*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OZ4800000
CHEMICAL NAME           : Methacrylic acid, isobutylene ester
CAS REGISTRY NUMBER     : 63869-10-3
LAST UPDATED            : 199612
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C12-H18-O4
MOLECULAR WEIGHT        : 226.30
WISWESSER LINE NOTATION : 1UY1&VOY1&2OVY1&U1
SYNONYMS/TRADE NAMES :
   * 1,3-Butanediol, dimethacrylate
   * 1,3-Butylene dimethacrylate
   * Methacrylic acid, 1,3-butylene ester (2:1)
   * Methacrylic acid, 1-methyl-1,3-propylene ester
   * Methacrylic acid, 3-methyl-1,3-propylene ester
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 5700 uL/kg
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 - rat
DOSE/DURATION           : 4 mL/kg
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            : LC - Lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >890 mg/m3/4H
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           : 3598 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           : 359 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

                              *** 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

 
                            *** END OF RECORD ***