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
Products Sulfites are added to pharmaceuticals, foods and personal care products as excipients and additives. They can also be naturally present in foods. Even the Romans used sulfur dioxide as a preservative for wine. Structure and properties Sulfites are the salts of sulfurous acid, which is extremely unstable and undetectable in water (H2SO3). Example sodium … Sulfites
Products Thiomerasal has been used as an excipient in pharmaceuticals, especially in liquid dosage forms such as eye drops and vaccines. It is rarely used today because of the potential adverse effects. The substance is also known as thimerosal. Structure and properties Thiomerasal (C9H9HgNaO2S, Mr = 404.8 g/mol) exists as a white crystalline powder and … Thiomersal
Products Boric acid is contained in eye drops as an excipient. In Germany, it belongs to the so-called “questionable prescription drugs” and should be used exclusively for healing waters and buffers in eye drops and for homeopathics (from D4). This is justified by a lack of efficacy and the risk of resorptive poisoning. This requirement … Boric Acid
Products Sorbic acid is contained in many medicinal products as an excipient. This is in liquid, semi-solid as well as solid dosage forms. Structure and properties Sorbic acid (C6H8O2, Mr = 112.1 g/mol) exists as a white crystalline powder that is sparingly soluble in water. It is readily soluble in ethanol 96%. Also used are … Sorbic Acid
Products Sodium benzoate is used as an excipient in pharmaceuticals, mainly in liquid dosage forms. It is also used in food and cosmetics. Structure and properties Sodium benzoate (C7H5NaO2, Mr = 144.1 g/mol) exists as a white, weakly hygroscopic, crystalline or granular powder or as a leaflet and is readily soluble in water. It is … Sodium Benzoate
Products Methyl 4-hydroxybenzoate (methylparaben) is present in many drugs as an excipient, especially in liquid and semisolid dosage forms. Structure and properties Methyl 4-hydroxybenzoate (C8H8O3, Mr = 152.1 g/mol) exists as a white crystalline powder that is very sparingly soluble in water (about 1.8 g per liter at 20°C). The melting point is about 125°C. … Methyl 4-Hydroxybenzoate
Products Potassium sorbate is present in many drugs as an excipient, mainly in liquid and semi-solid dosage forms. Structure and properties Potassium sorbate (C6H7KO2, Mr = 150.2 g/mol) is the potassium salt of sorbic acid, a short-chain unsaturated fatty acid. It exists as a white, odorless powder or granules and is very soluble in water. … Potassium Sorbate
Products Propyl 4-hydroxybenzoate (propylparaben) is used as an excipient in many drugs, especially in liquid and semisolid dosage forms. Structure and properties Propyl 4-hydroxybenzoate (C10H12O3, Mr = 180.2 g/mol) exists as a white crystalline powder and is very slightly soluble in water. The melting point is about 99 °C. Propyl 4-hydroxybenzoate belongs to the paraben … Propyl 4-Hydroxybenzoate
Products Ethyl 4-hydroxybenzoate is mainly used as an excipient in liquid pharmaceuticals. Structure and properties Ethyl 4-hydroxybenzoate (C9H10O3, Mr = 166.2 g/mol) exists as a white crystalline powder or as colorless crystals and is very sparingly soluble in water. Ethyl 4-hydroxybenzoate belongs to the group of parabens. It is the ethyl ester of -hydroxybenzoic acid. … Ethyl 4-Hydroxybenzoate
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
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
