*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : FC6600000
CHEMICAL NAME           : Carbamic acid, N-methyl-N-nitroso-, 1-naphthyl ester
CAS REGISTRY NUMBER     : 7090-25-7
BEILSTEIN REFERENCE NO. : 1980650
LAST UPDATED            : 199612
DATA ITEMS CITED        : 24
MOLECULAR FORMULA       : C12-H10-N2-O3
MOLECULAR WEIGHT        : 230.24
WISWESSER LINE NOTATION : L66J BOVN1&NO
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * Carbamic acid, methylnitroso-, 1-naphthalenyl ester
   * Carbamic acid, methylnitroso-, 1-naphthyl ester
   * Denapon, nitrosated
   * Methyl-nitrosocarbamic acid 1-naphthyl ester
   * 1-Naphthyl methylnitrosocarbamate
   * 1-Naphthyl N-methyl-N-nitrosocarbamate
   * Nitrosocarbaryl
   * N-Nitrosocarbaryl
   * Nitroso-nac
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 600 mg/kg/10W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   EESADV Ecotoxicology and Environmental Safety.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802)  V.1-    1977-  Volume(issue)/page/year:
   2,413,1978
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1000 mg/kg
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   FCTXAV Food and Cosmetics Toxicology.  (London, UK)  V.1-19, 1963-81.  For
   publisher information, see FCTOD7.  Volume(issue)/page/year: 13,365,1975
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 921 mg/kg/50W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Skin and Appendages - tumors
REFERENCE :
   JCROD7 Journal of Cancer Research and Clinical Oncology.  (Springer-Verlag
   New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094)  V.93-
   1979-  Volume(issue)/page/year: 102,13,1981
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2500 mg/kg/10W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   CALEDQ Cancer Letters (Shannon, Ireland).  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1975- Volume(issue)/page/year:
   1,275,1976
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 600 mg/kg/10W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   IARCCD IARC Scientific Publications.  (Geneva, Switzerland)  No.1-26,
   1971-78.  For publisher information, see IAPUDO.  Volume(issue)/page/year:
   19,495,1978
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 6203 mg/kg/24W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   IARCCD IARC Scientific Publications.  (Geneva, Switzerland)  No.1-26,
   1971-78.  For publisher information, see IAPUDO.  Volume(issue)/page/year:
   14,429,1976
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 115 ng/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 56,1,1977
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 2 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 54,283,1978
 
TYPE OF TEST            : Phage inhibition capacity
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 200 ug/L
REFERENCE :
   TCMUE9 Topics in Chemical Mutagenesis.  (Plenum Pub. Corp., 233 Spring
   Street, New York, NY 10013) V.1-    1984-  Volume(issue)/page/year:
   1,91,1984
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Bacteria - Bacillus subtilis
DOSE/DURATION           : 5 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            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Haemophilus influenzae
DOSE/DURATION           : 10 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 30,9,1975
 
TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Haemophilus influenzae
DOSE/DURATION           : 10 umol/L/6M (Continuous)
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 27,201,1975
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Bacteria - Haemophilus influenzae
DOSE/DURATION           : 1 umol/L/6M (Continuous)
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 27,201,1975
 
TYPE OF TEST            : DNA inhibition
TEST SYSTEM             : Bacteria - Haemophilus influenzae
DOSE/DURATION           : 10 umol/L/6M (Continuous)
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 24,105,1974
 
TYPE OF TEST            : Gene conversion and mitotic recombination
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 5 nmol/plate
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 2,395,1980
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Mold - Aspergillus nidulans
DOSE/DURATION           : 1 ug/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 97,293,1982
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Multiple routes
TEST SYSTEM             : Non-mammalian species
DOSE/DURATION           : 500 ppb/8D (Continuous)
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 125,275,1984
 
TYPE OF TEST            : DNA damage
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 10 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 44,1,1977
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - mouse Fibroblast
DOSE/DURATION           : 10 mg/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   35,2637,1975
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 10 umol/L
REFERENCE :
   IAPUDO IARC Publications.  (WHO Publications Centre USA, 49 Sheridan Ave.,
   Albany, NY 12210) No.27-    1979-  Volume(issue)/page/year: 31,797,1980
 
TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 10 umol/L
REFERENCE :
   IAPUDO IARC Publications.  (WHO Publications Centre USA, 49 Sheridan Ave.,
   Albany, NY 12210) No.27-    1979-  Volume(issue)/page/year: 31,797,1980

                              *** REVIEWS ***
 
   IARC Cancer Review:Animal Sufficient Evidence
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 12,37,1976

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: B subtilis rec assay; Histidine
   reversion-Ames test
   
   EPA GENETOX PROGRAM 1988, Positive: TRP reversion; S cerevisiae gene
   conversion

 
                            *** END OF RECORD ***