*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : XX9585000
CHEMICAL NAME           : Triazene, 1-(p-bromophenyl)-3,3-dimethyl-
CAS REGISTRY NUMBER     : 7239-21-6
BEILSTEIN REFERENCE NO. : 1841493
LAST UPDATED            : 199709
DATA ITEMS CITED        : 9
MOLECULAR FORMULA       : C8-H10-Br-N3
MOLECULAR WEIGHT        : 228.12
WISWESSER LINE NOTATION : ER DNUNN1&1
COMPOUND DESCRIPTOR     : Mutagen
SYNONYMS/TRADE NAMES :
   * 1-p-Bromfenyl-3,3-dimethyltriazen
   * 1-(4-Bromophenyl)-3,3-dimethyltriazene
 
                       *** 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           : 423 mg/kg
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - dyspnea
   Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
   PHBOBQ Physiologia Bohemoslovaca.  (Academic Press Inc. Ltd., 24-28 Oval
   Rd., London NW1 7DX, UK) V.15-    1966-  Volume(issue)/page/year: 21,63,1972
 
                            ** MUTATION DATA **
 
TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 30 nmol/plate
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 190,177,1987
 
TYPE OF TEST            : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 100 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            : Gene conversion and mitotic recombination
TEST SYSTEM             : Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 10 mmol/L/4H
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            : Cytogenetic analysis
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 1 umol/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 190,183,1987
 
TYPE OF TEST            : Micronucleus test
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 100 mg/kg/24H
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 56,319,1978
 
TYPE OF TEST            : Host-mediated assay
TEST SYSTEM             : Rodent - mouse Yeast - Saccharomyces cerevisiae
DOSE/DURATION           : 91248 mg/kg
REFERENCE :
   CBINA8 Chemico-Biological Interactions.  (Elsevier Scientific Pub. Ireland
   Ltd., POB 85, Limerick, Ireland)  V.1-    1969-  Volume(issue)/page/year:
   9,365,1974

                          *** STATUS IN U.S. ***
 
   EPA GENETOX PROGRAM 1988, Positive: Mammalian micronucleus; D melanogaster
   Sex-linked lethal
   
   EPA GENETOX PROGRAM 1988, Positive: S cerevisiae gene conversion

 
                            *** END OF RECORD ***