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3,3'-dimethoxybenzidine
CAS RN 119-90-4



Cancer studies: Mammary gland tumors
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Originating list
The list(s) or database(s) in which the chemical was identified as showing an increase in mammary gland tumors. CPDB: Carcinogenic Potency Database, IARC: International Agency for Research on Chemicals Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man summaries, NTP TR: National Toxicology Program (NTP) Technical Reports, NTP 11ROC: NTP 11th Report on Carcinogens, CCRIS: Chemical Carcinogenesis Research Information Service.
National Toxicology Program studies
Mammary gland tumor summary
A summary of findings related to mammary gland tumors, most often excerpted from IARC Monographs or the NTP 11th ROC, and, in some cases, supplemented by our evaluation of individual studies and reviews, is available for the priority chemicals and 67 others.
NTP 11th ROC: Female rats had increased incidence of cancer of the mammary gland (adenocarcinomas).
Citations to review sources and individual studies reporting mammary gland tumors are listed below.
Citation
Source Type
Notes
International Agency for Research on Cancer, Monographs on the evaluation of carcinogenic risk of chemicals to man.VOL.: 4 (1974) (p. 41) 3,3'-dimethoxybenzidine. Summary of Data Reported and Evaluation.
Review
Oral administration induced mammary tumors in rats (sex unspecified): Pliss 1963, Pliss 1965.
International Agency for Research on Cancer, Monographs on the evaluation of carcinogenic risk of chemicals to man.VOL.: Supplement 7 (1987) (p. 198) 3,3'-dimethoxybenzidine. Summary of Data Reported and Evaluation.
Review
Produced tumors at various sites: IARC 1974.
National Toxicology Program 11th Report on Carcinogens. 3,3'-dimethoxybenzidine and dyes metabolized to 3,3'-dimethoxybenzidine.
Review
When administed in the drinking water, female rats had increased incidences of cancer of the mammary gland (NTP 1990).
National Toxicology Program Technical Report 372, 1990
Primary Literature
Pliss GB. On Some Regular Relationships between Carcinogenicity of Aminodiphenyl Derivatives and the Structure of Substance. Acta Unio Int Contra Cancrum. 1963;19:499-501.
Primary Literature
From IARC
Pliss GB. On the carcinogenic properties of o-toluidine and dianisidine (Russian). Gig Tr Prof Zabol. 1965 Jul;9(7):18-22.
Primary Literature
From IARC
National Toxicology Program 11th Report on Carcinogens, Table 1. Chemicals nominated to the National Toxicology Program for in-depth toxicological evaluation for carcinogenesis testing in fiscal years 1988-2003.
Review
Not nominated for NTP testing in 1998-2003.