*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XY2300000
CHEMICAL NAME           : Triazene, 3,3-dimethyl-1-(m-pyridyl-N-oxide)-
CAS REGISTRY NUMBER     : 21600-42-0
LAST UPDATED            : 199709
DATA ITEMS CITED        : 13
MOLECULAR FORMULA       : C7-H10-N4-O
MOLECULAR WEIGHT        : 166.21
WISWESSER LINE NOTATION : T6NJ AO CNUNN1&1
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * (3,3-Dimethyl-1-(m-pyridyl-N-oxide))triazene
   * 3-(3',3'-Dimethyltriazeno)-pyridin-N-oxid
   * 3-(3',3'-Dimethyltriazeno)-pyridine-N-oxide
   * Pyndt
   * Pyridine, 3-(3,3-dimethyl-1-triazenyl)-, 1-oxide
   * 1-(Pyridyl-3-N-oxid)-3,3-dimethyl-triazen
   * 1-(Pyridyl-3-N-oxide)-3,3-dimethyltriazene
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 200 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie.  (Berlin,
   Fed. Rep. Ger.)  V.76-92, 1971-78.  For publisher information, see JCROD7.
   Volume(issue)/page/year: 81,285,1974
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 230 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie.  (Berlin,
   Fed. Rep. Ger.)  V.76-92, 1971-78.  For publisher information, see JCROD7.
   Volume(issue)/page/year: 81,285,1974
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 490 mg/kg/38W-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Brain and Coverings - tumors
   Peripheral Nerve and Sensation - peripheral nerve tumors
REFERENCE :
   ZKKOBW Zeitschrift fuer Krebsforschung und Klinische Onkologie.  (Berlin,
   Fed. Rep. Ger.)  V.76-92, 1971-78.  For publisher information, see JCROD7.
   Volume(issue)/page/year: 81,285,1974
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 540 mg/kg/36W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Brain and Coverings - tumors
REFERENCE :
   XENOBH Xenobiotica.  (Taylor & Francis Ltd., 4 John St., London WC1N 2ET,
   UK)  V.1-    1971-  Volume(issue)/page/year: 3,271,1973
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 700 umol/L
REFERENCE :
   CBINA8 Chemico-Biological Interactions.  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1969-  Volume(issue)/page/year:
   9,365,1974
 
TYPE OF TEST            : Heritable translocation test
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 660 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 21,123,1973
 
TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Human Leukocyte
DOSE/DURATION           : 25 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 21,123,1973
 
TYPE OF TEST            : Host-mediated assay
TEST SYSTEM             : Rodent - mouse Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 400 umol/kg
REFERENCE :
   AGACBH Agents and Actions, A Swiss Journal of Pharmacology.  (Birkhaeuser
   Verlag, POB 133, CH-4010 Basel, Switzerland)  V.1-    1969/70-
   Volume(issue)/page/year: 3,99,1973

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: D melanogaster-whole sex chrom. loss
   
   EPA GENETOX PROGRAM 1988, Positive: D melanogaster-partial sex chrom. loss
   
   EPA GENETOX PROGRAM 1988, Positive: D melanogaster-reciprocal translocation
   
   EPA GENETOX PROGRAM 1988, Positive: Host-mediated assay; D melanogaster
   Sex-linked lethal
   
   EPA GENETOX PROGRAM 1988, Positive: S cerevisiae gene conversion

 
                            *** END OF RECORD ***