*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : ER2450000
CHEMICAL NAME           : tert-Butyl peroxide
CAS REGISTRY NUMBER     : 110-05-4
LAST UPDATED            : 199710
DATA ITEMS CITED        : 16
MOLECULAR FORMULA       : C8-H18-O2
MOLECULAR WEIGHT        : 146.26
WISWESSER LINE NOTATION : 1X1&1&OOX1&1&1
COMPOUND DESCRIPTOR     : Tumorigen
                          Reproductive Effector
                          Primary Irritant
SYNONYMS/TRADE NAMES :
   * Bis(t-butyl)peroxide
   * Bis(1,1-dimethylethyl)peroxide
   * Cadox TBP
   * Di-tert-butylperoxid
   * Di-tert-butyl peroxide
   * Di-tert-butyl peroxyde
   * DTBP
   * Interox DTB
   * Kayabutyl D
   * Perbutyl D
   * Perossido di butile terziario
   * Peroxide, bis(1,1-dimethylethyl)
   * Peroxyde de butyle tertiaire
   * (Tributyl)peroxide
   * Trigonox B
 
                       *** 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           : 500 mg/24H
REACTION SEVERITY       : Mild
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,263,1986
 
TYPE OF TEST            : Rinsed with water
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 200 mg/1M
REACTION SEVERITY       : Mild
REFERENCE :
   ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz.  (Darmstadt, Fed.
   Rep. Ger.)  V.1-25, 1951-75.  Volume(issue)/page/year: 8,25,1958
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >25 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARCOC* ARCO Chemical Company Report.  (3801 West Chester Pike, Newton
   Square, PA 19073)  Volume(issue)/page/year: JUN1982
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >4100 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ARCOC* ARCO Chemical Company Report.  (3801 West Chester Pike, Newton
   Square, PA 19073)  Volume(issue)/page/year: JUN1982
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 3210 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           : 4572 mg/kg
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: -,43,1982
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >4103 ppm/4H
TOXIC EFFECTS :
   Behavioral - excitement
   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           : 105 gm/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
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Unreported
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 585 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
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 226 mg/m3/4H
SEX/DURATION            : female 1-19 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   GTPZAB Gigiena Truda i Professional'nye Zabolevaniya.  Labor Hygiene and
   Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR)
   V.1-36, 1957-1992. For publisher information, see MTPEEI
   Volume(issue)/page/year: 20(12),46,1976

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-RUSSIA:STEL 100 mg/m3 JAN 1993

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M0478
       No. of Facilities: 100 (estimated)
       No. of Industries: 3
       No. of Occupations: 5
       No. of Employees: 872 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M0478
       No. of Facilities: 1178 (estimated)
       No. of Industries: 26
       No. of Occupations: 30
       No. of Employees: 20561 (estimated)
       No. of Female Employees: 6371 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***