*** 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 ***