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Ethylparaben(Nipagin A)

The chemical name of ethylparaben is also known as ethyl 4-hydroxybenzoate, which is mainly produced from the esterification of p-hydroxybenzoic acid with ethanol. The appearance of ethylparaben is colorless crystalline or white crystalline powder, with slight fragrance and astringency.
Para-hydroxybenzoate is one of the widely used preservatives, it can inhibit microbial cells of respiratory enzyme system and pass the activity of the enzyme system, and destroy the microbial cell membrane structure, to mold, yeast and bacteria have a wide range of antibacterial effect. Its antibacterial ability is stronger than sorbic acid and benzoic acid, and its antibacterial effect is not affected by ph value, and the effect is good within ph value range of 4 ~ 8. The longer the para-hydroxybenzoate alkyl, the stronger the antibacterial effect.
As a bacteriostatic agent, ethylparaben has a strong inhibitory effect on fungi, which can prevent mold additives. It can be used as a food preservative, but also in the pharmaceutical, leather and other industries. The antibacterial effect on fungi is strong, but the antibacterial effect on bacteria is weak. As antibacterial preservative, it is widely used in liquid preparation and semi-solid preparation, as well as food and cosmetics.
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