National Toxicology Program

National Toxicology Program

Nomination Summary for 1,3-Hexachlorobutadiene (N20123)


Specific Substances: Hexachloro-1,3-butadiene

Nomination Date: 04/10/2001

Nominator: Proposition 65 Science Advisory Board Carcinogen Identification Committee

Rationale: Persistent industrial by-product widely dispersed in environment; some evidence for carcinogenicity; existing data insufficient to characterize carcinogenic hazard

NTP Principles: not specified

Status: No Testing

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

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CASRN: 87-68-3

Agent Name: Hexachloro-1,3-butadiene

NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.