*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : YS6425000 CHEMICAL NAME : Urea, 3-(p-chlorophenyl)-1-methoxy-1-methyl- CAS REGISTRY NUMBER : 1746-81-2 BEILSTEIN REFERENCE NO. : 2212523 LAST UPDATED : 199710 DATA ITEMS CITED : 9 MOLECULAR FORMULA : C9-H11-Cl-N2-O2 MOLECULAR WEIGHT : 214.67 WISWESSER LINE NOTATION : GR DMVN1&O1 COMPOUND DESCRIPTOR : Agricultural Chemical Reproductive Effector SYNONYMS/TRADE NAMES : * Aresin * Arezin * Arezine * 3-(4-Chlorphenyl)-1-methoxy-1-methylharnstoff * N-(4-Chlorophenyl)-N'-methoxy-N-methylurea * 3-(4-Chlorophenyl)-1-methoxy-1-methylurea * HOE 2747 * Monolinuron * Urea, N'-(4-chlorophenyl)-N-methoxy-N-methyl- *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 1800 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : WRPCA2 World Review of Pest Control. (London, UK) V.1-10, 1962-71. Discontinued. Volume(issue)/page/year: 9,119,1970 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Mammal - dog DOSE/DURATION : 500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : 28ZEAL "Pesticide Index," Frear, E.H., ed., State College, PA, College Science Pub., 1969 Volume(issue)/page/year: 5,158,1976 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 8 gm/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth) Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 38,261,1977 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 8 gm/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - other developmental abnormalities REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 38,261,1977 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 4 gm/kg SEX/DURATION : female 10-13 day(s) after conception TOXIC EFFECTS : Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea) Reproductive - Specific Developmental Abnormalities - musculoskeletal system REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 38,261,1977 TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE : 1 gm/kg SEX/DURATION : female 6-15 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue) REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 38,261,1977 *** REVIEWS *** TOXICOLOGY REVIEW DTTIAF Deutsche Tieraerztliche Wochenschrift. (Hanover, Fed. Rep. Ger.) V.1-77, 1893-1970. Volume(issue)/page/year: 80,485,1973 *** STATUS IN U.S. *** EPA TSCA Section 8(b) CHEMICAL INVENTORY EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998 *** END OF RECORD ***