Pyridine chemical is a colourless to light yellow liquid with a characteristic odour that is not pleasant. Crude coal tar and other chemicals are used in the preparing of this chemical. This chemical is generally added to dissolve the substances. Products that can be made with this chemical are many, right from adhesives, insecticides, herbicides, pharmaceutical products, food flavourings, dyes and paints. Pyridine chemical is toxic when ingested or inhaled. Its density is 0.978 g / cm3 and flash point of 68 deg F.