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Testing Status of Monuron 10600-R

 

CASRN: 150-68-5

Formula: C9-H11-Cl-N2-O

Synonyms/Common Names

  • N'-(4-Chlorophenyl)-N,N-dimethylurea

Known Uses

Herbicide to control variety of annual and perennial plants. Associated with tobacco: reported either as a natural component of tobacco, pyrolysis product (in tobacco smoke), or additive for one or more types of tobacco products.

Chemical Properties

Toxicity Effects (HSDB)

Short-Term Toxicity

  • 13 weeks (Dosed-Feed)  (C02846)  Completed 
    • Rats: F344/N; Mice: B6C3F1
    • Dose: R: 0, 750, 12000, M: 0, 3000, 5000 PPM/10 PER GROUP.

Long-Term Carcinogenicity

  • 2 years (Dosed-Feed)  (C02846)  Completed 
    • TR-266 (NIH Number: 88-2522)  (Peer Review Approval 06/29/1983A )
      Toxicology and Carcinogenesis Studies of Monuron (CASRN 150-68-5) in F344/N Rats and B6C3F1 Mice (Feed Studies)
    • Rats: F344/N; Mice: B6C3F1
    • Carcinogenesis Results
      • Male Rats Clear Evidence 
      • Female Rats No Evidence 
      • Male Mice No Evidence 
      • Female Mice No Evidence 
    • Dose: R: 0, 750, 1500, M: 0, 5000, 10000 PPM/50 PER GROUP.

Genetic Toxicology

  • Chromosome Aberrations  (881444)  Completed 
    • Citation: Shelby, M.D. and Witt, K.L. Comparision of Results from Mouse Bone Marrow Chromosome Aberration and Micronucleus Test 25 (1995) Vol. 25, 1995 302-313
    • Mice
    •  Negative 
  • In Vitro Cytogenetics (CA/SCE)  (030952)  Completed 
    • Citation: Galloway, S., Armstrong, M., Reuben, C., Colman, S., Brown, B., Cannon, C., Bloom, A., Nakamura, F., Ahmed, M., Duk, S., Rimpo, J., Margolin, B., Resnick, M., Anderson, B., and Zeiger, E. Chromosome aberration and sister chromatid exchanges in Chinese hamster ovary cells: Evaluations of 108 chemicals. Environ. Molec. Mutagen. Vol. 10 (Suppl 10) (1987) 1-176
    • Sister Chromatid Exchange Positive 
    • Chromosome Aberrations Positive 
  • Drosophila  (289690)  Completed 
    • Citation: Foureman, P., Mason, J.M., Valencia, R., Zimmering, S. Chemical Mutagenesis Testing in Drosophila. X. Results of 70 coded compounds tested for the National Toxicology Program. Environ. Molec. Mutagen. Vol. 23 (1994) 208-227
    • Reciprocal Translocation/Sex-Linked Recessive Lethal Negative 
  • Mouse Lymphoma  (455773)  Completed 
    • Citation: McGregor, D., Brown, A., Cattanach, P., Edwards, I., McBride, D., Riach, C., and Caspary, W. Responses of the L5178Y tk+/tk- mouse lymphoma cell forward mutation assay: III. 72 coded chemicals. Environ. Molec. Mutagen. Vol. 12 (1988) 85-154
    • Mice
    •  Negative 
  • Micronucleus  (279574)  Completed 
    • Citation: Shelby, M.D., Erexson, G.L., Hook, G.J., and Tice, R.R. Evaluation of a three-exposure mouse bone marrow micronucleus protocol: Results with 49 chemicals. Environ. Molec. Mutag. Vol. 21 (1993) 160-179
    • Mice: B6C3F1
    • Male Positive 
  • Salmonella  (936632)  Completed 
    • Citation: Haworth, S., Lawlor, T., Mortelmans, K., Speck, W., and Zeiger, E. Salmonella mutagenicity test results for 250 chemicals Environ. Mutagen. Vol. 5 (Suppl 1) (1983) 3-142
    •  Negative 
  • Sister Chromatid Exchanges  (881444)  Completed 
    • Citation: Shelby, M.D. and Witt, K.L. Comparision of Results from Mouse Bone Marrow Chromosome Aberration and Micronucleus Test 25 (1995) Vol. 25, 1995 302-313
    • Mice
    • Sister Chromatid  Negative (Nonstandard Protocol)