*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : YT2335000
CHEMICAL NAME           : Urea, ethyl-
CAS REGISTRY NUMBER     : 625-52-5
LAST UPDATED            : 199710
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C3-H8-N2-O
MOLECULAR WEIGHT        : 88.13
WISWESSER LINE NOTATION : ZVM2
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Ethylurea
   * N-Ethylurea
   * 1-Ethylurea
   * Urea, 1-ethyl-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD - Lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCNSA6 National Academy of Sciences, National Research Council,
   Chemical-Biological Coordination Center, Review.  (Washington, DC)
   Volume(issue)/page/year: 5,47,1953
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Parenteral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 6610 mg/kg
TOXIC EFFECTS :
   Behavioral - general anesthetic
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 52,216,1934
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 2 gm/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 23,335,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Protozoa - Chlamydomonas reinhardi
DOSE/DURATION           : 400 mmol/L
REFERENCE :
   FOMIAZ Folia Microbiologica (Prague).  (Academia, Vodickova 40, 112 29
   Prague 1, Czechoslavakia) V.4-    1959-  Volume(issue)/page/year:
   20,452,1975

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Host-mediated assay
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***