Nicotine nicotine sulfate is the most important production of intermediate goods, CAS: 65-30-5 formula (C10H14N2) 2 · H2SO4, molecular weight 422.55, industrial products containing more than 40% of nicotine (equivalent to 52% of nicotine sulfate ) in water, yellow or red brown oily liquid, the proportion of 1.18, PH value of 5.2 for its raw materials for the production of phosphoric acid can nicotine,nicotine and other nicotine citrate salts, nicotine pesticides.