*** CHEMICAL IDENTIFICATION ***
RTECS NUMBER : XR2050000
CHEMICAL NAME : Titanium, dichloro-di-pi-cyclopentadienyl-
CAS REGISTRY NUMBER : 1271-19-8
LAST UPDATED : 199710
DATA ITEMS CITED : 24
MOLECULAR FORMULA : C10-H10-Cl2-Ti
MOLECULAR WEIGHT : 249.00
WISWESSER LINE NOTATION : L50J 0-TI-GG- 0L50J
COMPOUND DESCRIPTOR : Tumorigen
Mutagen
Reproductive Effector
SYNONYMS/TRADE NAMES :
* Biscyclopentadienyltitanium dichloride
* Bis(cyclopentadienyl)dichlorotitanium
* Bis(eta(sup 5)-cyclopentadienyl)titanium dichloride
* Dicyclopentadienyltitanium dichloride
* Dichlorobis(1,3-cyclopentadiene)titanium
* Dichlorobiscyclopentadienyl titanium
* Dichlorobis(eta(sup 5)-cyclopentadienyl)titanium
* Dichlorobis(eta(sup 5)-2,4-cyclopentadien-1-yltitanium)
* Dichlorobis(pi-cyclopentadienyl)titanium
* Dichlorodicyclopentadienyltitanium
* Dichlorodi-pi-cyclopentadienyltitanium
* Dichlorotitanocene
* Dicyclopentadienyldichlorotitanium
* NCI-C04502
* Titanium, dichlorobis(eta(sup 5)-2,4-cyclopentadien-1-yl-
* Titanium ferrocene
* Titanocene dichloride
*** HEALTH HAZARD DATA ***
** ACUTE TOXICITY DATA **
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 25 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
National Cancer Institute by The Institute of Chemical Biology, University
of San Francisco. (San Francisco, CA 94117) Volume(issue)/page/year:
PH43-64-886
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 60 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity)
Behavioral - changes in motor activity (specific assay)
REFERENCE :
NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
National Cancer Institute by The Institute of Chemical Biology, University
of San Francisco. (San Francisco, CA 94117) Volume(issue)/page/year:
PH43-64-886
TYPE OF TEST : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE : Intravenous
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 180 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#00774
** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 6 gm/kg/14D-I
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition
Blood - pigmented or nucleated red blood cells
Biochemical - Enzyme inhibition, induction, or change in blood or tissue
levels - transaminases
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-399,1991
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 4030 mg/kg/13W-I
TOXIC EFFECTS :
Cardiac - changes in heart weight
Endocrine - changes in thymus weight
Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-399,1991
** TUMORIGENIC DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Oral
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 26 gm/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Gastrointestinal - tumors
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-399,1991
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 720 mg/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Blood - lymphoma, including Hodgkin's disease
Tumorigenic - tumors at site of application
REFERENCE :
NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
National Cancer Institute by The Institute of Chemical Biology, University
of San Francisco. (San Francisco, CA 94117) Volume(issue)/page/year:
PH43-64-886
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - mouse
DOSE/DURATION : 75 mg/kg
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Blood - lymphoma, including Hodgkin's disease
Tumorigenic - tumors at site of application
REFERENCE :
NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
National Cancer Institute by The Institute of Chemical Biology, University
of San Francisco. (San Francisco, CA 94117) Volume(issue)/page/year:
PH43-64-886
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 900 mg/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - neoplastic by RTECS criteria
Musculoskeletal - tumors
Tumorigenic - tumors at site of application
REFERENCE :
PWPSA8 Proceedings of the Western Pharmacology Society. (Univ. of
California Dept. of Pharmacology, Los Angeles, CA 90024) V.1- 1958-
Volume(issue)/page/year: 14,68,1971
TYPE OF TEST : TD - Toxic dose (other than lowest)
ROUTE OF EXPOSURE : Intramuscular
SPECIES OBSERVED : Rodent - rat
DOSE/DURATION : 430 mg/kg/81W-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria
Blood - lymphoma, including Hodgkin's disease
Tumorigenic - tumors at site of application
REFERENCE :
NCIUS* Progress Report for Contract No. PH-43-64-886, Submitted to the
National Cancer Institute by The Institute of Chemical Biology, University
of San Francisco. (San Francisco, CA 94117) Volume(issue)/page/year:
PH43-64-886
** REPRODUCTIVE DATA **
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 30 mg/kg
SEX/DURATION : female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
e.g., stunted fetus)
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 33,171,1984
TYPE OF TEST : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE : Intraperitoneal
SPECIES OBSERVED : Rodent - mouse
DOSE : 60 mg/kg
SEX/DURATION : female 10 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - craniofacial
(including nose and tongue)
REFERENCE :
TXCYAC Toxicology. (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
Limerick, Ireland) V.1- 1973- Volume(issue)/page/year: 33,171,1984
** MUTATION DATA **
TYPE OF TEST : Mutation in microorganisms
TEST SYSTEM : Bacteria - Salmonella typhimurium
DOSE/DURATION : 100 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 : Morphological transformation
TEST SYSTEM : Rodent - rat Embryo
DOSE/DURATION : 2960 ug/L
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 67,1303,1981
TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - mouse Fibroblast
DOSE/DURATION : 800 ug/L
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 67,1303,1981
TYPE OF TEST : Morphological transformation
TEST SYSTEM : Rodent - hamster Embryo
DOSE/DURATION : 100 ug/L
REFERENCE :
JJIND8 JNCI, Journal of the National Cancer Institute. (Washington, DC)
V.61-79, 1978-87. For publisher information, see JNCIEQ.
Volume(issue)/page/year: 67,1303,1981
*** STATUS IN U.S. ***
EPA GENETOX PROGRAM 1988, Positive: SHE-clonal assay; Cell transform.-RLV
F344 rat embryo
EPA GENETOX PROGRAM 1988, Positive: In vitro UDS-human fibroblast
EPA GENETOX PROGRAM 1988, Positive/dose response: Cell transform.-BALB/c-3T3
EPA GENETOX PROGRAM 1988, Negative: Host-mediated assay; S
cerevisiae-homozygosis
EPA GENETOX PROGRAM 1988, Inconclusive: E coli polA without S9
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
NTP Carcinogenesis Studies (gavage);equivocal evidence:rat
NTPTR* National Toxicology Program Technical Report Series. (Research
Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-399,91
*** END OF RECORD ***
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