*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EL6475000
CHEMICAL NAME           : 2-Butanone
CAS REGISTRY NUMBER     : 78-93-3
LAST UPDATED            : 199712
DATA ITEMS CITED        : 64
MOLECULAR FORMULA       : C4-H8-O
MOLECULAR WEIGHT        : 72.12
WISWESSER LINE NOTATION : 2V1
COMPOUND DESCRIPTOR     : Mutagen
                          Reproductive Effector
                          Human
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Acetone, methyl-
   * Aethylmethylketon
   * Butanone
   * 2-Butanone
   * Butanone 2
   * 3-Butanone
   * Ethyl methyl cetone
   * Ethylmethylketon
   * Ketone, ethyl methyl
   * Meetco
   * MEK
   * Methyl acetone
   * Methyl ethyl ketone
   * Metiletilchetone
   * Metyloetyloketon
   * RCRA waste number U159
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Human
DOSE/DURATION           : 350 ppm
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 25,282,1943
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Moderate
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 25,282,1943
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 402 mg/24H
REACTION SEVERITY       : Mild
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   19,276,1971
 
TYPE OF TEST            : Open irritation test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 13780 ug/24H
REACTION SEVERITY       : Mild
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   23,95,1962
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 80 mg
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   19,276,1971
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 100 ppm/5M
TOXIC EFFECTS :
   Sense Organs and Special Senses (Olfaction) - effect, not otherwise
   specified
   Sense Organs and Special Senses (Eye) - conjunctive irritation
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 25,282,1943
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2737 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   19,699,1971
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 23500 mg/m3/8H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   20,364,1959
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 607 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ENVRAL Environmental Research.  (Academic Press, Inc., 1 E. First St.,
   Duluth, MN 55802) V.1-    1967-  Volume(issue)/page/year: 40,411,1986
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 4050 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TOLED5 Toxicology Letters.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1977-  Volume(issue)/page/year: 30,13,1986
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 32 gm/m3/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CUTOEX Current Toxicology.  (Nova Science Publishers, Inc., 6080 Jericho
   Turnpike, Suite 207, Commack, NY  11725)  V.1    1993-
   Volume(issue)/page/year: 1,47,1993
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 616 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SCCUR* Shell Chemical Company.  Unpublished Report.  (2401 Crow Canyon Rd.,
   San Romon, CA 94583)  Volume(issue)/page/year: -,6,1961
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 6480 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   SHELL* Shell Chemical Company.  (P.O. Box 4320, Houston, TX 77210)
   Volume(issue)/page/year: MSDS-5390-4
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Liver - other changes
   Immunological Including Allergic - other immediate (humoral): urticaria,
   allergic rhinitis, serum sickness
   Biochemical - Metabolism (Intermediary) - lipids including transport
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 15,627,1977
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Mammal - species unspecified
DOSE/DURATION           : 38 gm/m3
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 51(5),61,1986
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5000 ppm/6H/90D-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Kidney, Ureter, Bladder - urine volume increased
   Biochemical - Enzyme inhibition, induction, or change in blood or tissue
   levels - transaminases
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   3,264,1983
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 750 ppm/7H/7D-I
TOXIC EFFECTS :
   Liver - liver function tests impaired
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   41,285,1977
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Mammal - cat
DOSE/DURATION           : 55500 mg/kg/37W-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   37,301,1976
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 3000 ppm/7H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
   Reproductive - Specific Developmental Abnormalities - urogenital system
   Reproductive - Specific Developmental Abnormalities - homeostasis
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   28,452,1974
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 1000 ppm/7H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   28,452,1974
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 3000 ppm/7H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   16,742,1991
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 33800 ppm
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 149,339,1985

                              *** REVIEWS ***
 
   ACGIH TLV-STEL 885 mg/m3 (300 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

   ACGIH TLV-TWA 590 mg/m3 (200 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

   TOXICOLOGY REVIEW
   ECIET* European Chemical Industry Ecology and Toxicology Centre. Joint
   Assessment of Commodity Chemicals.  (Avenue Louise 250, B-63, B-1050
   Brussels, Belgium)  Volume(issue)/page/year: (3),-,1983

   TOXICOLOGY REVIEW
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: DE89-563

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

   MSHA STANDARD-air:TWA 200 ppm (590 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: 3,29,1971

   OSHA PEL (Gen Indu):8H TWA 200 ppm (590 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 200 ppm (590 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 200 ppm (590 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 200 ppm (590 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-AUSTRALIA:TWA 150 ppm (445 mg/m3);STEL 300 ppm (890 mg/m3) JAN 1993
   
   OEL-AUSTRIA:TWA 200 ppm (590 mg/m3) JAN 1993
   
   OEL-BELGIUM:TWA 200 ppm (590 mg/m3);STEL 300 ppm (885 mg/m3) JAN 1993
   
   OEL-DENMARK:TWA 100 ppm (290 mg/m3);Skin JAN 1993
   
   OEL-FINLAND:TWA 150 ppm (440 mg/m3);STEL 190 ppm;Skin JAN 1993
   
   OEL-FRANCE:TWA 200 ppm (600 mg/m3);Skin JAN 1993
   
   OEL-GERMANY:TWA 200 ppm (590 mg/m3) JAN 1993
   
   OEL-HUNGARY:TWA 200 mg/m3;STEL 600 mg/m3 JAN 1993
   
   OEL-INDIA:TWA 200 ppm (590 mg/m3);STEL 300 ppm (885 mg/m3) JAN 1993
   
   OEL-JAPAN:TWA 200 ppm (590 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 200 ppm (590 mg/m3) JAN 1993
   
   OEL-THE PHILIPPINES:TWA 200 ppm (590 mg/m3) JAN 1993
   
   OEL-POLAND:TWA 200 mg/m3 JAN 1993
   
   OEL-RUSSIA:TWA 200 ppm;STEL 200 mg/m3 JAN 1993
   
   OEL-SWEDEN:TWA 50 ppm (150 mg/m3);STEL 100 ppm (300 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 200 ppm (590 mg/m3);STEL 400 ppmJAN 1993
   
   OEL-TURKEY:TWA 200 ppm (590 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 200 ppm (590 mg/m3);STEL 300 ppm 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 METHYL ETHYL KETONE-air:10H TWA 200 ppm;STEL 300 ppm
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 - 13980
       No. of Facilities: 64013 (estimated)
       No. of Industries: 319
       No. of Occupations: 177
       No. of Employees: 801382 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 13980
       No. of Facilities: 87227 (estimated)
       No. of Industries: 318
       No. of Occupations: 208
       No. of Employees: 1447456 (estimated)
       No. of Female Employees: 245372 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: B subtilis rec assay
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULE
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   47,26992,82

   EPA TSCA Section 8(d) unpublished health/safety studies
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: Methyl ethyl ketone, 2500; in blood, 8002
   
   NIOSH Analytical Method, 1996: Volatile organic compound, 2549
   
   OSHA ANALYTICAL METHOD #16

 
                            *** END OF RECORD ***