Products Polyvinyl alcohol is used as an excipient in many drugs, especially in film-coated tablets. Structure and properties Polyvinyl alcohol exists as a yellowish white and odorless powder or as translucent granules and is soluble in water. Different types are distinguished. The substance is obtained by polymerization of vinyl acetate followed by partial or almost … Polyvinyl Alcohol
Products Copovidone is found as an excipient in drugs, mainly in tablets. Not to be confused with crospovidone. Structure and properties Copovidone is a copolymer of 1-ethenylpyrrolidone-2-one and ethenyl acetate in the ratio 3:2 (m/m). It exists as a white to yellowish white hygroscopic powder or as a leaflet and is readily soluble in water. … Copovidone
Products Methyl cellulose is found in pharmaceuticals as an excipient, for example in tablets. Structure and properties Methyl cellulose is a partially -methylated cellulose. It is a methyl ether. It exists as a white, yellowish-white to grayish-white powder that is hygroscopic when dried or as granules and is practically insoluble in hot water. Methyl cellulose … Methylcellulose