*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NP6600000
CHEMICAL NAME           : 5-Isobenzofurancarboxylic acid,
                          1,3-dihydro-1,3-dioxo-,
                          2-((2-methyl-1-oxo-2-propenyl)oxy) ethyl ester
CAS REGISTRY NUMBER     : 70293-55-9
OTHER CAS REGISTRY NOS. : 85257-14-3
LAST UPDATED            : 199106
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C15-H12-O7
MOLECULAR WEIGHT        : 304.27
SYNONYMS/TRADE NAMES :
   * 4-Meta
   * 4-Methacryloxyethyl trimellitate anhydride
   * 4-Methacryloxyethyltrimellitic acid anhydride
 
                       *** 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           : >2 gm/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 67,334,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 987 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - other changes
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 67,334,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Skin and Appendages - corrosive (after topical exposure)
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 67,334,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Gastrointestinal - hypermotility, diarrhea
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 67,334,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 652 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Gastrointestinal - other changes
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 67,334,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >2 gm/kg
TOXIC EFFECTS :
   Skin and Appendages - corrosive (after topical exposure)
REFERENCE :
   SHIGAZ Shigaku.  Ondotology.  (Nippon Shika Daigaku Shigakkai, 1-9-20
   Fujimi, Chiyodaku, Tokyo 102, Japan)  V.38-    1949-
   Volume(issue)/page/year: 67,334,1979
 
                            *** END OF RECORD ***