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MSDS  : Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-methyl-
CAS  : 479-50-5
SYNONYMS  : * 1-((2-(Diethylamino)ethyl)amino)-4-methylthioxanthen-9-one * Lucanthon * Lucanthone * 9H-Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-methyl-
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : XO1605500
CHEMICAL NAME : Thioxanthen-9-one,
1-((2-(diethylamino)ethyl)amino)-4-methyl-
CAS REGISTRY NUMBER : 479-50-5
BEILSTEIN REFERENCE NO. : 0312369
REFERENCE : 5-18-11-00503 (Beilstein Handbook Reference)
LAST UPDATED : 199707
DATA ITEMS CITED : 26
MOLECULAR FORMULA : C20-H24-N2-O-S
MOLECULAR WEIGHT : 340.52
WISWESSER LINE NOTATION : T C666 BS IVJ D1 GM2N2&2
COMPOUND DESCRIPTOR : Mutagen
SYNONYMS/TRADE NAMES :
* 1-((2-(Diethylamino)ethyl)amino)-4-methylthioxanthen-9-one
* Lucanthon
* Lucanthone
* 9H-Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-methyl-

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 56 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems
Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010)
Volume(issue)/page/year: NX#01110

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 400 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSHCAL Cold Spring Harbor Conferences on Cell Proliferation. (Cold Spring
Harbor, NY) V.1-10, 1974-83. Volume(issue)/page/year: 4,445,1977

** MUTATION DATA **

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 500 nmol/plate
REFERENCE :
SCIEAS Science. (American Assoc. for the Advancement of Science, 1333 H
St., NW, Washington, DC 20005) V.1- 1895- Volume(issue)/page/year:
186,647,1974

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 50 ug/plate
REFERENCE :
TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E.
First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year:
52,237,1980

TYPE OF TEST : DNA repair
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 1 umol/plate
REFERENCE :
AMACCQ Antimicrobial Agents and Chemotherapy. (American Soc. for
Microbiology, 1913 I St., NW, Washington, DC 20006) V.1- 1972-
Volume(issue)/page/year: 3,530,1973

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Microorganism - not otherwise specified
DOSE/DURATION : 30 mg/L
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 186,390,1973

TYPE OF TEST : DNA damage
TEST SYSTEM : Microorganism - not otherwise specified
DOSE/DURATION : 220 umol/L
REFERENCE :
JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams &
Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10-
Volume(issue)/page/year: 186,385,1973

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Mold - Neurospora crassa
DOSE/DURATION : 20 umol/L
REFERENCE :
JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub.,
1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76-
Volume(issue)/page/year: 1,271,1975

TYPE OF TEST : DNA damage
TEST SYSTEM : Human HeLa cell
DOSE/DURATION : 3 mg/L/15M
REFERENCE :
ECREAL Experimental Cell Research. (Academic Press, Inc., 1 E. First St.,
Duluth, MN 55802) V.10- 1950- Volume(issue)/page/year: 103,175,1976

TYPE OF TEST : DNA inhibition
TEST SYSTEM : Human HeLa cell
DOSE/DURATION : 3 mg/L
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
37,2177,1977

TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Human HeLa cell
DOSE/DURATION : 3 mg/L
REFERENCE :
CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut
Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year:
37,2177,1977

TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Human Lymphocyte
DOSE/DURATION : 4 mg/L/24H
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978

TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Human Leukocyte
DOSE/DURATION : 340 ug/L/24H
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978

TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Human Cells - not otherwise specified
DOSE/DURATION : 10 umol/L
REFERENCE :
ACIEAY Angewandte Chemie, International Edition in English. (VCH Pub.,
Inc., 303 NW 12th Ave., Deerfield Beach, FL 33441) V.1- 1962-
Volume(issue)/page/year: 10,302,1971

TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - rat Embryo
DOSE/DURATION : 1 mg/L
REFERENCE :
JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub.,
1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76-
Volume(issue)/page/year: 1,323,1975

TYPE OF TEST : DNA inhibition
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 50 mg/kg
REFERENCE :
IJCNAW International Journal of Cancer. (International Union Against
Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland) V.1- 1966-
Volume(issue)/page/year: 9,484,1972

TYPE OF TEST : Mutation test systems - not otherwise specified
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 50 mg/kg
REFERENCE :
IJCNAW International Journal of Cancer. (International Union Against
Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland) V.1- 1966-
Volume(issue)/page/year: 9,484,1972

TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 1 mg/L
REFERENCE :
CBTOE2 Cell Biology and Toxicology. (Princeton Scientific Pub., Inc., 301
N. Harrison St., CN 5279, Princeton, NJ 08540) V.1- 1984-
Volume(issue)/page/year: 2,379,1986

TYPE OF TEST : Mutation test systems - not otherwise specified
TEST SYSTEM : Rodent - hamster Ovary
DOSE/DURATION : 7500 ug/L
REFERENCE :
JCLBA3 Journal of Cell Biology. (Rockefeller Univ. Press, 1230 York Ave.,
New York, NY 10003) V.12- 1962- Volume(issue)/page/year: 59,190a,1973

TYPE OF TEST : Sister chromatid exchange
TEST SYSTEM : Rodent - hamster Lung
DOSE/DURATION : 1 mg/L
REFERENCE :
CBTOE2 Cell Biology and Toxicology. (Princeton Scientific Pub., Inc., 301
N. Harrison St., CN 5279, Princeton, NJ 08540) V.1- 1984-
Volume(issue)/page/year: 2,379,1986

TYPE OF TEST : DNA adduct
TEST SYSTEM : Mammal - species unspecified Lymphocyte
DOSE/DURATION : 6 umol/L
REFERENCE :
PMSBA4 Progress in Molecular and Subcellular Biology. (Springer-Verlag,
Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.1- 1969-
Volume(issue)/page/year: 2,232,1971

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

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

EPA GENETOX PROGRAM 1988, Positive: N crassa-forward mutation

EPA GENETOX PROGRAM 1988, Positive: D melanogaster Sex-linked lethal

EPA GENETOX PROGRAM 1988, Negative: N crassa-aneuploidy

EPA GENETOX PROGRAM 1988, Inconclusive: Histidine reversion-Ames test


*** END OF RECORD ***
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