*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FC6280000
CHEMICAL NAME           : Carbamic acid, N-methyl-N-nitroso-,
                          3,4-dimethylphenyl ester
CAS REGISTRY NUMBER     : 58139-33-6
LAST UPDATED            : 199410
DATA ITEMS CITED        : 6
MOLECULAR FORMULA       : C10-H12-N2-O3
MOLECULAR WEIGHT        : 208.24
WISWESSER LINE NOTATION : ONN1&VOR C1 D1
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * Carbamic acid, methylnitroso-, 3,4-dimethylphenyl ester
   * Carbamic acid, methylnitroso-, 3,4-xylyl ester
   * 3,4-Dimethylphenyl N-methyl-N-nitrosocarbamate
   * Meobal, nitrosated
   * Nitroso-mpmc
   * 3,4-Xylyl N-methylcarbamate, nitrosated
 
                       *** HEALTH HAZARD DATA ***
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 5 umol/plate
REFERENCE :
   SKEZAP Shokuhin Eiseigaku Zasshi.  Food Hygiene Journal.  (Nippon Shokuhin
   Eisei Gakkai c/o Shokuhin Eisei Senta, 2-6-1 Jingumae, Shibuya-ku, Tokyo
   150, Japan)  V.1-    1960-  Volume(issue)/page/year: 19,122,1978
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 10 ug/plate
REFERENCE :
   BECTA6 Bulletin of Environmental Contamination and Toxicology.
   (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
   07094)  V.1-    1966-  Volume(issue)/page/year: 14,389,1975
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 500 ng/plate
REFERENCE :
   BECTA6 Bulletin of Environmental Contamination and Toxicology.
   (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
   07094)  V.1-    1966-  Volume(issue)/page/year: 14,389,1975
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Fibroblast
DOSE/DURATION           : 15 mg/L/24H
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 48,337,1977
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 5 mg/L
REFERENCE :
   GMCRDC Gann Monograph on Cancer Research.  (Plenum Pub. Corp., 233 Spring
   St., New York, NY 10013) No. 11-    1971-  Volume(issue)/page/year:
   27,95,1981

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay; TRP reversion

 
                            *** END OF RECORD ***