*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : KR9200000
CHEMICAL NAME           : Ethylamine, N-methyl-N-nitroso-
CAS REGISTRY NUMBER     : 10595-95-6
BEILSTEIN REFERENCE NO. : 1742021
REFERENCE               : 4-04-00-03386 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 28
MOLECULAR FORMULA       : C3-H8-N2-O
MOLECULAR WEIGHT        : 88.13
WISWESSER LINE NOTATION : ONN2&1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Ethylmethylnitrosamine
   * Methylaethylnitrosamin
   * Methylethylnitrosamine
   * N,N-Methylethylnitrosamine
   * N-Methyl-N-nitroso-ethamine
   * N-Methyl-N-nitrosoethylamine
   * NEMA
   * N-Nitrosoethylmethylamine
   * N-Nitrosomethylethylamine
   * NMEA
 
                       *** 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           : 90 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   69,103,1967
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 600 mg/kg/15W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Liver - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   46,2252,1986
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 108 mg/kg/20W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3968,1987
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 420 mg/kg/71W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
   Reproductive - Tumorigenic effects - other reproductive system tumors
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   69,103,1967
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2250 mg/kg/30W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Liver - tumors
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   14,297,1981
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 360 mg/kg/30W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
   Liver - tumors
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: 68,681,1982
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 90 mg/kg/30W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   FCTOD7 Food and Chemical Toxicology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.20-    1982- Volume(issue)/page/year:
   21,601,1983
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 600 mg/kg/15W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
REFERENCE :
   PAACA3 Proceedings of the American Association for Cancer Research. (Waverly
   Press, 428 E. Preston St., Baltimore, MD 21202)  V.1-    1954-
   Volume(issue)/page/year: 25,126,1984
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 72 mg/kg/30W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   40,19,1980
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 700 mg/kg/30W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
   Liver - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3968,1987
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 360 mg/kg/20W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3968,1987
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 500 ug/plate
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 5,1091,1984
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
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: 89,209,1981
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 100 mg/L
REFERENCE :
   TCMUE9 Topics in Chemical Mutagenesis.  (Plenum Pub. Corp., 233 Spring
   Street, New York, NY 10013) V.1-    1984-  Volume(issue)/page/year:
   1,91,1984
 
TYPE OF TEST            : Specific locus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 100 umol/L
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 5,455,1983
 
TYPE OF TEST            : DNA damage
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 25 ug/kg
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3485,1987
 
TYPE OF TEST            : Host-mediated assay
TEST SYSTEM             : Rodent - mouse Bacteria - Escherichia coli
DOSE/DURATION           : 30 mg/kg
REFERENCE :
   JCROD7 Journal of Cancer Research and Clinical Oncology.  (Springer-Verlag
   New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094)  V.93-
   1979-  Volume(issue)/page/year: 111,196,1986
 
TYPE OF TEST            : Host-mediated assay
TEST SYSTEM             : Rodent - mouse Bacteria - Salmonella typhimurium
DOSE/DURATION           : 22500 ug/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 110,9,1983
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 1 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   40,406,1980

                              *** REVIEWS ***
 
   IARC Cancer Review:Animal Sufficient Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 17,221,1978

   IARC Cancer Review:Human No Adequate Data
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 17,221,1978

   IARC Cancer Review:Group 2B
   IMSUDL IARC Monographs, Supplement.  (WHO Publications Centre USA, 49
   Sheridan Ave., Albany, NY 12210)  No.1-    1979-  Volume(issue)/page/year:
   7,56,1987

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-FRANCE;Carcinogen JAN 1993
   
   OEL-GERMANY;Carcinogen JAN 1993

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat
   
   EPA GENETOX PROGRAM 1988, Inconclusive: Histidine reversion-Ames test
   
   On EPA IRIS database
   
   OSHA ANALYTICAL METHOD #38

 
                            *** END OF RECORD ***