*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : DJ1927000
CHEMICAL NAME           : 5H-Benzo(a)phenoxazine,
                          9-(dimethylamino)-5-imino-10-methyl-,
                          monohydrochloride
CAS REGISTRY NUMBER     : 18472-89-4
LAST UPDATED            : 199504
DATA ITEMS CITED        : 3
MOLECULAR FORMULA       : C19-H17-N3-O.Cl-H
MOLECULAR WEIGHT        : 339.85
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * 5H-Benzo(a)phenoxazin-9-amine, 5-imino-N,N,10-trimethyl-,  
   monohydrochloride
   * Benzo(a)phenoxazin-7-ium, 5-amino-9-(dimethylamino)-10-methyl-, chloride
   * Cresole Violet
   * Cresyl Violet
   * 9-(Dimethylamino)-5-imino-10-methyl-5H-benzo(a)phenoxazine hydrochloride
 
                       *** HEALTH HAZARD DATA ***
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 2 mg/disc
REFERENCE :
   TRENAF Kenkyu Nenpo--Tokyo-toritsu Eisei Kenkyusho.  Annual Report of Tokyo
   Metropolitan Research Laboratory of Public Health.  (Tokyo-toritsu Eisei
   Kenkyusho, 24-1, 3-chome, Hyakunin-cho, Shin-juku-ku, Tokyo 160, Japan) V.1-
      1949/50-  Volume(issue)/page/year: 27,153,1976

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

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - X6306
       No. of Facilities: 3 (estimated)
       No. of Industries: 1
       No. of Occupations: 1
       No. of Employees: 36 (estimated)
       No. of Female Employees: 16 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Negative: B subtilis rec assay

 
                            *** END OF RECORD ***