HanShang Chemical Scientific Limited(mrHou,tel: 8.6.0.2.1.5.0.1.8.9.2.9.8 )is specialized in Pyridin Seriese .Are you looking for the best Pyridin Seriese in Shanghai?HanShang Chemical Scientific Limited is the best Pyridin Seriese manufacturer In shanghai.　 　　　 Pyridine is a basic heterocyclic organic compound with the chemical formula C5H5N. It is structurally related to benzene, with one methine group replaced by a nitrogen atom. The pyridine ring occurs in many important compounds, including azines and the vitamins niacin and pyridoxal.Pyridine was discovered in 1849 by the Scottish chemist Thomas Anderson as one of the constituents of bone oil. Two years later, Anderson isolated pure pyridine through fractional distillation of the oil. It is a colorless, highly flammable, weakly alkaline, water-soluble liquid with a distinctive, unpleasant fish-like odor. HanShangChem provide the best quality Pyridin Seriese in shanghai. If you want to known How much the Pyridin Seriese is,please tel 8.6.0.2.1.5.0.1.8.9.2.9.8 OR 3W.hanshangchem.com.We are Professional supplier of shanghai Pyridin Seriese manufacturer .Our Address：Dongfang Road, Pudong, Shanghai&&&