2,3,4,5 tetrachlorophenol

2,3,4,5-Tetrachlorophenol is a metabolite of the insecticide γ-lindane.1It is toxic to fathead minnows and rainbow trout (LC50s = 0.496 and 0.304 mg L, respectively, in tank water).2 1.Chadwick, R.W., and Freal, J.J.The identification of five unreported lindane metabolites recovered from rat urineBull. Environ. Contam. Toxicol.7(2)137-146(1972) 2.Holcombe, G.W., Phipps, G.L., Knuth, L., et al.The acute toxicity of selected substituted phenols, benzenes and benzoic acid esters to fathead minnows Pimephales promelasEnviron. Pollut.35(4)367-381(1984)