*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CM8050000
CHEMICAL NAME           : Aziridine, 2-methyl-
CAS REGISTRY NUMBER     : 75-55-8
BEILSTEIN REFERENCE NO. : 0102386
REFERENCE               : 5-20-01-00150 (Beilstein Handbook Reference)
LAST UPDATED            : 199806
DATA ITEMS CITED        : 59
MOLECULAR FORMULA       : C3-H7-N
MOLECULAR WEIGHT        : 57.11
WISWESSER LINE NOTATION : T3MTJ B1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 2-Methylazacyclopropane
   * 2-Methylaziridine
   * Methylethylenimine
   * 2-Methylethylenimine
   * Propylene imine
   * 1,2-Propyleneimine
   * Propylene imine
   * Propylenimine
   * 1,2-Propylenimine
   * RCRA waste number P067
 
                       *** 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           : 19 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 30,63,1948
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 31,343,1949
 
TYPE OF TEST            : LC - Lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >2 gm/m3/10M
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NDRC** National Defense Research Committee, Office of Scientific Research
   and Development, Progress Report.  Volume(issue)/page/year:
   NDCrc-132,Feb,1942
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 355 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
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: 62,911,1979
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 500 ppm/1H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - chronic pulmonary edema
   Lungs, Thorax, or Respiration - dyspnea
   Kidney, Ureter, Bladder - changes in tubules (including acute renal failure,
   acute tubular necrosis)
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 30,2,1948
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 43 mL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 30,63,1948
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1120 mg/kg/28W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Brain and Coverings - tumors
   Skin and Appendages - tumors
REFERENCE :
   NATUAS Nature.  (Nature Subscription Dept., POB 1018, Manasguan, NJ 08736)
   V.1-    1869-  Volume(issue)/page/year: 230,460,1971
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3920 mg/kg/27W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Blood - leukemia
   Skin and Appendages - 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: 67,75,1981
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4129 mg/kg/58W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Skin and Appendages - 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: 67,75,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 3300 ng/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 6(Suppl
   2),1,1984
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 10 ug/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 6(Suppl
   2),1,1984
 
TYPE OF TEST            : Mutation test systems - not otherwise specified
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 80 nmol/tube
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 147,79,1985
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 2 ug/plate
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            : Specific locus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 1 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 252,305,1991
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 100 ppm
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: 62,901,1979
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Yeast - Schizosaccharomyces pombe
DOSE/DURATION           : 5470 umol/L
REFERENCE :
   ADWMAX Abhandlungen der Deutschen Akademie der Wissenschaften zu Berlin,
   Klasse fuer Medizin. (Berlin, Ger. Dem. Rep.)  1950-68.  Discontinued.
   Volume(issue)/page/year: -,193,1962
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - rat Embryo
DOSE/DURATION           : 15 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: 67,1303,1981
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - rat Liver
DOSE/DURATION           : 10 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 97,359,1982
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 10 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 389,3,1997
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - mouse Fibroblast
DOSE/DURATION           : 80 ug/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: 67,1303,1981
 
TYPE OF TEST            : Host-mediated assay
TEST SYSTEM             : Rodent - mouse Bacteria - Salmonella typhimurium
DOSE/DURATION           : 355 mg/kg
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: 62,911,1979
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 1 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: 67,1303,1981
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 300 umol/L/1H
REFERENCE :
   BBRCA9 Biochemical and Biophysical Research Communications.  (Academic
   Press, Inc., 1 E. First St., Duluth, MN 55802)  V.1-    1959-
   Volume(issue)/page/year: 72,732,1976

                              *** REVIEWS ***
 
   ACGIH TLV-Animal carcinogen
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   ACGIH TLV-TWA 4.7 mg/m3 (2 ppm) (skin)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   TLV/BEI,1997

   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: 9,61,1975

   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: 9,61,1975

   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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 2 ppm (5 mg/m3) (skin)
   DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices
   (BEIs) booklet issues by American Conference of Governmental Industrial
   Hygienists (ACGIH), Cincinnati, OH, 1996  Volume(issue)/page/year:
   3,218,1971

   OSHA PEL (Gen Indu):8H TWA 2 ppm (5 mg/m3) (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1910.1000,1994

   OSHA PEL (Construc):8H TWA 2 ppm (5 mg/m3) (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1926.55,1994

   OSHA PEL (Shipyard):8H TWA 2 ppm (5 mg/m3) (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   29,1915.1000,1993

   OSHA PEL (Fed Cont):8H TWA 2 ppm (5 mg/m3) (skin)
   CFRGBR Code of Federal Regulations.  (U.S. Government Printing Office, Supt.
   of Documents, Washington, DC 20402)  Volume(issue)/page/year:
   41,50-204.50,1994

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 2 ppm (5 mg/m3);Skin;Carcinogen JAN 1993
   
   OEL-DENMARK:TWA 2 ppm (5 mg/m3);Skin;Carcinogen JAN 1993
   
   OEL-FINLAND:STEL 2 ppm (5 mg/m3);Skin;Carcinogen JAN 1993
   
   OEL-FRANCE;Carcinogen JAN 1993
   
   OEL-GERMANY;Carcinogen JAN 1993
   
   OEL-JAPAN:TWA 2 ppm (4.7 mg/m3);Skin JAN 1993
   
   OEL-THE NETHERLANDS:TWA 2 ppm (5 mg/m3);Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 2 ppm (5 mg/m3);Skin JAN 1993
   
   OEL-RUSSIA:TWA 2 ppm JAN 1993
   
   OEL-SWEDEN;Carcinogen JAN 1993
   
   OEL-SWITZERLAND:TWA 2 ppm (5 mg/m3);Skin;Carcinogen JAN 1993
   
   OEL-TURKEY:TWA 2 ppm (5 mg/m3);Skin JAN 1993
   
   OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
   
   OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH RECOMMENDED EXPOSURE LEVEL (REL) :
   NIOSH REL TO PROPYLENE IMINE-air:10H CA TWA 2 ppm (Sk)
REFERENCE :
   NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of
   Health, Education, and Welfare, Reports and Memoranda.
   Volume(issue)/page/year: DHHS #92-100,1992

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 08390
       No. of Facilities: 5 (estimated)
       No. of Industries: 1
       No. of Occupations: 2
       No. of Employees: 20 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat; SHE-clonal
   assay
   
   EPA GENETOX PROGRAM 1988, Positive: Cell transform.-RLV F344 rat embryo;
   Host-mediated assay
   
   EPA GENETOX PROGRAM 1988, Positive: E coli polA without S9; Histidine
   reversion-Ames test
   
   EPA GENETOX PROGRAM 1988, Positive: In vitro UDS-human fibroblast; S
   cerevisiae-homozygosis
   
   EPA GENETOX PROGRAM 1988, Positive: S pombe-reversion
   
   EPA GENETOX PROGRAM 1988, Positive/dose response: Cell transform.-BALB/c-3T3
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NTP 7th Annual Report on Carcinogens, 1992 : anticipated to be carcinogen

 
                            *** END OF RECORD ***