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
Products Sodium acetate is found as an excipient in pharmaceuticals, especially in liquid dosage forms such as injectable solutions. It is also added to foods. Structure and properties Sodium acetate is present as sodium acetate trihydrate (C2H3NaO2 – 3 H2O, Mr = 136.1 g/mol) is present, colorless crystals with a slight odor of vinegar, which … Sodium Acetate
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 Acetic acid is available as an aqueous solution in various concentrations in pharmacies and drugstores. Structure and properties Acetic acid (C2H4O2, Mr = 60.1 g/mol) or CH3-COOH is the simplest carboxylic acid after formic acid. It consists of a methyl and carboxyl group. It exists as a pure substance as a clear, volatile, colorless … Acetic Acid
