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MSDS  : Benzophenone, 4,4'-bis(dimethylamino)-
CAS  : 90-94-8
SYNONYMS  : * p,p'-Bis(N,N-dimethylamino)benzophenone * 4,4'-Bis(dimethylamino)benzophenone * Bis(p-(N,N-dimethylamino)phenyl)ketone * Bis(4-(dimethylamino)phenyl)methanone * Michler ketone * Michler's ketone * p,p'-Michler's ketone * NCI-C02006 * Tetramethyldiaminobenzophenone
*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER : DJ0250000
CHEMICAL NAME : Benzophenone, 4,4'-bis(dimethylamino)-
CAS REGISTRY NUMBER : 90-94-8
LAST UPDATED : 199710
DATA ITEMS CITED : 26
MOLECULAR FORMULA : C17-H20-N2-O
MOLECULAR WEIGHT : 268.39
WISWESSER LINE NOTATION : 1N1&R D- 2V
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
SYNONYMS/TRADE NAMES :
* p,p'-Bis(N,N-dimethylamino)benzophenone
* 4,4'-Bis(dimethylamino)benzophenone
* Bis(p-(N,N-dimethylamino)phenyl)ketone
* Bis(4-(dimethylamino)phenyl)methanone
* Michler ketone
* Michler's ketone
* p,p'-Michler's ketone
* NCI-C02006
* Tetramethyldiaminobenzophenone

*** HEALTH HAZARD DATA ***

** ACUTE TOXICITY DATA **

TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Bird - wild bird species
DOSE/DURATION : 100 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AECTCV Archives of Environmental Contamination and Toxicology.
(Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ
070944) V.1- 1973- Volume(issue)/page/year: 12,355,1983

** TUMORIGENIC DATA **

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 15 gm/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - 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-181,1979

TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 82 gm/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Vascular - tumors
Liver - 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-181,1979

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 27 gm/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Liver - 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-181,1979

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 8 gm/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Liver - 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-181,1979

TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 164 gm/kg/78W-C
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria
Vascular - tumors
Liver - 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-181,1979

** MUTATION DATA **

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 33300 ng/plate
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 7(Suppl
5),1,1985

TYPE OF TEST : Phage inhibition capacity
TEST SYSTEM : Bacteria - Escherichia coli
DOSE/DURATION : 12500 ng/well
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 260,349,1991

TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - rat Embryo
DOSE/DURATION : 1240 ng/plate
REFERENCE :
JJATDK JAT, Journal of Applied Toxicology. (John Wiley & Sons Ltd., Baffins
Lane, Chichester, W. Sussex PO19 1UD, UK) V.1- 1981-
Volume(issue)/page/year: 1,190,1981

TYPE OF TEST : DNA damage
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 7500 ug/kg
REFERENCE :
NALSDJ NATO ASI Series, Series A: Life Sciences. (Plenum Pub. Corp., 233
Spring St., New York, NY 10013) V.53- 1983- Volume(issue)/page/year:
60,745,1983

TYPE OF TEST : Unscheduled DNA synthesis
ROUTE OF EXPOSURE : Oral
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 200 mg/kg
REFERENCE :
ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For
publisher information, see EMMUEG. Volume(issue)/page/year: 7(Suppl
3),73,1985

TYPE OF TEST : Unscheduled DNA synthesis
TEST SYSTEM : Rodent - rat Liver
DOSE/DURATION : 5 mg/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE
Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 97,359,1982

TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 4 mg/L
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E.
11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year:
12(Suppl 13),103,1988

TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - mouse Embryo
DOSE/DURATION : 30 ug/L
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E.
11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year:
12,21,1988

TYPE OF TEST : Sister chromatid exchange
ROUTE OF EXPOSURE : Intraperitoneal
TEST SYSTEM : Rodent - rat
DOSE/DURATION : 7500 ug/kg
REFERENCE :
NALSDJ NATO ASI Series, Series A: Life Sciences. (Plenum Pub. Corp., 233
Spring St., New York, NY 10013) V.53- 1983- Volume(issue)/page/year:
60,745,1983

TYPE OF TEST : Mutation in mammalian somatic cells
TEST SYSTEM : Rodent - mouse Lymphocyte
DOSE/DURATION : 13100 ug/L
REFERENCE :
EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E.
11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year:
12(Suppl 13),37,1988

TYPE OF TEST : Cytogenetic analysis
TEST SYSTEM : Rodent - hamster Fibroblast
DOSE/DURATION : 1500 ug/L
REFERENCE :
MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road,
Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 1,17,1986

TYPE OF TEST : Sex chromosome loss and nondisjunction
TEST SYSTEM : Rodent - hamster Fibroblast
DOSE/DURATION : 1500 ug/L
REFERENCE :
MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road,
Eynsham, Oxford OX8 1JJ, UK) V.1- 1986- Volume(issue)/page/year: 1,17,1986

*** OCCUPATIONAL EXPOSURE LIMITS ***

OEL-GERMANY;Carcinogen JAN 1993

*** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
NOES - National Occupational Exposure Survey (1983)
NOES Hazard Code - X1044
No. of Facilities: 174 (estimated)
No. of Industries: 7
No. of Occupations: 11
No. of Employees: 2026 (estimated)
No. of Female Employees: 405 (estimated)

*** 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(b) CHEMICAL INVENTORY

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

NCI Carcinogenesis Bioassay (feed);clear evidence:mouse,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-181,79

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


*** END OF RECORD ***
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Benzo(3,4)phenanthro(1,2-b)oxirene, 4b,5a-dihydro- 60692-90-2
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Benzophenone, 3-amino- 2835-78-1
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Benzophenone, 4-amino-3-methyl- 4934-55-8
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