*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GU4850000
CHEMICAL NAME           : 2,5-Cyclohexadiene-delta(sup
                          1,alpha:4,alpha)-dimalononitrile
CAS REGISTRY NUMBER     : 1518-16-7
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C12-H4-N4
MOLECULAR WEIGHT        : 204.20
WISWESSER LINE NOTATION : L6Y DYJ AUYCN&CN DUYCN&CN
SYNONYMS/TRADE NAMES :
   * Propanedinitrile, 2,2'-(2,5-cyclohexadiene-1,4-diylidene)bis-
   * Quinodimethan, tetracyano-
   * TCNQ
   * Tetracyanoquinodimethan
   * Tetracyanoquinodimethan(e)
   * Tetracyano-p-quinodimethane
   * 7,7,8,8-Tetracyanoquinodimethane
   * 7,7',8,8'-Tetracyanoquinodimethane
 
                       *** 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           : 56 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#00796

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

 
                            *** END OF RECORD ***