*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : EL8990000
CHEMICAL NAME           : 2-Butanone, 3-((isopentyl)nitrosoamino)-
CAS REGISTRY NUMBER     : 71016-15-4
BEILSTEIN REFERENCE NO. : 5924833
LAST UPDATED            : 199612
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C9-H18-N2-O2
MOLECULAR WEIGHT        : 186.29
WISWESSER LINE NOTATION : 1Y1&2NNO&Y1&V1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 3-((Isopentyl)nitrosoamino)-2-butanone
   * Mambna
   * N-3-Methylbutyl-N-1-methyl acetonylnitrosamine
 
                       *** HEALTH HAZARD DATA ***
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 21600 mg/kg/74W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
   Liver - tumors
REFERENCE :
   CCLCDY Zhonghua Zhongliu Zazhi.  Chinese Journal of Oncology.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 
     1978-  Volume(issue)/page/year: 7,329,1985
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 8400 mg/kg/19W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   CCLCDY Zhonghua Zhongliu Zazhi.  Chinese Journal of Oncology.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 
     1978-  Volume(issue)/page/year: 7,329,1985
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 19600 mg/kg/32W-C
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Liver - tumors
REFERENCE :
   CCLCDY Zhonghua Zhongliu Zazhi.  Chinese Journal of Oncology.  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 
     1978-  Volume(issue)/page/year: 7,329,1985
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 27 gm/kg/74W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
   Liver - tumors
REFERENCE :
   CMJODS Chinese Medical Journal (Beijing, English Edition).  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 
     1975-    Adopted vol. no. 92 in 1979.  Volume(issue)/page/year:
   97,311,1984
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 8400 mg/kg/19W-C
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
   Liver - tumors
REFERENCE :
   CMJODS Chinese Medical Journal (Beijing, English Edition).  (China
   International Book Trading Corp., POB 2820, Beijing, Peop. Rep. China) V.1- 
     1975-    Adopted vol. no. 92 in 1979.  Volume(issue)/page/year:
   97,311,1984
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 2 gm/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 1,867,1980
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Human Lung
DOSE/DURATION           : 1 gm/L
REFERENCE :
   SSBSEF Scientia Sinica, Series B: Chemical, Biological, Agricultural,
   Medical, and Earth Sciences (English Edition).  (Scientific and Technical
   Books Service Ltd., POB 197, London WC2N 4DE, UK)  V.25-    1982-
   Volume(issue)/page/year: 29,1192,1986
 
TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Lung
DOSE/DURATION           : 500 mg/L
REFERENCE :
   SSBSEF Scientia Sinica, Series B: Chemical, Biological, Agricultural,
   Medical, and Earth Sciences (English Edition).  (Scientific and Technical
   Books Service Ltd., POB 197, London WC2N 4DE, UK)  V.25-    1982-
   Volume(issue)/page/year: 25,738,1982
 
                            *** END OF RECORD ***