CAS 97-86-9|Isobutyl methacrylate

CHEMICAL IDENTIFICATION

RTECS NUMBER :

OZ4900000

CHEMICAL NAME :

Methacrylic acid, isobutyl ester

CAS REGISTRY NUMBER :

97-86-9

BEILSTEIN REFERENCE NO. :

1747595

LAST UPDATED :

199806

DATA ITEMS CITED :

16

MOLECULAR FORMULA :

C8-H14-O2

MOLECULAR WEIGHT :

142.22

WISWESSER LINE NOTATION :

1Y1&1OVY1&U1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

200 gm/m3/4H

TOXIC EFFECTS :

Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - acute pulmonary edema

REFERENCE :

NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0535667

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

11990 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 11,125,1982

TYPE OF TEST :

LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :

Inhalation

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

29740 mg/m3/5H

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

JBMRBG Journal of Biomedical Materials Research. (John Wiley & Sons, Inc., 605 Third Ave., New York, NY 10158) V.1- 1967- Volume(issue)/page/year: 8,11,1974

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1340 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 62,778,1973

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Mammal - dog

DOSE/DURATION :

134 uL/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

JPMSAE Journal of Pharmaceutical Sciences. (American Pharmaceutical Assoc., 2215 Constitution Ave., NW, Washington, DC 20037) V.50- 1961- Volume(issue)/page/year: 63,376,1974 ** REPRODUCTIVE DATA **

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

1401 mg/kg

SEX/DURATION :

female 5-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants)

REFERENCE :

JDREAF Journal of Dental Research. (International Assoc. for Dental Research, 734 15th St., NW, Suite 809, Washington, DC 20005) V.1- 1919- Volume(issue)/page/year: 51,1632,1972

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Intraperitoneal

DOSE :

420 mg/kg

SEX/DURATION :

female 5-15 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - other developmental abnormalities

REFERENCE :

JDREAF Journal of Dental Research. (International Assoc. for Dental Research, 734 15th St., NW, Suite 809, Washington, DC 20005) V.1- 1919- Volume(issue)/page/year: 51,1632,1972 *** REVIEWS *** TOXICOLOGY REVIEW EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 11,141,1975 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 40 mg/m3 JAN 1993 OEL-SWEDEN:TWA 50 ppm (300 mg/m3);STEL 75 ppm (450 mg/m3) JAN 1993 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 81853 No. of Facilities: 918 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 3209 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 81853 No. of Facilities: 1321 (estimated) No. of Industries: 15 No. of Occupations: 13 No. of Employees: 9967 (estimated) No. of Female Employees: 1776 (estimated)

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