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MSDS  : Methacrylic acid, isobutyl ester
CAS  : 97-86-9
SYNONYMS  : * Isobutylester kyseliny methakrylove * Isobutyl alpha-methacrylate * 2-Methylpropyl methacrylate * 2-Propenoic acid, 2-methyl-, 2-methylpropyl ester
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : OZ4900000
CHEMICAL NAME : Methacrylic acid, isobutyl ester
CAS REGISTRY NUMBER : 97-86-9
BEILSTEIN REFERENCE NO. : 1747595
REFERENCE : 4-02-00-01526 (Beilstein Handbook Reference)
LAST UPDATED : 199806
DATA ITEMS CITED : 16
MOLECULAR FORMULA : C8-H14-O2
MOLECULAR WEIGHT : 142.22
WISWESSER LINE NOTATION : 1Y1&1OVY1&U1
COMPOUND DESCRIPTOR : Drug
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Isobutylester kyseliny methakrylove
* Isobutyl alpha-methacrylate
* 2-Methylpropyl methacrylate
* 2-Propenoic acid, 2-methyl-, 2-methylpropyl ester

*** 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
SPECIES OBSERVED : Rodent - rat
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
SPECIES OBSERVED : Rodent - rat
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)

*** STATUS IN U.S. ***

EPA TSCA Section 8(b) CHEMICAL INVENTORY

EPA TSCA 8(a) PRELIMINARY ASSESSMENT INFORMATION, FINAL RULE
FEREAC Federal Register. (U.S. Government Printing Office, Supt. of
Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year:
47,26992,82

EPA TSCA Section 8(d) unpublished health/safety studies

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998


*** END OF RECORD ***
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NAMECAS
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Methacrylic acid, 2-(dimethylamino)ethyl ester 2867-47-2
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Methacrylic acid, 2,3-epoxypropyl ester 106-91-2
Methacrylic acid, ester with ethyl glycolate 20363-83-1
Methacrylic acid, ester with hydracryonitrile 4513-53-5
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Methacrylic acid, ethylene ester 97-90-5
Methacrylic acid, ethyl ester 97-63-2
Methacrylic acid, 2-ethylhexyl ester 688-84-6
Methacrylic acid, 2-(ethylthio)ethyl ester 14216-25-2
Methacrylic acid, 2-hydroxyethyl ester 868-77-9
Methacrylic acid, 2-hydroxypropyl ester 923-26-2
Methacrylic acid, isobutylene ester 63869-10-3
Methacrylic acid, isobutyl ester 97-86-9
Metharcylic acid, 2-isocyanatoethyl ester 30674-80-7
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Methacrylic acid, isodecyl ester 29964-84-9
Methacrylic acid, isopropyl ester 4655-34-9
Methacrylic acid, methyl ester 80-62-6
Methacrylic acid, methyl ester, polymer with butylacrylate and styrene 80-62-6
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Methacrylic acid, polymer with methyl methacrylate,sodium monoethanolamine salt 82153-85-3
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Methacrylic acid, polymer with(+-)-N-(alpha-methylphenethyl)methacrylamide 101710-76-3
Methacrylic acid, polymer withN-phenethylmethacrylamide 37129-92-3
Methacrylic acid, propyl ester 2210-28-8
Methacrylic acid, 2-(vinyloxy)ethyl ester 1464-69-3
Methacrylic anhydride 760-93-0
Methacryloyl chloride 920-46-7
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