*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XY2784000
CHEMICAL NAME           : Triazene, 3-methyl-1-phenyl-
CAS REGISTRY NUMBER     : 16033-21-9
LAST UPDATED            : 199410
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C7-H9-N3
MOLECULAR WEIGHT        : 135.19
WISWESSER LINE NOTATION : 1MNUNR
COMPOUND DESCRIPTOR     : Tumorigen
                          Mutagen
SYNONYMS/TRADE NAMES :
   * 3-Methyl-1-phenyltriazene
   * 1-Phenyl-3-methyltriazine
   * 1-Phenyl-3-monomethyltriazene
   * PMT
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 420 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NEOLA4 Neoplasma.  (Karger-Libri, P.O. Box, CH-4009 Basel, Switzerland) V.4-
      1957-  Volume(issue)/page/year: 25,153,1978
 
TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 45 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   34,1671,1974
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 284 mg/kg/8W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Skin and Appendages - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   34,1671,1974
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 45 mg/kg/4W-I
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Tumorigenic - tumors at site of application
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   34,1671,1974
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 100 umol/L
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   42,1446,1982
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Mold - Neurospora crassa
DOSE/DURATION           : 600 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 13,276,1971
 
TYPE OF TEST            : DNA adduct
TEST SYSTEM             : Fish - salmon Sperm
DOSE/DURATION           : 250 gm/L
REFERENCE :
   BCPCA6 Biochemical Pharmacology.  (Pergamon Press Inc., Maxwell House,
   Fairview Park, Elmsford, NY 10523)  V.1-    1958-  Volume(issue)/page/year:
   19,1505,1970

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: N crassa-forward mutation

 
                            *** END OF RECORD ***