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Nominated Substances: C.I. Basic Brown 1
Nomination Date: 10/22/1984
Nominator: NCI
Rationale: C.I. Basic Brown 1 was selected as a model compound to fill the gaps in knowledge of the carcinogenicity of the Phenylenediamine-based Diazo Dyes and because of its potential for human exposure.
NTP Principles: Pre 1993 - 3 PRE93