Stearic Acid 1801, Alternative Names: Octadecanoic Acid, Stearic Acid. It is a high-grade satura ted fatty acid. The pure product appears as glossy white soft flakes, with a relative density of 0.9408 (at 20°C), a melting point ranging from 69°C to 70°C, a boiling point of 383°C, and a refractive index of 1.4299 (at 80°C). The industrial-grade product is a white or slightly yellow granular, which is a mixture of stearic acid and palmitic acid, containing a small amount of oleic acid and a faint beef tallow-like odor. It is very slightly soluble in cold water, easily soluble in benzene, toluene, chloroform, carbon tetrachloride, carbon disulfide, amyl acetate, etc., and also soluble in ethanol and acetone.
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