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MSDS  : Dibenz(a,h)acridine
CAS  : 226-36-8
SYNONYMS  : * 7-Azadibenz(a,h)anthracene * DB(a,h)AC * Dibenz(a,d)acridine * 1,2,5,6-Dibenzacridine * 1,2,5,6-Dibenzoacridine * 1,2,5,6-Dinaphthacridine
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : HN0875000
CHEMICAL NAME : Dibenz(a,h)acridine
CAS REGISTRY NUMBER : 226-36-8
BEILSTEIN REFERENCE NO. : 0209261
REFERENCE : 5-20-08-00657 (Beilstein Handbook Reference)
LAST UPDATED : 199710
DATA ITEMS CITED : 23
MOLECULAR FORMULA : C21-H13-N
MOLECULAR WEIGHT : 279.35
WISWESSER LINE NOTATION : T G6 D6 B666 CNJ
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* 7-Azadibenz(a,h)anthracene
* DB(a,h)AC
* Dibenz(a,d)acridine
* 1,2,5,6-Dibenzacridine
* 1,2,5,6-Dibenzoacridine
* 1,2,5,6-Dinaphthacridine

*** HEALTH HAZARD DATA ***

** TUMORIGENIC DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 5 mg/kg
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Tumorigenic - tumors at site of application
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland
Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year:
20,97,1983

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 13 gm/kg/63W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Gastrointestinal - tumors
Skin and Appendages - tumors
REFERENCE :
PRLBA4 Proceedings of the Royal Society of London, Series B: Biological
Sciences. (Royal Soc., 6 Carlton House Terrace, London SW1Y 5AG, UK) V.76-
1905- Volume(issue)/page/year: 129,439,1940

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 540 mg/kg/45W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Skin and Appendages - tumors
Tumorigenic - tumors at site of application
REFERENCE :
ACRSAJ Advances in Cancer Research. (Academic Press, Inc., 465 S. Lincoln
Dr., Troy, MO 63379) V.1- 1953- Volume(issue)/page/year: 4,315,1956

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 430 mg/kg/24W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Tumorigenic - tumors at site of application
REFERENCE :
PRLBA4 Proceedings of the Royal Society of London, Series B: Biological
Sciences. (Royal Soc., 6 Carlton House Terrace, London SW1Y 5AG, UK) V.76-
1905- Volume(issue)/page/year: 123,343,1937

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 10 mg/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60,
1940-78. For publisher information, see JJIND8. Volume(issue)/page/year:
1,225,1940

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 790 mg/kg/33W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Skin and Appendages - tumors
Tumorigenic - tumors at site of application
REFERENCE :
PRLBA4 Proceedings of the Royal Society of London, Series B: Biological
Sciences. (Royal Soc., 6 Carlton House Terrace, London SW1Y 5AG, UK) V.76-
1905- Volume(issue)/page/year: 117,318,1935

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Subcutaneous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 1600 mg/kg/24W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Tumorigenic - tumors at site of application
REFERENCE :
PRLBA4 Proceedings of the Royal Society of London, Series B: Biological
Sciences. (Royal Soc., 6 Carlton House Terrace, London SW1Y 5AG, UK) V.76-
1905- Volume(issue)/page/year: 129,439,1940

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Implant
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 1500 ug/kg
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Lungs, Thorax, or Respiration - tumors
Tumorigenic - tumors at site of application
REFERENCE :
CALEDQ Cancer Letters (Shannon, Ireland). (Elsevier Scientific Pub. Ireland
Ltd., POB 85, Limerick, Ireland) V.1- 1975- Volume(issue)/page/year:
20,97,1983

** MUTATION DATA **

TYPE OF TEST : Micronucleus test
ROUTE OF EXPOSURE : Intratracheal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 300 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 312,165,1994

TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - rat Embryo
DOSE/DURATION : 1 mg/L
REFERENCE :
JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60,
1940-78. For publisher information, see JJIND8. Volume(issue)/page/year:
51,799,1973

TYPE OF TEST : DNA adduct
ROUTE OF EXPOSURE : Intratracheal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 75 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 312,165,1994

TYPE OF TEST : Sister chromatid exchange
ROUTE OF EXPOSURE : Intratracheal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 150 mg/kg
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 312,165,1994

*** REVIEWS ***

IARC Cancer Review:Animal Sufficient 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: 3,247,1973

IARC Cancer Review:Animal Sufficient 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: 32,277,1983

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: 32,277,1983

IARC Cancer Review:Group 2B
IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49
Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year:
7,56,1987

TOXICOLOGY REVIEW
85DHAX "Medical and Biologic Effects of Environmental Pollutants Series,"
Washington, DC, National Academy of Sciences, 1972-77
Volume(issue)/page/year: Pc,4,1972

*** OCCUPATIONAL EXPOSURE LIMITS ***

OEL-FRANCE;Carcinogen JAN 1993

*** STATUS IN U.S. ***

EPA GENETOX PROGRAM 1988, Positive: Carcinogenicity-mouse/rat

EPA GENETOX PROGRAM 1988, Positive: Cell transform.-RLV F344 rat embryo

EPA TSCA Section 8(d) unpublished health/safety studies

EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

NTP 7th Annual Report on Carcinogens, 1992 : anticipated to be carcinogen


*** END OF RECORD ***
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