CAS 563-80-4|3-Methyl-2-butanone

CHEMICAL IDENTIFICATION

RTECS NUMBER :

EL9100000

CHEMICAL NAME :

2-Butanone, 3-methyl-

CAS REGISTRY NUMBER :

563-80-4

LAST UPDATED :

199712

DATA ITEMS CITED :

25

MOLECULAR FORMULA :

C5-H10-O

MOLECULAR WEIGHT :

86.15

WISWESSER LINE NOTATION :

1Y1&V1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Open irritation test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

148 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

5700 ppm/4H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

800 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

2572 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

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

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

DOSE/DURATION :

6350 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

MUTATION DATA

TYPE OF TEST :

Gene conversion and mitotic recombination

TEST SYSTEM :

Yeast - Saccharomyces cerevisiae

REFERENCE :

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)

Biodegradation 2(1) , 33-41, (1991)

Strictly anaerobic bacteria were enriched and isolated from freshwater sediment sources in the presence and absence of sulfate with sorbic acid as sole source of carbon and energy. Strain WoSo1, a Gra...

J. Pharm. Sci. 71(9) , 1052-4, (1982)

Arch. Environ. Contam. Toxicol. 52(3) , 283-93, (2007)

Frequently the toxicity of an organic chemical mixture is close to dose-additive, even when the agents are thought to induce toxicity at different molecular sites of action. These findings appear to c...