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Pharma Solutions Chemistry of METHOCEL™
www.pharma.dupont.comCellulose Ethers - A Technical Review Pharma Solutions Nutrition & Biosciences. Nutrition & Biosciences Chemistry of METHOCEL™ Cellulose Ethers METHOCEL™ cellulose ether products are available in two basic types: methylcellulose and hydroxypropyl methylcellulose.
formulating elegant liquid and semisolid drug products
www.ashland.comis a cellulose ether, but it differs in that it is nonionic and its solutions are unaffected by cations and, thus, less affected by pH changes and more tolerant of the presence of anions and organic co-solvents. It also differs from other cellulose ethers, such as Klucel ™ hydroxypropylcellulose (HPC) and Benecel