*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : GU1805000
CHEMICAL NAME           : 3-Cyclobutene-1,2-dione, 3-hydroxy-, potassium salt,
                          hydrate
CAS REGISTRY NUMBER     : 52591-22-7
LAST UPDATED            : 199503
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C4-H-O3.K.H2-O
MOLECULAR WEIGHT        : 154.17
WISWESSER LINE NOTATION : L4VVJ CO &-KA- &QH
COMPOUND DESCRIPTOR     : Natural Product
SYNONYMS/TRADE NAMES :
   * 1-Hydroxycyclobut-1-ene-3,4-dione potassium salt hydrate
   * Moniliformin potassium salt
   * Semisquaric acid potassium salt
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 17510 ug/kg
TOXIC EFFECTS :
   Cardiac - cardiomegaly
   Cardiac - change in force of contraction
REFERENCE :
   CHHTAT Zhonghua Yixue Zazhi.  Chinese Medical Journal.  (China International
   Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1-    1915-   
   Suspended 1967-72.  Volume(issue)/page/year: 70,621,1990
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 47600 ug/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEMIDF Applied and Environmental Microbiology.  (American Soc. for
   Microbiology, 1913 I St., NW, Washington, DC 20006)  V.31-    1976-
   Volume(issue)/page/year: 40,1142,1980
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 21 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   AEMIDF Applied and Environmental Microbiology.  (American Soc. for
   Microbiology, 1913 I St., NW, Washington, DC 20006)  V.31-    1976-
   Volume(issue)/page/year: 37,11,1979
 
                            *** END OF RECORD ***