2,4-DB

IUPAC Name: 4-(2,4-dichlorophenoxy)butanoic acid

Source: Used as an herbicide.

Summary: 2,4-DB is an organochlorine compound used as an herbicide. It is soluble in water up to 46 mg/L at 25 C. Decomposition produces hydrogen chloride gas. It has an acid dissociation constant of pKa = 4.95 at 25 C. Photochemical degradation and biodegradation are expected to be major fate processes in water and soil.

GHS Hazard Statement: H302, H411, GHS07, GHS09