*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : HM2970000
CHEMICAL NAME           : Diazene, diethyl-, 1-oxide
CAS REGISTRY NUMBER     : 16301-26-1
LAST UPDATED            : 199106
DATA ITEMS CITED        : 12
MOLECULAR FORMULA       : C4-H10-N2-O
MOLECULAR WEIGHT        : 102.16
COMPOUND DESCRIPTOR     : Tumorigen
                          Reproductive Effector
SYNONYMS/TRADE NAMES :
   * Azoxyaethan
   * Azoxyethane
   * Ethane, azoxy-
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 240 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   XENOBH Xenobiotica.  (Taylor & Francis Ltd., 4 John St., London WC1N 2ET,
   UK)  V.1-    1971-  Volume(issue)/page/year: 3,271,1973
 
TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 210 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IARCCD IARC Scientific Publications.  (Geneva, Switzerland)  No.1-26,
   1971-78.  For publisher information, see IAPUDO.  Volume(issue)/page/year:
   4,45,1973
 
                          ** TUMORIGENIC DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 500 mg/kg/20W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
   Liver - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3968,1987
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 30 mg/kg
                          female 11 day(s) after conception
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Reproductive - Tumorigenic effects - transplacental tumorigenesis
   Brain and Coverings - tumors
REFERENCE :
   NATWAY Naturwissenschaften.  (Springer-Verlag, Heidelberger Platz 3, D-1000
   Berlin 33, Fed. Rep. Ger.)  V.1-    1913-  Volume(issue)/page/year:
   60,555,1973
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 240 mg/kg/24W-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
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/kg
                          female 15 day(s) after conception
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Reproductive - Tumorigenic effects - transplacental tumorigenesis
   Brain and Coverings - tumors
REFERENCE :
   IARCCD IARC Scientific Publications.  (Geneva, Switzerland)  No.1-26,
   1971-78.  For publisher information, see IAPUDO.  Volume(issue)/page/year:
   4,45,1973
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 400 mg/kg/20W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
REFERENCE :
   CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
   Sts., Philadelphia, PA 19106)  V.1-    1941-  Volume(issue)/page/year:
   47,3968,1987
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 50 mg/kg
                          female 15 day(s) after conception
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Reproductive - Tumorigenic effects - transplacental tumorigenesis
   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
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 250 mg/kg
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
   Tumorigenic - tumors at site of application
REFERENCE :
   ZEKBAI Zeitschrift fuer Krebsforschung.  (Berlin, Fed. Rep. Ger.)  V.1-75,
   1903-71.  For publisher information, see JCROD7.  Volume(issue)/page/year:
   67,31,1965
 
TYPE OF TEST            : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 45 mg/kg/3W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Gastrointestinal - tumors
REFERENCE :
   NUCADQ Nutrition and Cancer.  (Franklin Institute Press, POB 2266,
   Phildelphia, PA 19103) V.1-    1978-  Volume(issue)/page/year: 11,11,1988
 
                          ** REPRODUCTIVE DATA **
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 25 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - Central Nervous System
   Reproductive - Specific Developmental Abnormalities - eye/ear
REFERENCE :
   XENOBH Xenobiotica.  (Taylor & Francis Ltd., 4 John St., London WC1N 2ET,
   UK)  V.1-    1971-  Volume(issue)/page/year: 3,271,1973
 
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 45 mg/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
   IARCCD IARC Scientific Publications.  (Geneva, Switzerland)  No.1-26,
   1971-78.  For publisher information, see IAPUDO.  Volume(issue)/page/year:
   4,45,1973
 
                            *** END OF RECORD ***