*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DM4888166
CHEMICAL NAME           : Benzoxazole, 2,2'-(2,5-thiophenediyl)bis-
CAS REGISTRY NUMBER     : 2866-43-5
LAST UPDATED            : 199701
DATA ITEMS CITED        : 2
MOLECULAR FORMULA       : C18-H10-N2-O2-S
MOLECULAR WEIGHT        : 318.36
SYNONYMS/TRADE NAMES :
   * 2,5-Bis(benzoxazol-2-yl)thiophene
   * FBA 185
   * SOF
   * SOF (fluorescent brightener)
   * Thiophenebis(benzoxazolyl)
   * Thiophene, 2,5-di(benzoxazol-2-yl)-
   * 2,2'-(2,5-Thiophenediyl)bisbenzoxazole
   * Uvitex EBF
 
                       *** 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           : >30 gm/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   MVCRB3 MVC-Report.  (Stockholm, Sweden)  No.1-2, 1972-73.  Discontinued.
   Volume(issue)/page/year: 2,193,1973

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

 
                            *** END OF RECORD ***