General structure of<unk> s Structure of 2,3,6,7-Tetrachloronaphthalene<unk>  <unk>  are the products obtained upon treatment of<unk>  with chlorine. The generic chemical formula is C10H8−(m+n)Cl(m+n). Commercial<unk> s are mixtures of up to 75 components and byproducts. The material is an oil or a waxy solid, depending on the degree of chlorination.<unk> s were once used in insulating coatings for electrical wires, as well as other applications, but their use has been largely phased out.
Polychlorinated naphthalene
Alkylphenol
Nitrobenzene
Naphthalene
Polychlorinated dibenzodioxins
Polychlorinated biphenyl
Coal tar
Benzene