*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : MG7062000 CHEMICAL NAME : Halloysite CAS REGISTRY NUMBER : 12068-50-7 LAST UPDATED : 198910 DATA ITEMS CITED : 1 COMPOUND DESCRIPTOR : Tumorigen *** HEALTH HAZARD DATA *** ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Implant SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 200 mg/kg TOXIC EFFECTS : Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application REFERENCE : JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC) V.61-79, 1978-87. For publisher information, see JNCIEQ. Volume(issue)/page/year: 67,965,1981 *** END OF RECORD ***