*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DT4330000
CHEMICAL NAME           : (delta(sup
                          2,2'(3H,3'H))-Bibenzo(b)thiophene)-3,3'-dione
CAS REGISTRY NUMBER     : 522-75-8
BEILSTEIN REFERENCE NO. : 0088277
REFERENCE               : 5-19-05-00281 (Beilstein Handbook Reference)
LAST UPDATED            : 199701
DATA ITEMS CITED        : 4
MOLECULAR FORMULA       : C16-H8-O2-S2
MOLECULAR WEIGHT        : 296.36
SYNONYMS/TRADE NAMES :
   * Antinolo Red B
   * C.I. 73300
   * Ciba Pink B
   * C.I. Vat Red 41
   * 4,4'-Diisothioindigo
   * Durindone Printing Red B
   * Durindone Red B
   * Durindone Red BP
   * Heliane Red 5B
   * Helindon Red BB
   * Isothioindigo
   * Tetra Pink B
   * Thioindigo
   * Thioindigo Red B
   * Thioindigo Red S
   * Tina Pink B
   * Tyrian Red A-5B
   * Vat Red 5B
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 4170 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 50(8),91,1985

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - M4429
       No. of Facilities: 44 (estimated)
       No. of Industries: 2
       No. of Occupations: 6
       No. of Employees: 1582 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - M4429
       No. of Facilities: 8 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 330 (estimated)
       No. of Female Employees: 115 (estimated)

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

 
                            *** END OF RECORD ***