Additional safety data may exist in unpublished manufacturer submissions to regulatory authorities. For researchers or manufacturers seeking comprehensive toxicological information, direct contact with relevant regulatory agencies or chemical suppliers may yield proprietary safety dossiers.