Dinitrophenols

2,4-Dinitrophenol (2,4-DNP or simply DNP) is an organic compound with the formula . It occurs as yellow crystals or platelets. It has been used in explosives manufacturing and as a pesticide and herbicide.

Dinitrophenols are chemical compounds which are nitro derivatives of phenol.

2,3-Dinitrophenol (2,3-DNP) is an organic compound with the formula HOC6H3(NO2)2. 2,3-Dinitrophenol is not planar due to rotation of nitro groups, and is acidic.