*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DJ2365000
CHEMICAL NAME           : 4H-1-Benzopyran-2-carboxylic acid,
                          5,5'-((2-hydroxy-1,3-propanediyl)bis(oxy))bis(4-oxo-
CAS REGISTRY NUMBER     : 16110-51-3
LAST UPDATED            : 199606
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C23-H16-O11
MOLECULAR WEIGHT        : 468.39
COMPOUND DESCRIPTOR     : Drug
SYNONYMS/TRADE NAMES :
   * 4H-1-Benzopyran-2-carboxylic acid,  
   5,5'-((2-hydroxytrimethylene)dioxy)bis(4-oxo-
   * Cromoglicic acid
   * Cromoglycic acid
   * Cromolyn
 
                       *** 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           : >2150 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   USXXAM United States Patent Document.  (U.S. Patent Office, Box 9,
   Washington, DC 20231)  Volume(issue)/page/year: #4407810
 
                            *** END OF RECORD ***