2,4-Dinitrophenol

**Definition:** A toxic dye, chemically related to trinitrophenol (picric acid), used in biochemical studies of oxidative processes where it uncouples oxidative phosphorylation. It is also used as a metabolic stimulant. (Stedman, 26th ed)

**Tree numbers:** - D02.455.426.559.389.657.566.304.500 - D02.640.743.304.250

**Synonyms:** - 2,4-DNP