2-METHYLCYCLOPENTADIENYL MANGANESE†
CAS # | 12108-13-3 |
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Formula |
C₉H₇MnO₃ |
Synonyms |
CI-2; Combustion Improver-2; manganese tricarbonylmethylcyclopentadienyl; 2-methylcyclopentadienyl manganese tricarbonyl; MMT; methylcyclopentadienyl manganese tricarbonyl |
Physical description | Yellow to dark-orange liquid with a faint, pleasant odor. | ||
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Boiling point | 449°F | Molecular weight | 218.1 |
Freezing point/melting point | 34°F | Vapor pressure | 7.3 mmHg at 212°F |
Flash point | 230°F | Vapor density | 0.00064 at 70°F |
Specific gravity | 1.39 | Ionization potential | |
Lower explosive limit (LEL) | Upper explosive limit (UEL) | ||
NFPA health rating | NFPA fire rating | ||
NFPA reactivity rating | NFPA special instruction | ||
Vapor hazard ratio (VHR) | |||
Historical exceedance percentage | |||
Target organs |
Analyte code (IMIS no.) | |||
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Sampling group | |||
Sampler/Sampling media | |||
Sampling time* | |||
Sampling volume (TWA)* | |||
Sampling flow rate (TWA)* | |||
Sampling volume (STEL/Peak/C)* | |||
Sampling flow rate (STEL/Peak/C)* | |||
Analytical method instruments | |||
Method reference | |||
Notes | |||
Special requirements |
* All sampling instructions above are recommended guidelines for OSHA Compliance Safety and Health Officers (CSHOs), please see the corresponding OSHA method reference for complete details.
Sampler/Sampling media |
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Bulk Method |
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Device | |||||
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Model/Type | |||||
Sampling information (see manufacturer instructions) |
OSHA PEL
8-hour TWA (ST) STEL (C) Ceiling Peak |
NIOSH REL
Up to 10-hour TWA (ST) STEL (C) Ceiling |
ACGIH TLV©
8-hour TWA (ST) STEL (C) Ceiling |
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PEL-TWA |
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REL-TWA |
0.2 mg/m³ |
TLV-TWA |
0.2 mg/m³ [1970] |
PEL-TWA |
0.2 mg/m³ |
PEL-STEL |
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REL-STEL |
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TLV-STEL |
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PEL-STEL |
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PEL-C |
5 mg/m³ |
REL-C |
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TLV-C |
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PEL-C |
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Skin notation |
N |
Skin notation |
Y |
Skin notation |
Y |
Skin notation |
Y |
Notes:
See Manganese compounds (as Mn), 29 CFR 1910.1000 Table Z-1 |
Notes:
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Notes:
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Notes:
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Health factors: See NIH-NLM PubChem. | IDLH | ||||||
Carcinogenic classifications: Not listed |
Notes:
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AIHA emergency response planning guidelines - ERPG-1/ERPG-2/ERPG-3:
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Additional Resources and Literature References |
NOAA: CAMEO Chemicals - Methylcyclopentadienylmanganese tricarbonyl NIOSH: Pocket Guide to Chemical Hazards - Methyl cyclopentadienyl manganese tricarbonyl (as Mn) Literature References
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Last Updated Date : 12/15/2020