*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DJ2105000
CHEMICAL NAME           : 2H-1-Benzopyran
CAS REGISTRY NUMBER     : 254-04-6
BEILSTEIN REFERENCE NO. : 0109871
REFERENCE               : 5-17-02-00019 (Beilstein Handbook Reference)
LAST UPDATED            : 199803
DATA ITEMS CITED        : 1
MOLECULAR FORMULA       : C9-H8-O
MOLECULAR WEIGHT        : 132.17
WISWESSER LINE NOTATION : T66 BO CHJ
SYNONYMS/TRADE NAMES :
   * Benzopyran
   * 1,2-Benzopyran
   * delta-3-Chromene
   * 1,2-Chromene
   * 2H-Chromene
   * 3-Chromene
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique.
   (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France)
   V.9-    1974-  Volume(issue)/page/year: 11,81,1976
 
                            *** END OF RECORD ***