*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : CZ1925000
CHEMICAL NAME           : 1,4-Benzenedicarbonitrile
CAS REGISTRY NUMBER     : 623-26-7
LAST UPDATED            : 199710
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C8-H4-N2
MOLECULAR WEIGHT        : 128.14
WISWESSER LINE NOTATION : NCR DCN
COMPOUND DESCRIPTOR     : Primary Irritant
SYNONYMS/TRADE NAMES :
   * 1,4-Benzendikarbonitril
   * p-Benzenedinitrile
   * 4-Cyanobenzonitrile
   * p-Dicyanobenzene
   * 1,4-Dicyanobenzene
   * Nitril kyseliny tereftalove
   * p-Phthalodinitrile
   * Tereftalodinitril
   * Tereftalonitril
   * Terephthalodinitril
   * Terephthalonitrile
 
                       *** HEALTH HAZARD DATA ***
 
                      ** SKIN/EYE IRRITATION DATA **
 
TYPE OF TEST            : Standard Draize test
ROUTE OF EXPOSURE       : Administration into the eye
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 500 mg/24H
REACTION SEVERITY       : Mild
REFERENCE :
   85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J.,
   Prague, Czechoslovakia, Avicenum, 1986  Volume(issue)/page/year: -,905,1986
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : >6400 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ZAARAM Zentralblatt fuer Arbeitsmedizin und Arbeitsschutz.  (Darmstadt, Fed.
   Rep. Ger.)  V.1-25, 1951-75.  Volume(issue)/page/year: 19,225,1969
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4004 mg/kg
TOXIC EFFECTS :
   Sense Organs and Special Senses (Eye) - ptosis
   Behavioral - muscle weakness
   Lungs, Thorax, or Respiration - acute pulmonary edema
REFERENCE :
   APFRAD Annales Pharmaceutiques Francaises.  (SPPIF, B.P.22, F-41353 Vineuil,
   France)  V.1-    1943-  Volume(issue)/page/year: 48,23,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : >300 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JMCMAR Journal of Medicinal Chemistry.  (American Chemical Soc.,
   Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC
   20037)  V.6-    1963-  Volume(issue)/page/year: 21,906,1978
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 699 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   INHEAO Industrial Health.  (National Institute of Industrial Health, 6-21-1
   Nagao, Tama-ku, Kawasaki, 213 Japan)  V.1-    1963- Volume(issue)/page/year:
   4,11,1966

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***