Products Pure benzoic acid is available as an open product in pharmacies and drugstores. It is found in liquid, semi-solid and solid medicines. Structure and properties Benzoic acid (C7H6O2, Mr = 122.1 g/mol) exists as a white, odorless, crystalline powder or as colorless crystals and is sparingly soluble in water. In contrast, it is more … Benzoic Acid
Definition Carboxylic acids are organic acids with the general structure R-COOH (less commonly: R-CO2H). It is composed of a residue, a carbonyl group, and a hydroxyl group. The functional group is called the carboxy group (carboxyl group). Molecules with two or three carboxy groups are called dicarboxylic acids or tricarboxylic acids. An example of a … Carboxylic Acids
Definition Aldehydes are organic compounds with the general structure R-CHO, where R can be aliphatic and aromatic. The functional group consists of a carbonyl group (C=O) with a hydrogen atom attached to its carbon atom. In formaldehyde, R is a hydrogen atom (HCHO). Aldehydes can be obtained, for example, by oxidation of alcohols or by … Aldehydes
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 Amylmetacresol and 2,4-dichlorobenzyl alcohol are commercially available as a combination preparation in the form of lozenges (Strepsils). The drug was approved in many countries in 2009. In the UK, it has been available for decades and is a well-known brand. The name “Strep “sils is derived from strep throat. 2,4-Dichlorobenzyl alcohol is also found … Amylmetacresol and 2,4-Dichlorobenzyl Alcohol
Definition Alcohols are a group of organic compounds with the general chemical structure R-OH. The hydroxyl group (OH) is attached to an aliphatic carbon atom. Aromatic alcohols are called phenols. They are a separate group of substances. Alcohols can be obtained as derivatives of water (H 2 O) in which a hydrogen atom has been … Alcohols
Products Pure benzyl alcohol is available in pharmacies and drugstores. Structure and properties Benzyl alcohol (C7H8O, Mr = 108.1 g/mol) is a primary aromatic alcohol. It exists as a clear, colorless, oily liquid with an aromatic odor that is soluble in water. The melting point is -15.2 °C, and the boiling point is 205 °C. … Benzyl Alcohol
