National Toxicology Program

National Toxicology Program

Nomination Summary for 1-Bromo-3-chloro-5,5-dimethylhydantoin (N20215)


Specific Substances: 1-Bromo-3-chloro-5,5-dimethylhydantoin

Nomination Date: 02/28/2002

Nominator: Private Individual

Rationale: This chemical is listed as an ingredient in brominating tablets that are used as disinfectants for hot tubs. The nominator is concerned about exposure to this chemical with known toxic effects.

NTP Principles: not specified

Status: Received

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: 16079-88-2

Agent Name: 1-Bromo-3-chloro-5,5-dimethylhydantoin

  • No studies are available.
NTP is located at the National Institute of Environmental Health Sciences, part of the National Institutes of Health.