*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DM4866500
CHEMICAL NAME           : 3(2H)-Benzoxazolepropanesulfonic acid,
                          2-(4-(1,3-dibutyltetrahydro-4,6-dioxo-2-thioxo-5(2H)-
                          pyrimidinylidene)-2-butenylidene)-, sodium salt
CAS REGISTRY NUMBER     : 62796-23-0
LAST UPDATED            : 199706
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C26-H32-N3-O6-S2.Na
MOLECULAR WEIGHT        : 569.72
WISWESSER LINE NOTATION : T56 BNYOJ B3SWO CU2U2U- ET6NYNVYVJ A4 BUS C4 &-NA-
SYNONYMS/TRADE NAMES :
   * MC 540
   * Merocyanine 540
   * NK 2272
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 84 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: #4775625

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***