*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CB4585000
CHEMICAL NAME           : Anthra(1,9-cd)pyrazol-6(2H)-one
CAS REGISTRY NUMBER     : 129-56-6
BEILSTEIN REFERENCE NO. : 0746890
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C14-H8-N2-O
MOLECULAR WEIGHT        : 220.24
WISWESSER LINE NOTATION : T C6665 1A P IV OMNJ
SYNONYMS/TRADE NAMES :
   * C.I. 70300
   * Pyrazolanthrone
   * Pyrazoleanthrone
   * 1,9-Pyrazoloanthrone
 
                       *** 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           : 178 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#00640

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***