Nitrophenols are a family of nitrated
phenols with the
formula HOC6H4NO2. Three
isomeric nitrophenols exist: o-Nitrophenol (1-hydroxy-2-nitrobenzene; OH and NO2 groups are neighboring; CAS number: 88-75-5), a yellow crystalline solid (m.p. 46 °C).m-Nitrophenol (1-hydroxy-3-nitrobenzene), a yellow solid (m.p. 97 °C) and precursor to the drug
aminosalicylic acid.
p-Nitrophenol (1-hydroxy-4-nitrobenzene, CAS number: 100-02-7), yellow crystals (m.p. 114 °C). It is a precursor to the
rice herbicide fluorodifen and the pesticide
parathion. The nitrophenols are produced industrially by the reaction of chlorides with
sodium hydroxide at temperatures close to 200 C.
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Synthetic organopesticides containing carbon, hydrogen, nitrogen, and oxygen.