*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UP8500000
CHEMICAL NAME           : 2H-Pyran-2,5(6H)-dione,
                          4-bromo-6-tert-butyl-3-hydroxy-6-methyl-
CAS REGISTRY NUMBER     : 26687-80-9
LAST UPDATED            : 198612
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C10-H13-Br-O4
MOLECULAR WEIGHT        : 277.14
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4-Bromo-6-tert-butyl-3-hydroxy-6-methyl-2H-pyran-2,5(6H)-dione
   * 2-Methyl-2-tert-butyl-ketolactone
   * Substance 86
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 2 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   PHMGBN Pharmacology: International Journal of Experimental and Clinical
   Pharmacology.  (S. Karger AG, Postfach CH-4009 Basel, Switzerland)  V.1-
   1968-  Volume(issue)/page/year: 4,152,1970
 
                            *** END OF RECORD ***