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 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 As a pure substance, propylene glycol is available in pharmacies and drugstores, among other places. It is contained in many medicines, medical devices and cosmetics, for example in gels, creams, preparations for inhalation, injectables and film-coated tablets. Structure and properties Propylene glycol or propane-1,2-diol (C3H8O2, Mr = 76.1 g/mol) is a racemate. It exists … Propylene Glycol
Products Phenolphthalein has been included in many laxatives in the past, for example in Reguletts tablets (100 mg) in many countries. Sales of the last drug containing phenolphthalein (Paragar Emulsion) will be discontinued in many countries in 2018. Structure and properties Phenolphthalein (C20H14O4, Mr = 318.3 g/mol) exists as a white powder that is practically … Phenolphthalein
