National Toxicology Program

National Toxicology Program

Testing Status of Octachloronaphthalene - M20205


CASRN: 2234-13-1

Formula: C10-Cl8

Synonyms/Common Names

  • Halowax 1051
  • Naphthalene, octachloro- (8CI, 9CI)
  • Perchloronaphthalene
  • Perna

Known Uses

Used as a component of PCN waxes and impregnants; in protective coatings, such as electrical insulating and fire-resistant materials; in water repellants; in wood preservatives; as a lubricant additive; and as a reactant/chemical intermediate in organic synthesis

Chemical Properties

Toxicity Effects (HSDB)

Nomination Background

Genetic Toxicology

  • Salmonella  (A21226)  Completed 
    •  Negative 
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.