Cyclomethicone Excipient | Uses, Suppliers, and Specifications
Cyclomethicone is a generic term for a number of closely-related cyclic dimethyl polysiloxane compounds; principally Octamethylcyclotetrasiloxane (D4, Cyclotetrasiloxane), Cyclotrisiloxane (D3), Cyclopentasiloxane (D5), Cyclohexasiloxane (D6), and Cycloheptasiloxane (D7). They can be described by the general chemical formula, (CH3)2nOnSin where n = 3-7. Cyclomethicone is available as a clear, colourless, volatile liquid.
Synonyms and Trade Names: Cyclomethicone; Cyclomethicone 5, Cyclopentasiloxane; Dimethylcyclopolysiloxane; Cyclomethicone 5; Decamethylcyclopentasiloxane; Dow Corning® 245 Fluid; Dow Corning® 246 Fluid; Dow Corning® 111 Fluid; Dow Corning® ST-Cyclomethicone 5-NF; Liveo® ST-Cyclomethicone 5-NF
Pharmacopoeial Compliance: USP-NF; Ph. Eur; BP
Uses and Applications: Solubilising Agent; Silicone Fluid; Aerosol Carrier; and Volatile Carrier
Chemical Structure & Identifiers
Applications in Pharmaceutical Formulations or Technology
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