*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : CN1400000
CHEMICAL NAME : Azobenzene
CAS REGISTRY NUMBER : 103-33-3
BEILSTEIN REFERENCE NO. : 0742609
REFERENCE : 1-16-00-00218 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 25
MOLECULAR FORMULA : C12-H10-N2
MOLECULAR WEIGHT : 182.24
WISWESSER LINE NOTATION : RNUNR
COMPOUND DESCRIPTOR : Agricultural Chemical
Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* Azobenzeen
* Azobenzide
* Azobenzol
* Azobisbenzene
* Azodibenzene
* Azodibenzeneazofume
* Azofume
* Benzeneazobenzene
* Benzene, azodi
* Benzofume
* Diazobenzene
* Diphenyldiazene
* 1,2-Diphenyldiazene
* Diphenyldiimide
* ENT 14,611
* NCI-C02926
* USAF EK-704
*** 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 : 1 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARSIM* Agricultural Research Service, USDA Information Memorandum.
(Beltsville, MD 20705) Volume(issue)/page/year: 20,2,1966
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161)
Formerly U.S. Clearinghouse for Scientific & Technical Information.
Volume(issue)/page/year: AD277-689
TYPE OF TEST : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE : Unreported
SPECIES OBSERVED : Mammal - species unspecified
DOSE/DURATION : 50 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BESAAT Bulletin of the Entomological Society of America. (Entomological
Soc. of America, 4603 Calvert Rd., College Park, MD 20740) V.1- 1955-
Volume(issue)/page/year: 12,117,1966
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 7350 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Blood - tumors
REFERENCE :
NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
(Bethesda, MD) No.0-205. For publisher information, see NTPTR*.
Volume(issue)/page/year: NCI-TR-154,1979
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 17 gm/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Sense Organs and Special Senses (Ear) - effect, not otherwise specified
REFERENCE :
CANCAR Cancer (Philadelphia). (Lippincott/Harper, Journal Fulfillment
Dept., 2350 Virginia Ave., Hagerstown, MD 21740) V.1- 1948-
Volume(issue)/page/year: 3,789,1950
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 300 mg/kg/8W-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
82,19,1986
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 15 gm/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Blood - tumors
REFERENCE :
NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
(Bethesda, MD) No.0-205. For publisher information, see NTPTR*.
Volume(issue)/page/year: NCI-TR-154,1979
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 7280 mg/kg/2Y-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Blood - tumors
REFERENCE :
FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House,
Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year:
25,619,1987
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 25 ug/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 5(Suppl
1),3,1983
TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 12400 ug/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 192,239,1987
TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 142 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 272,145,1992
TYPE OF TEST : DNA inhibition
TEST SYSTEM : Human Lymphocyte
DOSE/DURATION : 40 umol/L
REFERENCE :
BBRCA9 Biochemical and Biophysical Research Communications. (Academic
Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959-
Volume(issue)/page/year: 45,630,1971
TYPE OF TEST : Micronucleus test
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 375 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 234,129,1990
TYPE OF TEST : DNA damage
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 300 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 113,357,1983
TYPE OF TEST : Host-mediated assay
TEST SYSTEM : Rodent - mouse Bacteria - Escherichia coli
DOSE/DURATION : 210 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 272,161,1992
TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 250 ug/L
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 7,1,1985
*** REVIEWS ***
IARC Cancer Review:Animal Limited Evidence
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 8,75,1975
IARC Cancer Review:Human No Adequate Data
IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
V.1- 1972- Volume(issue)/page/year: 8,75,1975
IARC Cancer Review:Group 3
IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49
Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year:
7,56,1987
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat; Histidine
reversion-Ames test
EPA TSCA Section 8(b) CHEMICAL INVENTORY
On EPA IRIS database
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NCI Carcinogenesis Bioassay (feed);clear evidence:rat
NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
(Bethesda, MD) No.0-205. For publisher information, see NTPTR*.
Volume(issue)/page/year: NCI-TR-154,79
NCI Carcinogenesis Bioassay (feed);no evidence:mouse
NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
(Bethesda, MD) No.0-205. For publisher information, see NTPTR*.
Volume(issue)/page/year: NCI-TR-154,79
*** END OF RECORD ***