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 Chlorobutanol is used as an excipient in pharmaceuticals. Structure and properties Chlorobutanol (C4H7Cl3O, Mr = 177.5 g/mol) exists as a white, crystalline and easily sublimable powder or as colorless crystals and is sparingly soluble in water. The pharmacopoeia defines anhydrous chlorobutanol and chlorobutanol hemihydrate (- 0.5 H2O). Effects Chlorobutanol (ATC A04AD04) has antibacterial, antifungal, … Chlorobutanol
