*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : NQ9210000
CHEMICAL NAME           : Isocyanic acid, 4-(p-isocyanatobenzyl)-m-phenylene
                          ester
CAS REGISTRY NUMBER     : 51944-41-3
LAST UPDATED            : 198609
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C16-H9-N3-O3
MOLECULAR WEIGHT        : 291.28
WISWESSER LINE NOTATION : OCNR D1R BNCO DNCO
SYNONYMS/TRADE NAMES :
   * 2-Cyanatodiphenylmethanediisocyanate
   * 4-Cyanatodiphenylmethanediisocyanate
   * 2,2',4-Tricyanatodiphenylmethane
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 20 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 15,128,1979
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 25 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   TPKVAL Toksikologiya Novykh Promyshlennykh Khimicheskikh Veshchestv.
   Toxicology of New Industrial Chemical Substances.  For English translation,
   see TNICS*.  (Izdatel'stvo Meditsina, Moscow, USSR)  No.1-    1961-
   Volume(issue)/page/year: 15,128,1979
 
                            *** END OF RECORD ***