*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GW1750000
CHEMICAL NAME           : Cyclohexanone, 2-methyl-
CAS REGISTRY NUMBER     : 583-60-8
LAST UPDATED            : 199712
DATA ITEMS CITED        : 30
MOLECULAR FORMULA       : C7-H12-O
MOLECULAR WEIGHT        : 112.19
WISWESSER LINE NOTATION : L6VTJ B1
SYNONYMS/TRADE NAMES :
   * 2-Methyl-cyclohexanon
   * alpha-Methylcyclohexanone
 
                       *** 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           : 2140 uL/kg
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:
   30,470,1969
 
TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2800 ppm/4H
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:
   30,470,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 200 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            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 270 mg/kg
TOXIC EFFECTS :
   Cardiac - change in rate
   Vascular - BP lowering not characterized in autonomic section
REFERENCE :
   COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences.
   (Paris, France)  V.1-261, 1835-1965.  For publisher information, see CRASEV.
    Volume(issue)/page/year: 236,633,1953
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 1770 uL/kg
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:
   30,470,1969

                              *** REVIEWS ***
 
   ACGIH TLV-STEL 344 mg/m3 (75 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

   ACGIH TLV-TWA 229 mg/m3 (50 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

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   MSHA STANDARD-air:TWA 50 ppm (230 mg/m3) (skin)
   DTLWS* "Documentation of the Threshold Limit Values for Substances in
   Workroom Air," Supplements. For publisher information, see 85INA8.
   Volume(issue)/page/year: 3,23,1973

   OSHA PEL (Gen Indu):8H TWA 100 ppm (460 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 100 ppm (460 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 100 ppm (460 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 100 ppm (460 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 50 ppm (230 mg/m3);STEL 75 ppm;Skin JAN 1993
   
   OEL-BELGIUM:TWA 50 ppm (229 mg/m3);STEL 75 ppm (344 mg/m3);Skin JAN 1993
   
   OEL-DENMARK:TWA 50 ppm (230 mg/m3);Skin JAN 1993
   
   OEL-FINLAND:TWA 50 ppm (230 mg/m3);STEL 75 ppm (345 mg/m3);Skin JAN 1993
   
   OEL-FRANCE:TWA 50 ppm (230 mg/m3);Skin JAN 1993
   
   OEL-GERMANY:TWA 50 ppm (230 mg/m3);Skin JAN 1993
   
   OEL-JAPAN:TWA 50 ppm (230 mg/m3);Skin JAN 1993
   
   OEL-THE NETHERLANDS:TWA 50 ppm (230 mg/m3);Skin JAN 1993
   
   OEL-THE PHILIPPINES:TWA 100 ppm (460 mg/m3);Skin JAN 1993
   
   OEL-RUSSIA:TWA 50 ppm JAN 1993
   
   OEL-SWITZERLAND:TWA 50 ppm (230 mg/m3);STEL 100 ppm;Skin JAN 1993
   
   OEL-TURKEY:TWA 100 ppm (460 mg/m3);Skin JAN 1993
   
   OEL-UNITED KINGDOM:TWA 50 ppm (230 mg/m3);STEL 75 ppm;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 THE CHEMICAL-air:10H TWA 50 ppm (Sk);STEL 75 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

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   NIOSH Analytical Method, 1994: Methylcyclohexanone, 2521

 
                            *** END OF RECORD ***