Standard white vinegar is a solution that generally contains 4%-7% acetic acid by weight in approximately 93%-96% distilled water. Acetic acid is a common byproduct of fermentation of carbohydrates and it has been used historically for a wide variety of medicinal purposes, including wound treatment, cures for stomachaches, and even the treatment of diabetes before modern treatments were available. Vinegar has been shown to aid in weight loss when consumed with a meal by increasing feelings of satiety. Despite its widespread use, acetic acid has been reported to have several harmful effects associated with its acidity, specifically in the form of esophageal inflammation. Prior reports demonstrate patients who experienced oropharyngeal inflammation and second-degree erosive injury of the esophagus upon ingestion of minute amounts of vinegar. This pro-inflammatory effect of acetic acid in vinegar is of special interest because chronic consumption of vinegar has previously resulted in ulcers and mucosal bleeding along the length of the esophagus. Moreover, acetic acid is known to be a strong eye and skin irritant with sufficient contact resulting in rashes and the formation of thick, callous skin. Acetic acid also has a special affinity for the mucous membrane, which makes it extremely destructive to the upper respiratory tract if exposed. Further, vinegar is used as an alternative medicine treatment in some cultures to treat airway obstructions. Vinegar is often touted as a "cure-for-all" in folklore with usages ranging from treatment of urinary tract infections to constipation. Thus, determination of the acetic acid content in commercial vinegar becomes further imperative considering these widespread cultural implications of using vinegar and the potentially harmful effects associated with elevated concentrations of the ingredient. Especially during the COVID-19 era in which home-based cooking has increased, it is important to be able to quantify and verify the percent composition of acetic acid in store-bought vinegar solutions for safety purposes. In this study, Whole Foods' 365 brand white vinegar, which advertises a 6% acidity by weight in a 500mL glass container, was selected as a proof-of-principle sample.