9642. 3,4,6-Trichloro-2-nitrophenol

Nomenclature

CAS number: 82-62-2
2-Nitro-3,4,6-trichlorophenol; 2,4,5-trichloro-6-nitrophenol; Dowlap.
C6H2Cl3NO3; mol wt 242.44.
C 29.72%, H 0.83%, Cl 43.87%, N 5.78%, O 19.80%.

Description and references

Prepd by dissolving 2,4,5-trichlorophenol in glacial acetic acid and treating with concd nitric acid: Kohn, Fink, Monatsh. Chem. 58, 73 (1931); Harrison et al., J. Chem. Soc. 1943, 235.

Chemical structure

Properties

Pale yellow crystals from petr ether, mp 92-93°.

Use

To combat the sea lamprey, an eel-like fish which attacks trout, especially in the Great Lakes region.