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Testing Status of Ethyl tellurac 10777-E

 

CASRN: 20941-65-5

Formula: C20-H40-N4-S8-Te

Synonyms/Common Names

  • Diethylcarbamodithioic acid tetrakis(anhydrosulfide) with thiotelluric acid (114TeS4) (9CI)
  • Diethyldithiocarbamic acid tellurium salt
  • Ethyl tellurac
  • Tellurium diethyldithiocarbamate
  • Tetrakis(diethylcarbamodithioato-S,S')tellurium (9CI)
  • Tetrakis(diethyldithiocarbamato)tellurium tellurac

Known Uses

Vulcanization; rubber accelerator

Chemical Properties

Toxicity Effects (HSDB)

Short-Term Toxicity

  • 13 weeks (Dosed-Feed)  (C02857)  Completed 
    • Rats: F344/N; Mice: B6C3F1
    • Dose: 10 PER GROUP.

Long-Term Carcinogenicity

  • 2 years (Dosed-Feed)  (C02857)  Completed 
    • TR-152 (NIH Number: 79-1708)  (Peer Review Approval 12/13/1978A )
      Bioassay of Ethyl Tellurac for Possible Carcinogenicity (CASRN 20941-65-5)
    • Rats: F344/N; Mice: B6C3F1
    • Carcinogenesis Results
      • Male Rats Equivocal 
      • Female Rats Negative 
      • Male Mice Equivocal 
      • Female Mice Equivocal 
    • Dose: MR: 0, 300, 600, FR: 0, 150, 300, MM: 0, 1255, 3132 (AVG), FM: 0, 2132, 4915 (AVG) PPM/50 PER GROUP.

Genetic Toxicology

  • In Vitro Cytogenetics (CA/SCE)  (274642)  Completed 
    • Sister Chromatid Exchange Negative 
    • Chromosome Aberrations Equivocal 
  • Drosophila  (405582)  Completed 
    • Citation: Valencia, R., Mason, J.M., Woodruff, R.C., and Zimmering, S. Chemical mutagenesis testing in Drosophila: III. Results of 48 coded compounds tested for the National Toxicology Program. Environ. Mutagen. Vol. 7 (1985) 325-348
    • Reciprocal Translocation/Sex-Linked Recessive Lethal Negative 
  • Mouse Lymphoma  (326120)  Completed 
    • Mice
    •  Positive 
  • Salmonella  (068612)  Completed 
    • Citation: Mortelmans, K., Haworth, S., Lawlor, T., Speck, W., Tainer, B., and Zeiger, E. Salmonella mutagenicity tests. II. Results from the testing of 270 chemicals Environ. Mutagen. Vol. 8 (Suppl 7) (1986) 1-119
    •  Negative 
  • Salmonella  (470384)  Completed 
    • Citation: Mortelmans, K., Haworth, S., Lawlor, T., Speck, W., Tainer, B., and Zeiger, E. Salmonella mutagenicity tests. II. Results from the testing of 270 chemicals Environ. Mutagen. Vol. 8 (Suppl 7) (1986) 1-119
    •  Negative