Molecular formula :
nature : PP niacin and vitamin amine collectively PP. B vitamin A. In the liver, kidney, yeast, rice bran. White or light yellow crystalline powder or crystal. No foul smell or micro. Mei slightly acidic. Density 1.473. 236-237 ° C melting point. Dissolved in water, soluble in boiling water, boiling ethanol, alkali carbonate hydroxide solution or alkali solution, not soluble in ether. Participating organizations redox process, promote cell metabolic functions. For the fight against the disease pellagra and similar vitamin deficiency. Also expansion of vascular role for peripheral vascular spasm, hardening of the arteries. Right from phenol and glycerine (in sulfuric acid and the presence of nitrophenols) Central Synthesis of 6-hydroxyquinoline, nitrate oxide, together with the thermal decarboxylation and prepared.
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