*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : QX1355000
CHEMICAL NAME           : Nitrogen oxide (NOx)
CAS REGISTRY NUMBER     : 11104-93-1
OTHER CAS REGISTRY NOS. : 11129-69-4
LAST UPDATED            : 199710
DATA ITEMS CITED        : 4
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 160 mg/m3/6H
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - dyspnea
   Blood - methemoglobinemia-carboxyhemoglobin
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 50(4),89,1985
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 30 mg/m3/6H/61D-I
TOXIC EFFECTS :
   Blood - methemoglobinemia-carboxyhemoglobin
   Blood - changes in erythrocyte (RBC) count
   Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 50(4),89,1985
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 14 mg/m3/6H/17W-I
TOXIC EFFECTS :
   Blood - pigmented or nucleated red blood cells
   Blood - methemoglobinemia-carboxyhemoglobin
   Blood - changes in erythrocyte (RBC) count
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 50(4),89,1985

                          *** STATUS IN U.S. ***
 
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***