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  • What is hydroxypropyl methylcellulose (HPMC)?
  • K. Deshmukh, ... K. Chidambaram, in Biopolymer Composites in Electronics, 2017 Hydroxypropyl methylcellulose (HPMC) belongs to the group of cellulose ethers in which hydroxyl groups have been substituted with one or more of the three hydroxyl groups present in the cellulose ring (Fig. 3.10 ).
  • Is hydroxypropyl methyl cellulose soluble in water?
  • It is soluble in water and some organic solvents and unsoluble in ethanol. Aqueous solution has a surface activity, the formation of the film after drying, heated and cooled, in turn, from the sol to gel reversible transformation. Hydroxypropyl Methyl Cellulose (HPMC) are water soluble polymers derived from cellulose.
  • What is hydroxypropyl methyl cellulose used for?
  • Hydroxypropyl methyl cellulose is used as an ophthalmic lubricant, an emulsifier and a thickening and suspending agent. It is widely used as an excipient in pharmaceutical formulations. It acts as a food additive. Its eye drops are known as artificial tears, which are used to relieve eye dryness and soreness.
  • What is hydroxypropyl cellulose?
  • 80-120 cP, 2 % in H2O (20 °C) (lit.) ~4,000 cP, 2 % in H2O (20 °C) (lit.) 2,600-5,600 cP, 2 % in H2O (20 °C) (lit.) (Hydroxypropyl)methyl cellulose acts as a thickener for aqueous and non-aqueous systems, is a water retention aid and steric stabilizer, and clear films with grease resistance.