1,3-Dichloropropene | C3H4Cl2 - PubChem
1, 3-Dichloropropene, also known as Telone or simply 1, 3-D, is a colorless liquid with a sweet smell. It exists as a mixture of the geometric isomers cis-1, 3-dichloropropene and trans-1, 3-dichloropropene. It dissolves in water and evaporates easily. It is used mainly in farming as a pesticide, specifically as a preplant fumigant and nematicide.