melting point :236-237 ° C
traits: white or pale yellow crystal powder or crystal. No micro - or stinky smell. Taste planted.
solution: dissolve in water, soluble in boiling ethanol, alkali carbonate or cyanide solution of alkali solution, not soluble in ether. In the alkali carbonate solution or solutions are soluble, stable nature.
purposes: redox processes involved in organizing, promoting cell metabolic functions. For the expansion of the role for peripheral vascular spasm, and arteriosclerosis. Also used as a feed additive.
preparation or sources: (1) may be right paracetamol and glycerol (in sulfuric acid and the presence of p-nitrophenol) Synthesis Central 6 - hydroxyquinoline, nitrate oxidation, and reheating system in the decarboxylation. (2) 3 - methylpyridine for materials (or quinoline) from the oxidation of ammonia.
Note: nicotinamide collectively referred to as vitamin PP. A B vitamins. Exist in the liver, kidney, yeast, Rice Bran.
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