*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EL9450000
CHEMICAL NAME           : 2-Butanone, peroxide
CAS REGISTRY NUMBER     : 1338-23-4
LAST UPDATED            : 199712
DATA ITEMS CITED        : 31
MOLECULAR FORMULA       : C8-H16-O4
MOLECULAR WEIGHT        : 176.24
WISWESSER LINE NOTATION : 1V2OO2V1
COMPOUND DESCRIPTOR     : Tumorigen
                          Human
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Butanox LPT
   * Butanox M 50
   * Butanox M 105
   * Chaloxyd MEKP-HA 1
   * Chaloxyd MEKP-LA 1
   * Esperfoam FR
   * Ethyl methyl ketone peroxide
   * FR 222
   * HI-Point 90
   * HI-Point 180
   * HI-Point PD-1
   * Kayamek A
   * Kayamek M
   * Ketonox
   * Lucidol DDM 9
   * Lucidol Delta X
   * Lupersol DDA 30
   * Lupersol DDM
   * Lupersol Delta X
   * Lupersol DNF
   * Lupersol DSW
   * MEK peroxide
   * MEKPO
   * Mepox
   * Methyl ethyl ketone hydroperoxide
   * Methyl ethyl ketone peroxide
   * Methylethylketonhydroperoxide
   * NCI-C55447
   * Permek G
   * Permek N
   * Quickset Extra
   * Quickset super
   * RCRA waste number U160
   * Sprayset MEKP
   * Superox 46-710
   * Thermacure
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 3 mg
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Human
DOSE/DURATION           : 480 mg/kg
TOXIC EFFECTS :
   Gastrointestinal - changes in structure or function of esophagus
   Gastrointestinal - nausea or vomiting
   Gastrointestinal - other changes
REFERENCE :
   NCPBBY National Clearinghouse for Poison Control Centers, Bulletin.  (U.S.
   Department of Health, Education, and Welfare, Washington, DC)
   Volume(issue)/page/year: Jan/Feb,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 484 mg/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:
   19,205,1958
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 ppm/4H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 65 mg/kg
TOXIC EFFECTS :
   Behavioral - muscle weakness
   Behavioral - ataxia
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 470 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JAMAAP JAMA, Journal of the American Medical Association.  (AMA, 535 N.
   Dearborn St., Chicago, IL 60610)  V.1-    1883-  Volume(issue)/page/year:
   165,201,1957
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 170 ppm/4H
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2033 mg/kg/7W-I
TOXIC EFFECTS :
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
   Related to Chronic Data - death
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 273 mg/kg/7W-I
TOXIC EFFECTS :
   Related to Chronic Data - death
REFERENCE :
   AIHAAP American Industrial Hygiene Association Journal.  (AIHA, 475 Wolf
   Ledges Pkwy., Akron, OH 44311)  V.19-    1958-  Volume(issue)/page/year:
   19,205,1958
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 282 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Lungs, Thorax, or Respiration - tumors
   Blood - lymphoma, including Hodgkin's disease
REFERENCE :
   RARSAM Radiation Research, Supplement.  (New York, NY)  No.1-7, 1959-67.
   Discontinued.  Volume(issue)/page/year: 3,193,1963

                              *** REVIEWS ***
 
   ACGIH TLV-CL 1.5 mg/m3 (0.2 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

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-AUSTRALIA:TWA 0.2 ppm (1.5 mg/m3) JAN 1993
   
   OEL-BELGIUM:STEL 0.2 ppm (1.5 mg/m3) JAN 1993
   
   OEL-DENMARK:STEL 1 mg/m3 JAN 1993
   
   OEL-FINLAND:STEL 0.2 ppm (1.5 mg/m3);Skin JAN 1993
   
   OEL-FRANCE:STEL 0.2 ppm (1.5 mg/m3) JAN 1993
   
   OEL-THE NETHERLANDS:TWA 0.2 ppm (1.5 mg/m3) JAN 1993
   
   OEL-SWEDEN:STEL 0.2 ppm (1.5 mg/m3) JAN 1993
   
   OEL-SWITZERLAND:TWA 0.2 ppm (1.5 mg/m3) JAN 1993
   
   OEL-UNITED KINGDOM:TWA 0.2 ppm (1.5 mg/m3);STEL 0.2 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 PEROXIDE-air:CL 0.2 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 - 80105
       No. of Facilities: 2226 (estimated)
       No. of Industries: 29
       No. of Occupations: 31
       No. of Employees: 20053 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 80105
       No. of Facilities: 1879 (estimated)
       No. of Industries: 23
       No. of Occupations: 31
       No. of Employees: 25827 (estimated)
       No. of Female Employees: 6514 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   On EPA IRIS database
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
   
   NIOSH Analytical Method, 1994: Methyl ethyl ketone peroxide, 3508
   
   NTP Toxicity studies, RPT# TOX-18, October 1997

 
                            *** END OF RECORD ***