However, it is essential to use sodium metabisulfite within regulated limits, as excessive consumption can pose health risks. Some individuals may experience allergic reactions or sensitivities to sulfites, leading to symptoms such as headaches, respiratory issues, and skin reactions. Consequently, regulatory agencies worldwide have set allowable limits for sulfite levels in food products. Labels on packaged goods must clearly state the presence of sulfites, ensuring consumers are informed about their content.

Moreover, formic acid has gained prominence in agricultural chemistry, where it is used as a preservative for silage and as an insecticide. The transition from acetic acid to formic acid can potentially reduce reliance on synthetic chemicals and promote eco-friendlier alternatives.

Potassium sorbate is the potassium salt of sorbic acid with chemical formula CH₃CH=CH−CH=CH−CO₂K. It is a white salt that is very soluble in water. It is primarily used as a food preservative. Potassium sorbate is effective in a variety of applications including food, wine, and personal-care products.

When purchasing phosphoric acid, it is crucial for buyers to consider the quality and purity of the product. Industrial-grade phosphoric acid is typically available in concentrations ranging from food-grade to technical-grade, depending on the intended application. Buyers must also ensure that they source their products from reputable suppliers who adhere to safety and environmental regulations. This is particularly important, as improper handling and storage of phosphoric acid can pose health and safety risks.