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Stearic Acid Excipient | Uses, Suppliers, and Specifications

Stearic Acid is Octadecanoic acid (C18H36O2), a C18 fatty acid obtained by the hydrolysis of fat or hydrogenation of edible vegetable oil fractions. In the USP-NF, Stearic acid is described as a mixture of stearic acid and palmitic acid, the content of stearic acid being not less than 40%. It is supplied as a hard, white or faintly yellow-coloured crystalline solid or powder, with a slight lipid odour.

Pharmacopoeial Compliance: USP-NF; Ph.Eur; B.P; J.P; I.P

Synonyms and Trade Names: Stearic Acid; Cetylacetic Acid; 1-Heptadecanecarboxylic Acid; Pearl Steric; E570; Pristerene®; Tego-Stearic®; Crodacid®; Cristal® G; Emersol®

Uses and Applications: Tablet and Capsule Lubricant; Emulsifying Agent; and Solubilising Agent

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