National Toxicology Program

National Toxicology Program
http://ntp.niehs.nih.gov/go/nm-n91010

Nomination Summary for TCAB and TCAOB in drinking water (N91010)

TCAB and TCAOB in drinking water

Specific Substances: 3,3',4,4'-Tetrachloroazobenzene, 3,3',4,4'-Tetrachloroazoxybenzene

Nomination Date: 02/00/1988

Nominator: EPA

Rationale: Contaminants in herbicides; EPA Office of Drinking Water will use NTP data to determine need for regulation.

NTP Principles: Pre 1993 - 3, 8

Status: Selected


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: 14047-09-7

Agent Name: 3,3',4,4'-Tetrachloroazobenzene

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CASRN: 21232-47-3

Agent Name: 3,3',4,4'-Tetrachloroazoxybenzene

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