*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FC2625000
CHEMICAL NAME           : Carbamic acid, methyl-, ethyl ester
CAS REGISTRY NUMBER     : 105-40-8
BEILSTEIN REFERENCE NO. : 1743375
REFERENCE               : 4-04-00-00200 (Beilstein Handbook Reference)
LAST UPDATED            : 199710
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C4-H9-N-O2
MOLECULAR WEIGHT        : 103.14
WISWESSER LINE NOTATION : 2OVM1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Ethylester kyseliny methylkarbaminove
   * Ethyl N-methylcarbamate
   * Methylcarbamic acid, ethyl ester
   * N-Methyl urethan
   * N-Methylurethane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1360 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   AJEBAK Australian Journal of Experimental Biology and Medical Science.
   (Adelaide, S.A., Australia) V.1-64, 1924-86.  Volume(issue)/page/year:
   45,507,1967
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 10 gm/kg/1W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Skin and Appendages - tumors
REFERENCE :
   BJCAAI British Journal of Cancer.  (Macmillan Press Ltd., Houndmills,
   Basingstoke, Hants. RG21 2XS, UK)  V.1-    1947-  Volume(issue)/page/year:
   9,177,1955
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 6500 mg/kg/13W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   9,35,1948
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 495 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - body wall
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   27,1696,1967
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 495 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   27,1696,1967
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Rodent - mouse Lymphocyte
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 174,285,1986

                          *** STATUS IN U.S. ***
 
   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 ***