A sweet principle obtained from fats and fixed oils, and containing a small percentage of water.

This is required for preserving some animal poisons. It should bear the following

Characters and Tests. - A clear, colourless fluid, oily to the touch, without odour, of a sweet taste; freely soluble in water and in alcohol. When decomposed by heat it evolves intensely irritating vapours. Specific gravity 1.25. Diluted with six times its volume of distilled water, it gives no precipitate with Chloride of Barium, Nitrate of Silver, Solution of Lime, or with Sulphuretted Hydrogen when previously acidulated with Hydrochloric Acid.