PHARMATOSE 80 M is a white or almost white, crystalline powder freely soluble in water, practically insoluble in ethanol. It is a lactose monohydrate powder conforming to USP - NF, Ph.Eur., JP monographs at time of manufacture. PHARMATOSE 80 M offers over 95% particle size distribution below 315 microns making it well suited for tableting and other pharmaceutical applications requiring fine particle sizes. Its purity, consistency and solubility characteristics make PHARMATOSE 80 M a reliable excipient for direct compression tableting and other processes in pharmaceutical manufacturing.