*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : WG9880000
CHEMICAL NAME           : Spiro(2H-1-benzopyran-2,2'-2H-naphtho(2,3-b)pyran),
                          6-nitro-3'-methyl-
CAS REGISTRY NUMBER     : 73928-06-0
LAST UPDATED            : 198403
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C22-H15-N-O4
MOLECULAR WEIGHT        : 357.38
WISWESSER LINE NOTATION : T C666 DOXJ F1 E-& CT66 BOXJ HNW
SYNONYMS/TRADE NAMES :
   * 6'-Nitro-3-methylspiro(2H-1-b-naphtho-pyran-2,2'-(2'H-1'-benzopyran))
 
                       *** 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           : 180 mg/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#00688
 
                            *** END OF RECORD ***