*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FB1750000
CHEMICAL NAME           : Carbamic acid, hydroxy-, ethyl ester
CAS REGISTRY NUMBER     : 589-41-3
BEILSTEIN REFERENCE NO. : 1747529
REFERENCE               : 4-03-00-00168 (Beilstein Handbook Reference)
LAST UPDATED            : 199612
DATA ITEMS CITED        : 38
MOLECULAR FORMULA       : C3-H7-N-O3
MOLECULAR WEIGHT        : 105.11
WISWESSER LINE NOTATION : QMVO2
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Ethylester kyseliny N-hydroxykarbaminove
   * Ethyl N-hydroxycarbamate
   * Hydroxycarbamic acid ethyl ester
   * N-Hydroxy ethyl carbamate
   * N-Hydroxyurethan
   * N-Hydroxyurethane
   * NHU
   * NSC-83629
   * NSC-71045
   * SQ 16819
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ADTEAS Advances in Teratology.  (New York, NY)  V.1-5, 1966-72.
   Discontinued.  Volume(issue)/page/year: 3,181,1968
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   RRCRBU Recent Results in Cancer Research.  (Springer-Verlag New York, Inc.,
   Service Center, 44 Hartz Way, Secaucus, NJ 07094)  V.1-    1965-
   Volume(issue)/page/year: 52,29,1975
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 8 gm/kg/8W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Eye) - 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:
   43,749,1969
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2400 mg/kg/2W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   29,2184,1969
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 mg/kg
                          female 21 day(s) after conception
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Reproductive - Tumorigenic effects - transplacental tumorigenesis
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   40YJAX "Evaluation of Embryotoxicity, Mutagenicity and Carcinogenicity Risks
   In New Drugs, Proceedings of the Symposium on Toxicological Testing for
   Safety of New Drugs, 3rd, Prague, 1976," Benesova, O., et al., eds., Prague,
   Czechoslovakia, Univerzita Karlova, 1979  Volume(issue)/page/year:
   -,141,1979
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 1 gm/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   VOONAW Voprosy Onkologii.  Problems of Oncology.  For English translation,
   see PONCAU. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-10,
   1928-37; V.1-    1955-  Volume(issue)/page/year: 15(2),66,1969
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2400 mg/kg/4W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   29,2184,1969
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5800 mg/kg/10W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Blood - leukemia
REFERENCE :
   IJCNAW International Journal of Cancer.  (International Union Against
   Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland)  V.1-    1966-
   Volume(issue)/page/year: 4,318,1969
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2900 mg/kg/5W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Blood - leukemia
REFERENCE :
   IJCNAW International Journal of Cancer.  (International Union Against
   Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland)  V.1-    1966-
   Volume(issue)/page/year: 4,318,1969
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 738 mg/kg
SEX/DURATION            : female 6-14 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 - Fertility - litter size (e.g. # fetuses per litter; measured
   before birth)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: PB223-160
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - hamster
DOSE                    : 252 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)
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
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                    : 252 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   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                    : 1009 mg/kg
SEX/DURATION            : female 8 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
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             : Bacteria - Escherichia coli
DOSE/DURATION           : 10 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 151,201,1985
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 10 mg/L
REFERENCE :
   JJIND8 JNCI, Journal of the National Cancer Institute.  (Washington, DC)
   V.61-79, 1978-87. For publisher information, see JNCIEQ.
   Volume(issue)/page/year: 62,873,1979
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 200 mmol/L
REFERENCE :
   BBACAQ Biochimica et Biophysica Acta.  (Elsevier Science Pub. B.V., POB 211,
   1000 AE Amsterdam, Netherlands)  V.1-    1947- Volume(issue)/page/year:
   312,1,1973
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 10 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 4,517,1967
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Human HeLa cell
DOSE/DURATION           : 1320 umol/L
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   14,205,1965
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Leukocyte
DOSE/DURATION           : 333 umol/L/48H
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   25,980,1965
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - rat Liver
DOSE/DURATION           : 10 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 145,201,1985
 
TYPE OF TEST            : Sister chromatid exchange
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 400 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 126,159,1984
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - mouse Embryo
DOSE/DURATION           : 10 ug/L
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   52,1167,1974
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - mouse Embryo
DOSE/DURATION           : 50 umol/L
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   32,667,1964
 
TYPE OF TEST            : Sister chromatid exchange
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 1100 umol/kg
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   41,4489,1981
 
TYPE OF TEST            : Sister chromatid exchange
ROUTE OF EXPOSURE       : Unreported
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 400 mg/kg
REFERENCE :
   BANRDU Banbury Report.  (Cold Spring Harbor Laboratory, POB 100, Cold Spring
   Harbor, NY 11724) V.1-    1979-  Volume(issue)/page/year: 13,293,1982
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 20 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 152,225,1985
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Cells - not otherwise specified
DOSE/DURATION           : 50 umol/L
REFERENCE :
   JNCIAM Journal of the National Cancer Institute.  (Washington, DC)  V.1-60,
   1940-78.  For publisher information, see JJIND8.  Volume(issue)/page/year:
   32,667,1964
 
TYPE OF TEST            : Sister chromatid exchange
ROUTE OF EXPOSURE       : Unreported
TEST SYSTEM             : Rodent - hamster
DOSE/DURATION           : 400 mg/kg
REFERENCE :
   BANRDU Banbury Report.  (Cold Spring Harbor Laboratory, POB 100, Cold Spring
   Harbor, NY 11724) V.1-    1979-  Volume(issue)/page/year: 13,293,1982
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 5 gm/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 3,1437,1982
 
TYPE OF TEST            : Sister chromatid exchange
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - hamster
DOSE/DURATION           : 400 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 126,159,1984
 
TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 10 mg/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 3,1437,1982
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Mammal - species unspecified Lymphocyte
DOSE/DURATION           : 200 mmol/L
REFERENCE :
   BBACAQ Biochimica et Biophysica Acta.  (Elsevier Science Pub. B.V., POB 211,
   1000 AE Amsterdam, Netherlands)  V.1-    1947- Volume(issue)/page/year:
   312,1,1973
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Bird - chicken Embryo
DOSE/DURATION           : 200 mmol/L
REFERENCE :
   BBACAQ Biochimica et Biophysica Acta.  (Elsevier Science Pub. B.V., POB 211,
   1000 AE Amsterdam, Netherlands)  V.1-    1947- Volume(issue)/page/year:
   312,1,1973

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Cell transform.-mouse embryo
   
   EPA GENETOX PROGRAM 1988, Positive: In vitro cytogenetics-human lymphocyte
   
   EPA GENETOX PROGRAM 1988, Positive: Mammalian micronucleus; E coli polA
   without S9
   
   EPA GENETOX PROGRAM 1988, Positive/limited: Carcinogenicity-mouse/rat
   
   EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal

 
                            *** END OF RECORD ***