Curd Soap.

A soap made with soda and a purified animal fat consisting principally of Stearin.

Characters and Tests. - White, or with a very light greyish tint; dry, nearly inodorous; horny and pulverizable when kept in dry warm air. Easily moulded when heated, soluble in rectified spirit; soluble also in hot water, the solution being neutral or only slightly alkaline to test-paper. It does not impart a greasy stain to paper.