*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : UR6005000
CHEMICAL NAME           : 3,6-Pyridazinedione, 1,2-dihydro-, monopotassium salt
CAS REGISTRY NUMBER     : 28382-15-2
LAST UPDATED            : 199410
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C4-H4-N2-O2.K
MOLECULAR WEIGHT        : 151.20
COMPOUND DESCRIPTOR     : Agricultural Chemical
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 1,2-Dihydro-3,6-pyridazinedione monopotassium salt
   * Maleic hydrazide potassium salt
   * Potassium maleic hydrazide
   * Royal MH
 
                       *** 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           : 3900 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   FMCHA2 Farm Chemicals Handbook.  (Meister Pub., 37841 Euclid Ave.,
   Willoughy, OH 44094)  Volume(issue)/page/year: -,C188,1991
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 50 mg/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 66,247,1979
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 20 gm/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 67,249,1979

                    *** U.S. STANDARDS AND REGULATIONS ***
 
   EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION
   FEREAC Federal Register.  (U.S. Government Printing Office, Supt. of
   Documents, Washington, DC 20402) V.1-    1936-  Volume(issue)/page/year:
   54,7740,1989

 
                            *** END OF RECORD ***