*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XF8045000
CHEMICAL NAME           : 2H-Tetrazolium,
                          3,3'-(3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2-(
                          4-nitrophenyl)-5-phen yl-,dichloride
CAS REGISTRY NUMBER     : 298-83-9
LAST UPDATED            : 199706
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C40-H30-N10-O6.2Cl
MOLECULAR WEIGHT        : 817.70
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * NBT (dye)
   * Nitro Blue tetrazolium
   * p-Nitro Blue tetrazolium
   * Nitro Blue tetrazolium chloride
   * p-Nitro Blue tetrazolium chloride
   * Nitro BT
   * Nitrotetrazolium Blue
   * p-Nitrotetrazolium Blue
   * Nitro tetrazolium BT
   * Nitrotetrazolium Chloride Blue
   * Nitro Blue tetrazolium salt
   * Tetrazolium Nitro Blue
   * Tetrazolium nitro BT

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X4354
       No. of Facilities: 70 (estimated)
       No. of Industries: 1
       No. of Occupations: 3
       No. of Employees: 1560 (estimated)
       No. of Female Employees: 1227 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Inconclusive: B subtilis rec assay
   
   EPA TSCA Section 8(b) CHEMICAL INVENTORY

 
                            *** END OF RECORD ***