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Target Organs and Levels of Evidence for TR-152

Bioassay of Ethyl Tellurac for Possible Carcinogenicity (CASRN 20941-65-5)

Chemical (Study Title)
CASRN
Peer Review DatePrimary UsesRoute/Exposure LevelsStudy Laboratory
Ethyl tellurac
20941-65-5
12/13/1978Vulcanization; rubber acceleratorDosed-Feed
MR: 0,300,600, FR: 0,150,300, MM: 0,1255,3132 (AVG), FM: 0,2132,4915 (AVG) PPM/50 PER GROUP
Frederick Cancer Research Facility

Levels of Evidence

Male Rats: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Mesothelium (Abdominal Cavity/Tunica Vaginalis): MESOTHELIOMA
Female Rats: Negative
Male Mice: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Harderian Gland: (ADENOMA)
Female Mice: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Harderian Gland: (ADENOMA)