*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : OO3741500
CHEMICAL NAME           : Malononitrile,
                          (3,4-dihydro-2,5-dimethyl-2H-pyran-2-yl)methylene-
CAS REGISTRY NUMBER     : 101756-28-9
LAST UPDATED            : 198609
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C11-H12-N2-O
MOLECULAR WEIGHT        : 188.25
WISWESSER LINE NOTATION : T6O BUTJ C1 F1UYCN&CN F1
SYNONYMS/TRADE NAMES :
   * (3,4-Dihydro-2,5-dimethyl-2H-pyran-2-yl)methylenemalononitrile
   * 2,5-Dimethyl-3,4-dihydro-2H-pyran-2-methylenemalononitrile
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 5600 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
   Laboratory, NIOSH Exchange Chemicals.  (Aberdeen Proving Ground, MD 21010)
   Volume(issue)/page/year: NX#08124
 
                            *** END OF RECORD ***