Formaldehyde (E240) – what is it?

Formaldehyde, also known as methanoate, is an organic chemical compound with the formula HCOOH. It is the simplest aldehyde, and one of the simplest acidic forms of carboxylic acid. It occurs naturally in plants, especially in fruits and some vegetables, but can also be produced synthetically.

In the food industry, it is used as a preservative and acidity regulator to prolong the shelf life of food products.

Properties of formic aldehyde (E240)

Formaldehyde occurs as a colorless or easily volatile liquid with a characteristic odor. It is soluble in water and many other organic solvents. It has irritating properties to the skin, eyes and respiratory tract in high concentrations.

Uses of formic aldehyde (E240)

Formaldehyde is mainly used as a preservative in the food industry, especially in products such as baked goods, processed meats, fruit juices, jams and pickles. The additive helps prevent the growth of mold, yeast and bacteria, which prolongs the shelf life of food.

Where to buy formic aldehyde (E240)?

Formaldehyde (E240) is available in grocery stores, both stationary and online, that offer ingredients for homemade food preparations. It can also be found in chemical stores that supply chemicals to the food industry.

Formaldehyde (E240) and its functions in food

Formaldehyde plays a key role in keeping food fresh and safe by preventing the growth of microorganisms. Through its use, the shelf life of many food products can be extended, helping to reduce food waste and improve food safety.