*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : TZ5250000
CHEMICAL NAME           : Propane, 2-nitro-
CAS REGISTRY NUMBER     : 79-46-9
LAST UPDATED            : 199712
DATA ITEMS CITED        : 65
MOLECULAR FORMULA       : C3-H7-N-O2
MOLECULAR WEIGHT        : 89.11
WISWESSER LINE NOTATION : WNY1&1
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Tumorigen
                          Mutagen
                          Reproductive Effector
                          Human
SYNONYMS/TRADE NAMES :
   * Dimethylnitromethane
   * Isonitropropane
   * Nipar S-20
   * Nipar S-20 solvent
   * Nipar S-30 solvent
   * Nitroisopropane
   * beta-Nitropropane
   * 2-Nitropropane
   * 2-NP
   * RCRA waste number U171
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human - man
DOSE/DURATION           : 20 ppm
TOXIC EFFECTS :
   Behavioral - anorexia (human)
   Gastrointestinal - hypermotility, diarrhea
   Gastrointestinal - nausea or vomiting
REFERENCE :
   INMEAF Industrial Medicine.  (Chicago, IL)  V.1-18, 1932-49.  For publisher
   information, see IOHSA5.  Volume(issue)/page/year: 16,441,1947
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 720 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   34ZIAG "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York,
   Academic Press, Inc., 1969  Volume(issue)/page/year: -,430,1969
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 400 ppm/6H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JEPTDQ Journal of Environmental Pathology and Toxicology.  (Park Forest
   South, IL)  V.1-5(3), 1977-81(?).  For publisher information, see JEPOEC.
   Volume(issue)/page/year: 2(5),233,1979
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1100 mg/kg
TOXIC EFFECTS :
   Blood - methemoglobinemia-carboxyhemoglobin
REFERENCE :
   BSPLA9 Bulletin de la Societe de Pharmacie de Lille.  (Societe de Pharmacie
   du Lille, 3, rue du Professeur Laguesse, 59045 Lille, Franch)  V.1- 1945- 
   Volume(issue)/page/year: (2),83,1972
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 10 gm/m3/2H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single
   Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects,
   GKNT, 1982  Volume(issue)/page/year: -,94,1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 75 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: AD691-490
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 714 ppm/5H
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - lacrimation
   Lungs, Thorax, or Respiration - dyspnea
   Gastrointestinal - changes in structure or function of salivary glands
REFERENCE :
   AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
   (Chicago, IL)  V.2-10, 1950-54. For publisher information, see AEHLAU.
   Volume(issue)/page/year: 5,52,1952
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - ataxia
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 22,315,1940
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 2381 ppm/5H
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
   Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
   AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
   (Chicago, IL)  V.2-10, 1950-54. For publisher information, see AEHLAU.
   Volume(issue)/page/year: 5,52,1952
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 4622 ppm/5H
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
   Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
   AMIHBC AMA Archives of Industrial Hygiene and Occupational Medicine.
   (Chicago, IL)  V.2-10, 1950-54. For publisher information, see AEHLAU.
   Volume(issue)/page/year: 5,52,1952
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4277 mg/kg/16W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 8,1947,1987
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 207 ppm/7H/26W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   JEPTDQ Journal of Environmental Pathology and Toxicology.  (Park Forest
   South, IL)  V.1-5(3), 1977-81(?).  For publisher information, see JEPOEC.
   Volume(issue)/page/year: 2(5),233,1979
 
TYPE OF TEST            : TC - Toxic concentration (other than lowest)
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 207 ppm/26W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Liver - tumors
REFERENCE :
   XPHCI* U.S. Public Health Service, Current Intelligence Bulletin. (National
   Institute for Occupational Safety and Health, 5600 Fishers Lane, Rockville,
   MD 20857)  Volume(issue)/page/year: 25APR1977
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 2550 mg/kg
SEX/DURATION            : female 1-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - cardiovascular
   (circulatory) system
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   48,A35,1979
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 2550 mg/kg
SEX/DURATION            : female 1-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   SWEHDO Scandinavian Journal of Work, Environment and Health. (Haartmaninkatu
   1, SF-00290 Helsinki, 29, Finland)  V.1-    1975- Volume(issue)/page/year:
   7(Suppl 4),66,1981
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 25 umol/L
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   13,341,1989
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 1 mg/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 5(Suppl
   1),3,1983
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 50 mg/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 104,49,1982
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 2500 ug/plate
REFERENCE :
   SAIGBL Sangyo Igaku.  Japanese Journal of Industrial Health.  (Nippon Sangyo
   Eisei Igakkai, Kosu Eisei Bldg., 1-29-8, Shinjuku, Shinjuku-ku, Tokyo 160,
   Japan)  V.1-    1959-  Volume(issue)/page/year: 29,34,1987
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 60 mmol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 190,217,1987
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 7500 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 190,217,1987
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 25 mg/kg
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 10,2329,1989
 
TYPE OF TEST            : DNA repair
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 20 mg/kg
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 9,811,1988
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Rodent - rat Liver
DOSE/DURATION           : 30 umol/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 9,811,1988
 
TYPE OF TEST            : DNA damage
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 44555 ug/kg
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   57,61,1991
 
TYPE OF TEST            : DNA damage
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 100 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 391,165,1997
 
TYPE OF TEST            : Unscheduled DNA synthesis
TEST SYSTEM             : Rodent - rat Liver
DOSE/DURATION           : 1 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 221,263,1989
 
TYPE OF TEST            : Unscheduled DNA synthesis
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 20 mg/kg
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 9,811,1988
 
TYPE OF TEST            : Unscheduled DNA synthesis
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 50 mg/kg
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 10,2329,1989

                              *** 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 36 mg/m3 (10 ppm)
   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: 29,331,1982

   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: 29,331,1982

   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 25 ppm (90 mg/m3)
   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:
   3,188,1971

   OSHA PEL (Gen Indu):8H TWA 25 ppm (90 mg/m3)
   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 25 ppm (90 mg/m3)
   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 25 ppm (90 mg/m3)
   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 25 ppm (90 mg/m3)
   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-DENMARK:TWA 10 ppm (36 mg/m3) JAN 1993
   
   OEL-FINLAND:TWA 5 ppm (18 mg/m3);STEL 40 ppm (150 mg/m3) JAN 1993
   
   OEL-FRANCE;Carcinogen JAN 1993
   
   OEL-GERMANY;Carcinogen JAN 1993
   
   OEL-THE NETHERLANDS:TWA 1 ppm (3.6 mg/m3);STEL 2 ppm (7.2 mg/m3) JAN 1993
   
   OEL-THE PHILIPPINES:TWA 25 ppm (90 mg/m3) JAN 1993
   
   OEL-SWEDEN:TWA 10 ppm (35 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 5 ppm (18 mg/m3);Carcinogen JAN 1993
   
   OEL-TURKEY:TWA 25 ppm (90 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 10 ppm (26 mg/m3);STEL 30 ppm (72 mg/m3) 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 2-NITROPROPANE-air:CA lowest feasible conc.
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 - 51090
       No. of Facilities: 2335 (estimated)
       No. of Industries: 57
       No. of Occupations: 42
       No. of Employees: 29842 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 51090
       No. of Facilities: 345 (estimated)
       No. of Industries: 15
       No. of Occupations: 19
       No. of Employees: 9818 (estimated)
       No. of Female Employees: 1817 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat
   
   EPA GENETOX PROGRAM 1988, Inconclusive: Mammalian micronucleus
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH CURRENT INTELLIGENCE BULLETIN 17, 1977
   
   NIOSH Analytical Method, 1994: 2-Nitropropane, 2528
   
   NTP 7th Annual Report on Carcinogens, 1992 : anticipated to be carcinogen
   
   OSHA ANALYTICAL METHOD #46
   
   OSHA ANALYTICAL METHOD #15, SUPERSEDED BY #46

 
                            *** END OF RECORD ***