CHEMICAL IDENTIFICATION
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RTECS NUMBER :
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EL9100000
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CHEMICAL NAME :
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2-Butanone, 3-methyl-
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CAS REGISTRY NUMBER :
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563-80-4
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LAST UPDATED :
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199712
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DATA ITEMS CITED :
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25
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MOLECULAR FORMULA :
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C5-H10-O
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MOLECULAR WEIGHT :
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86.15
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WISWESSER LINE NOTATION :
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1Y1&V1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
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TYPE OF TEST :
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Standard Draize test
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ROUTE OF EXPOSURE :
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Administration onto the skin
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SPECIES OBSERVED :
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Rodent - rabbit
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TYPE OF TEST :
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Open irritation test
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ROUTE OF EXPOSURE :
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Administration onto the skin
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SPECIES OBSERVED :
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Rodent - rabbit
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TYPE OF TEST :
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Standard Draize test
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ROUTE OF EXPOSURE :
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Administration into the eye
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SPECIES OBSERVED :
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Rodent - rabbit
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TYPE OF TEST :
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Standard Draize test
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ROUTE OF EXPOSURE :
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Administration into the eye
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SPECIES OBSERVED :
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Rodent - rabbit
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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148 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LCLo - Lowest published lethal concentration
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ROUTE OF EXPOSURE :
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Inhalation
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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5700 ppm/4H
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - rat
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DOSE/DURATION :
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800 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Oral
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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2572 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Intraperitoneal
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SPECIES OBSERVED :
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Rodent - mouse
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DOSE/DURATION :
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200 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
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TYPE OF TEST :
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LD50 - Lethal dose, 50 percent kill
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ROUTE OF EXPOSURE :
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Administration onto the skin
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SPECIES OBSERVED :
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Rodent - rabbit
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DOSE/DURATION :
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6350 mg/kg
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TOXIC EFFECTS :
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Details of toxic effects not reported other than lethal dose value
MUTATION DATA
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TYPE OF TEST :
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Gene conversion and mitotic recombination
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TEST SYSTEM :
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Yeast - Saccharomyces cerevisiae
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REFERENCE :
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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-TWA 705 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 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 200 ppm (705 mg/m3) JAN 1993 OEL-BELGIUM:TWA 200 ppm (705 mg/m3) JAN 1993 OEL-DENMARK:TWA 200 ppm (705 mg/m3) JAN 1993 OEL-FINLAND:TWA 200 ppm (700 mg/m3);STEL 250 ppm (875 mg/m3) JAN 1993 OEL-FRANCE:TWA 200 ppm (705 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 200 ppm (705 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 200 ppm (720 mg/m3) 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 ISOPROPYL KETONE-air:10H TWA 200 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 - 83768 No. of Facilities: 68 (estimated) No. of Industries: 3 No. of Occupations: 7 No. of Employees: 1055 (estimated)
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