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methylcyclopentadienylmanganese tricarbonyl

Names

[ CAS No. ]:
12108-13-3

[ Name ]:
methylcyclopentadienylmanganese tricarbonyl

[Synonym ]:
(Methylcyclopentadienyl)tricarbonylmanganese Ethyl MMT MCMT MMT
Tricarbonyl(2-methylcyclopentadienyl)manganese
MFCD00001426
MMT
(Methylcyclopentadienyl)tricarbonylmanganese
Antiknock-33
MCMT
EINECS 235-166-5
Ethyl MMT

Chemical & Physical Properties

[ Density]:
1.38 g/mL at 25 °C(lit.)

[ Boiling Point ]:
232-233 °C(lit.)

[ Melting Point ]:
−1 °C(lit.)

[ Molecular Formula ]:
C9H7MnO3

[ Molecular Weight ]:
218.08800

[ Flash Point ]:
205 °F

[ Exact Mass ]:
217.97800

[ LogP ]:
0.78760

[ Vapour density ]:
>1 (vs air)

[ Vapour Pressure ]:
0.05 mm Hg ( 20 °C)

[ Index of Refraction ]:
n20/D 1.584(lit.)

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
OP1450000
CHEMICAL NAME :
Manganese, tricarbonyl methylcyclopentadienyl
CAS REGISTRY NUMBER :
12108-13-3
LAST UPDATED :
199712
DATA ITEMS CITED :
38
MOLECULAR FORMULA :
C9-H7-Mn-O3
MOLECULAR WEIGHT :
218.10
WISWESSER LINE NOTATION :
L5J A1-MN-VHVHVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
AEHLAU Archives of Environmental Health. (Heldref Pub., 4000 Albemarle St., NW, Washington, DC 20016) V.1- 1960- Volume(issue)/page/year: 30,168,1975 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
76 mg/m3/4H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - conjunctive irritation Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 40,164,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
665 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
12 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - chronic pulmonary edema Blood - hemorrhage
REFERENCE :
TOLED5 Toxicology Letters. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1977- Volume(issue)/page/year: 39,1,1987
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
34 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NICHAS Nichidai Igaku Zasshi. Nihon University Medical Journal. (Nihon Daigaku Igakkai, 30, Oyaguchi kami-machi, Itabashi-ku, Tokyo 173, Japan) V.1- 1937- Volume(issue)/page/year: 44,173,1985
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
58600 ug/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
SAIGBL Sangyo Igaku. Japanese Journal of Industrial Health. (Nippon Sangyo Eisei Igakkai, Kosu Eisei Bldg., 1-29-8, Shinjuku, Shinjuku-ku, Tokyo 160, Japan) V.1- 1959- Volume(issue)/page/year: 20,553,1978
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
152 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
SKIZAB Shikoku Igaku Zasshi. Shikoku Medical Journal. (Tokushima Igakkai, Tokushima Daigaku Igakubu, Kuramoto-cho, Tokushima 770, Japan) V.1- 1950- Volume(issue)/page/year: 34,183,1978
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
620 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
489 mg/m3/2H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
10 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Mammal - cat
DOSE/DURATION :
223 mg/m3/7H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
95 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
411 mg/m3/7H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
140 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Behavioral - excitement Lungs, Thorax, or Respiration - cyanosis
REFERENCE :
AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 40,164,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
6600 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
905 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
411 mg/m3/7H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
TMMT** "The Toxicology of Methylcyclopentadienyl Manganese Tricarbonyl," Witherup, S., et al., Cincinnati, OH, Univ. of Cincinnati, 1976 Volume(issue)/page/year: -,-,1976 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
75426 mg/kg/1Y-I
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: 23,473,1992 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Mn)/m3 (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 TOXICOLOGY REVIEW AMRL** Aerospace Medical Research Laboratory Report. (Aerospace Technical Div., Air Force Systems Command, Wright-Patterson Air Force Base, OH 45433) Volume(issue)/page/year: TR-73-125,1973 TOXICOLOGY REVIEW 85DHAX "Medical and Biologic Effects of Environmental Pollutants Series," Washington, DC, National Academy of Sciences, 1972-77 Volume(issue)/page/year: Mn,126,1973 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.1 ppm (0.2 mg/m3) (skin) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,164,1971 OSHA PEL (Shipyard):CL 5 mg(Mn)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 0.2 mg/m3;Skin JAN 1993 OEL-BELGIUM:TWA 0.2 mg/m3;Skin JAN 1993 OEL-DENMARK:TWA 0.1 ppm (0.2 mg/m3);Skin JAN 1993 OEL-FINLAND:TWA 0.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL-FRANCE:TWA 0.2 mg/m3;Skin JAN 1993 OEL-SWITZERLAND:TWA 0.1 ppm (0.2 mg/m3);Skin JAN 1993 OEL-UNITED KINGDOM:TWA 9.2 mg/m3;STEL 0.6 mg/m3;Skin JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO THE CHEMICAL-air:10H TWA 0.2 mg/m3 (Sk) REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 84547 No. of Facilities: 11 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 34 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 84547 No. of Facilities: 65 (estimated) No. of Industries: 2 No. of Occupations: 5 No. of Employees: 4891 (estimated)

Safety Information

[ Hazard Codes ]:
T

[ Risk Phrases ]:
R23/24/25

[ Safety Phrases ]:
S23-S26-S36/37/39-S45

[ RIDADR ]:
UN 3281 6.1/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
OP1450000

[ Packaging Group ]:
II

[ Hazard Class ]:
6.1


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