*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : AI2380000
CHEMICAL NAME           : Acetic acid,
                          (4-hydroxy-2-oxo-2H-1-benzopyran-3-yl)(4-oxo-4H-1-ben
                          zopyran-3-yl)-, ethyl ester
CAS REGISTRY NUMBER     : 2183-16-6
BEILSTEIN REFERENCE NO. : 1332696
LAST UPDATED            : 199612
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C22-H16-O7
MOLECULAR WEIGHT        : 392.38
SYNONYMS/TRADE NAMES :
   * Ethyl chromonyl-(3)4'-hydroxycoumarinyl-(3')-acetate
   * Ethylesteru kyseliny (chromonyl-3)-(4-hydroxykumarinyl-3)-octove
   * (4-Hydroxy-2-oxo-2H-1-benzopyran-3-yl)(4-oxo-4H-1-benzopyran-3-yl)acetic  
   acid ethyl ester
 
                       *** 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           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CKFRAY Ceskoslovenska Farmacie.  (PNS-Ustredni Expedice a Dovoz Tisku,
   Kafkova 19, 160 00 Prague 6, Czechoslovakia)  V.1-    1952-
   Volume(issue)/page/year: 4,169,1955
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 800 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CKFRAY Ceskoslovenska Farmacie.  (PNS-Ustredni Expedice a Dovoz Tisku,
   Kafkova 19, 160 00 Prague 6, Czechoslovakia)  V.1-    1952-
   Volume(issue)/page/year: 4,169,1955
 
                            *** END OF RECORD ***