• Chemical Name: Hypromellose K200M.
• Appearance: It is a white to off - white powder.
Properties
• Solubility: It is insoluble in anhydrous ethanol, but it can swell in cold water to form a clear or slightly turbid colloidal solution.
• Other Properties: It has excellent water - solubility and can form clear and viscous solutions in water.
Applications
• Tablet Coating: It is used to coat tablets, which can improve the appearance of tablets, prevent them from being affected by the external environment, and control the release rate of drugs.
• Sustained - release Formulations: In the preparation of sustained - release drugs, it can control the release rate of drugs, so that the drugs can release slowly in the body, maintain the drug concentration in the body for a long time, and improve the efficacy and safety of drugs.
• Granule Binder: It is used as a binder for granules to improve the strength and fluidity of granules, which is conducive to the subsequent processing and molding of drugs.
Specifications and Standards
• Purity: Usually, the purity of pharmaceutical - grade Hypromellose K100M can reach 99%. It also needs to meet relevant pharmacopoeia standards, such as the standards of the Chinese Pharmacopoeia, the USP, etc.
Packaging and Storage
• Packaging: It is usually packaged in 500g/bag, 25kg/drum and other specifications. The packaging materials should have good air - tightness and moisture - resistance to prevent the product from being affected by moisture and other factors.
• Storage: It should be stored in a dry, cool and ventilated place, away from fire and heat sources, and avoid direct sunlight.