Nicotinic acid. It is a precursor of the coenzymes NAD and NADP. Widely distributed in nature; appreciable amounts are found in liver , fish, yeast and cereal grains. Dietary deficiency is associated with pellagra. The term “niacin” has also been applied to nicotinamide or to other derivatives exhibiting the biological activity of nicotinic acid. Vitamin (enzyme cofactor).||Appearance: |White crystalline powder||Purity: |99.5-100.5% (Assay by Titration)||Infrared: |Conforms to structure||Melting Point:|234-238 °C||Loss on Drying: |≤0.5%||Residue on Ignition: |≤0.1%||Heavy Metals (Pb): |≤0.002%||Chloride (Cl-):|≤0.02%||Sulfate (SO42-):|≤0.019%||Sulfated Ash:|≤0.1%||Residual Solvents:|Benzene: ≤0.002%||Organic Volatile Impurities:|To Pass USP||Organic Volatile Impurities:|≤0.05%||Nitro Compounds:|To conform to standard||Yeast and Mold:|≤ 100 CFU/g||Microbiologic TMC:|≤1000/g||Storage:|Store at 4ºC.| |Warnings:|Irritant!||Meets or exceeds USP specifications