Name  :    Nicotinic acid
Shape :    White crystalline powder

               Niacin belongs to vitamin B group, also known as niacin, vitamin B3, anti-scutanic disease factor, molecular formula is C6H5NO2, chemical name pyridine-3-formic acid, thermal stability is good, can sublimate, industrial often use sublimation method to purify niacin.Niacin appears as a white crystal or white crystalline powder, soluble in water, mainly exists in animal viscera, muscle tissue, fruit, egg yolk also exists in trace amounts, is one of the 13 vitamins necessary for human body.At present, niacin is mainly used as feed additive, which can improve the utilization rate of feed protein, milk yield of dairy cows and meat yield and quality of poultry and livestock such as fish, chicken, duck, cattle and sheep.Niacin is also a widely used pharmaceutical intermediate, with which a variety of medicines can be synthesized, such as nicosamide and niacin inositol ester.In addition, niacin also plays an irreplaceable role in luminescent materials, dyes, electroplating industry and other fields.