Products Preservatives can be found in liquid, semi-solid and solid pharmaceuticals. They are also used for food and cosmetics. Structure and properties Preservatives belong to various chemical groups. These include, for example: Acids and their salts Benzoic acid derivatives, 4-hydroxybenzoic acid derivatives. Quaternary ammonium compounds Alcohols Phenols Preservatives can be of natural and synthetic origin. … Preservative
Definition On the one hand, drugs contain the active ingredients that mediate the pharmacological effects. On the other hand, they consist of excipients, which are used for the production or to support and regulate the drug effect. Placebos, which consist only of excipients and contain no active ingredients, are an exception. Excipients can be of … Auxiliary Materials
Products Phenoxyethanol is used as an excipient mainly in semi-solid medicines, for example in creams and lotions. Structure and properties Phenoxyethanol (C8H10O2, Mr = 138.2 g/mol) exists as a colorless, weakly viscous liquid with a slightly aromatic odor of roses and is sparingly soluble in water. It is an aromatic ether and a primary alcohol. … Phenoxyethanol
