2,4-Dinitrophenol is a yellow, crystalline solid that has a sweet, musty odour. It is soluble in water, ethyl acetate, acetone, chloroform, pyridine, carbon tetrachloride, toluene, alcohol, benzene, and aqueous alkaline solutions. It forms explosive salts with alkalies and ammonia.
Industrial 2,4-dinitrophenol is produced by the nitration of phenol with the mixture of concentrated nitric and sulfuric acid.
2,4-Dinitrophenol is used for making dyes, other organic chemicals, and wood preservatives. It is also used to make photographic developer, explosives, and insect control substances.