Synonyms: "1,2,3,4,6,7-hexachloronaphthalene", "naphthalene, 1,2,3,4,6,7-hexachloro", "PCN-66", "PCNCOMPARISN".

Source: 1,2,3,4,6,7-hexachloronaphthalene is a polychlorinated naphthalene (PCN). PCNs are ubiquitous environmental pollutants produced by combustion, and present in electrical devices, wood, paper and textiles to attain waterproofness, flame resistance and protection against insects, molds and fungi.


IUPAC Name: 1,2,3,4,6,7-hexachloronaphthalene
CAS Number: 103426-96-6
PubChem ID: 107698
Canonical SMILES: C1=C2C(=CC(=C1Cl)Cl)C(=C(C(=C2Cl)Cl)Cl)Cl

Structural Properties:

Molecular Formula: C10H2Cl6
Molecular Weight: 334.826

Pharmacophore Features:

Number of bond donors: 0
Number of bond acceptors: 0
Number of atoms different from hydrogen: 16


2D structure (.sdf)
3D structure (.sdf)
3D structure (.mol2)
3D structure (.pdb)
3D structure (.pdbqt)

Toxicological Information

Evidence Supporting This Chemical as an Endocrine Disruptor
TEDX List of Potential Endocrine Disruptors

Omura M, Masuda Y, Hirata M, Tanaka A, Makita Y, Ogata R, Inoue N. 2000. Onset of spermatogenesis is accelerated by gestational administration of 1,2,3,4,6,7-hexachlorinated naphthalene in male rat offspring. Environ Health Perspect 108(6):539-544. DOI: 10.1289/ehp.00108539. URL: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1638139/.

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