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4,4 '-methylene-bis(2-chloroaniline)
CAS RN 101-14-4



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.
Carcinogenicity Potency Database, IARC Monographs, National Toxicology Program 11th Report on Carcinogens, Chemical Carcinogenesis Research Information System
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: When administered in the diet, 4,4-methylene-bis(2-chloroaniline) induced mammary adenocarcinomas in male rats.
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.: 57 (1993) (p. 271) 4,4 '-methylene-bis(2-chloroaniline) (MOCA). Summary of Data Reported and Evaluation.
Review
Administration in diet produced mammary tumors in female rats: Stula 1975. Administration in diet produced mammary tumors in male rats: Kommineni 1978.
Carcinogenic Potency Database 2005. Gold LS ST, Manley NB, Garfinkel GB, Ames BN. Summary Table by Chemical of Carcinogenicity Results in CPDB on 1485 Chemicals. 2005
Review
Three of four studies report mammary tumors: Stula 1975, Kommineni 1979, and Grundmann 1970. One study did not report mammary tumors: Stula 1978.
National Toxicology Program 11th Report on Carcinogens. 4,4 '-methylene-bis(2-chloroaniline)
Review
When administered in the diet, induced mammary adenocarcinomas in male rats (IARC 1974, 1987, 1993).
Grundmann E, Steinhoff D. Liver and lung tumors following 3,3'-dichloro-4,4'-diamino-diphenylmethane in rats (German). Z Krebsforsch. 1970;74(1):28-39.
Primary Literature
Kommineni C, Groth DH, Frockt IJ, Voelker RW, Stanovick RP. Determination of the tumorigenic potential of methylene-bis-orthochloroaniline. J Environ Pathol Toxicol. 1979 May-Jun;2(5):149-71.
Primary Literature
Stula EF, Sherman H, Zapp JA, Jr., Clayton JW, Jr. Experimental neoplasia in rats from oral administration of 3,3'-dichlorobenzidine, 4,4'-methylene-bis-bis(2-chloroaniline), and 4,4'-methylene-bis(2-methylaniline). Toxicol Appl Pharmacol. 1975 Jan;31(1):159-76.
Primary Literature
Stula EF, Barnes JR, Sherman H, Reinhardt CF, Zapp JA, Jr. Urinary bladder tumors in dogs from 4,4'-methylene-bis (2-chloroaniline) (MOCA). J Environ Pathol Toxicol. 1978 Sep-Oct;1(1):31-50.
Primary Literature
A study listed by CPDB 2005 that did not report mammary tumors.
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.