*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : RA1050000
CHEMICAL NAME           : Nitrous acid, methyl ester
CAS REGISTRY NUMBER     : 624-91-9
LAST UPDATED            : 199707
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C-H3-N-O2
MOLECULAR WEIGHT        : 61.05
WISWESSER LINE NOTATION : ONO1
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Methylester kyseliny dusite
 
                       *** 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           : 176 ppm/4H
TOXIC EFFECTS :
   Behavioral - altered sleep time (including change in righting reflex)
   Behavioral - excitement
   Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
   FAATDF Fundamental and Applied Toxicology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1981-  Volume(issue)/page/year:
   8,101,1987
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 100 ppm
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 117,47,1983

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

 
                            *** END OF RECORD ***