*** 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
COMPOUND DESCRIPTOR : Organometallic
Primary Irritant
SYNONYMS/TRADE NAMES :
* AK-33X
* Antiknock-33
* CI-2
* Combustion improver -2
* Manganese, (methylcyclopentadienyl)tricarbonyl-
* Methylcyclopentadienyl manganese tricarbonyl
* 2-Methylcyclopentadienyl manganese tricarbonyl
* Methylcyklopentadientrikarbonylmanganium
* MMT
* Tricarbonyl(methylcyclopentadienyl)manganese
*** HEALTH HAZARD DATA ***
** SKIN/EYE IRRITATION DATA **
TYPE OF TEST : Standard Draize test
ROUTE OF EXPOSURE : Administration onto the skin
SPECIES OBSERVED : Rodent - rabbit
DOSE/DURATION : 100 mg/24H
REACTION SEVERITY : Mild
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
TOXIC EFFECTS :
Kidney, Ureter, Bladder - other changes in urine composition
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
Nutritional and Gross Metabolic - weight loss or decreased weight gain
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)
*** STATUS IN U.S. ***
EPA TSCA Section 8(b) CHEMICAL INVENTORY
EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998
*** END OF RECORD ***
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