| Identification | More | [Name]
METHYLCYCLOPENTADIENYLMANGANESE TRICARBONYL | [CAS]
12108-13-3 | [Synonyms]
2-METHYLCYCLOPENTADIENYL MANGANESE TRICARBONYL
METHYLCYCLOPENTADIENYLMANGANESE TRICARBONYL
(1-Methyl-2,4-cyclopentadien-1-yl)manganese tricarbonyl
(eta5-Methylcyclopentadienyl) manganese tricarbonyl-
(methylcyclopentadienyl)manganesetricarbonyl[qr]
(methylcyclopentadienyl)tricarbonyl-manganes
(Methylcyclopentadienyl)tricarbonylmanganese
(methylcyclopentadienyl)tricarbonylmanganese[qr]
2-methylcyclopentadienyl
2-methylcyclopentadienylmanganesetricarbonyl[qr]
Ak-33x
ak-33x[qr]
Antiknock-33
antiknock-33[qr]
CI-2
ci-2[qr]
Combustion improver-2
combustionimprover-2
combustionimprover-2[qr]
EthylMMT | [EINECS(EC#)]
235-166-5 | [Molecular Formula]
C9H7MnO3 5* | [MDL Number]
MFCD00001426 | [Molecular Weight]
218.09 | [MOL File]
12108-13-3.mol |
| Chemical Properties | Back Directory | [Appearance]
liquid | [Melting point ]
-1 °C (lit.) | [Boiling point ]
232-233 °C (lit.) | [density ]
1.38 g/mL at 25 °C(lit.)
| [vapor density ]
>1 (vs air)
| [vapor pressure ]
0.05 mm Hg ( 20 °C)
| [refractive index ]
n20/D 1.584(lit.)
| [Fp ]
205 °F
| [storage temp. ]
Poison room | [form ]
liquid | [color ]
yellow | [Specific Gravity]
1.388 | [Stability:]
Stable. Incompatible with strong oxidizing agents. | [biological source]
human | [Water Solubility ]
Insoluble in water. Soluble in hydrocarbon solvents, alcohols, ether, acetone | [Sensitive ]
Air Sensitive | [Merck ]
14,6223 | [Exposure limits]
ACGIH: TWA 0.2 mg/m3 (Skin)
OSHA: Ceiling 5 mg/m3
NIOSH: IDLH 500 mg/m3; TWA 0.2 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3 | [InChI]
1S/C6H7.3CO.Mn/c1-6-4-2-3-5-6;3*1-2;/h2-5H,1H3;;;; | [InChIKey]
LYHJNAIHGFWRKM-UHFFFAOYSA-N | [SMILES]
[Mn].[C-]#[O+].[C-]#[O+].[C-]#[O+].C[C]1[CH][CH][CH][CH]1 | [LogP]
3.4 at 26℃ | [CAS DataBase Reference]
12108-13-3(CAS DataBase Reference) | [EPA Substance Registry System]
Methylcyclopentadienyl manganese tricarbonyl (12108-13-3) |
| Safety Data | Back Directory | [Symbol(GHS) ]
  
GHS06,GHS08,GHS09 | [Signal word ]
Danger | [Hazard statements ]
H301-H310+H330-H315-H372-H410 | [Precautionary statements ]
P262-P273-P280-P301+P310+P330-P302+P352+P310-P304+P340+P310 | [Hazard Codes ]
T | [Risk Statements ]
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R40:Limited evidence of a carcinogenic effect. | [Safety Statements ]
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) . | [OEB]
C | [OEL]
TWA: 0.2 mg/m3 [skin] | [RIDADR ]
UN 3281 6.1/PG 2
| [WGK Germany ]
3
| [RTECS ]
OP1450000
| [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
6.1 | [PackingGroup ]
II | [Storage Class]
6.1A - Combustible acute toxic Cat. 1 and 2
very toxic hazardous materials | [Hazard Classifications]
Acute Tox. 1 Inhalation
Acute Tox. 2 Dermal
Acute Tox. 3 Oral
Aquatic Acute 1
Aquatic Chronic 1
Skin Irrit. 2
STOT RE 1 Inhalation | [Safety Profile]
Poison by ingestion,
inhalation, skin contact, intravenous, and
intraperitoneal routes. A slimn irritant. When
heated to decomposition it emits toxic
fumes of CO. See also MANGANESE
COMPOUNDS and CARBONYLS. | [Hazardous Substances Data]
12108-13-3(Hazardous Substances Data) | [Toxicity]
LD50 orally in mice, guinea pig, rabbit: 352; 905; 95 mg/kg; orally in male, female rats: 175 ±33; 89 ±14; LC50 inhalation in rat: 0.22 mg/l (Stara) |
| Hazard Information | Back Directory | [General Description]
An orange liquid with a pleasant odor. Slightly soluble in water and denser than water. May be toxic by inhalation, ingestion and/or skin absorption. | [Reactivity Profile]
METHYLCYCLOPENTADIENYLMANGANESE TRICARBONYL(12108-13-3) decomposes when exposed to light. METHYLCYCLOPENTADIENYLMANGANESE TRICARBONYL(12108-13-3) is stable in water. | [Air & Water Reactions]
Slightly soluble in water. | [Hazard]
Toxic by ingestion, inhalation, and skinabsorption. Central nervous system impairment;lung, liver and kidney damage。 | [Health Hazard]
In concentrated form this compound is highly toxic by all routes of exposure. Approximately 5-15 ml, when spilled on the hand and wrist of a worker, produced toxic effects within 3-5 minutes. | [Potential Exposure]
MMT is used as an octane improver
in unleaded gasoline, other distillate fuels, and fuel oils;
as a smoke abater in fuels. | [Fire Hazard]
When heated to decomposition, this compound emits toxic fumes of carbon monoxide. Hazardous polymerization may not occur. | [First aid]
If this chemical gets into the eyes, remove any
contact lenses at once and irrigate immediately for at least
15 minutes, occasionally lifting upper and lower lids. Seek
medical attention immediately. If this chemical contacts the
skin, remove contaminated clothing and wash immediately
with soap and water. Seek medical attention immediately.
If this chemical has been inhaled, remove from exposure,
begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if
heart action has stopped. Transfer promptly to a medical
facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce
vomiting. Do not make an unconscious person vomit | [Shipping]
UN3281 Metal carbonyls, liquid n.o.s. Hazard
class 6.1. Technical name required, Potential Inhalation
Hazard (Special Provision 5). | [Incompatibilities]
Light causes decomposition. May be
air-reactive. A strong reducing agent. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause
fires or explosions. Keep away from alkaline materials,
strong bases, strong acids, oxoacids, epoxides, halogens. | [Description]
Manganese, tricarbonyl methylcyclopentadienyl is a dark orange liquid. Faintly pleasant, herb-like odor. Molecular weight= 218.10;Boiling point=232℃; Freezing/Melting point=18℃; Flash point=74℃; 96℃. Hazard Identification (based on NFPA-704 M Rating System): Health 3, Flammability 0, Reactivity 0. Practically insoluble in water. | [Chemical Properties]
Manganese, tricarbonyl methylcyclo-pentadienyl
is a dark orange liquid. Faintly pleasant, herb-like odor. | [Waste Disposal]
Generators of waste (equal
to or greater than 100 kg/mo) containing this contaminant, EPA hazardous waste number N450, must conform
to USEPA regulations for storage, transportation, treatment, and disposal of waste. Dispose of waste material
as hazardous waste using a licensed disposal contractor
to an approved landfill. Dispose of contents and container to an approved waste disposal plant. Containers
must be disposed of properly by following package label
directions or by contacting your local or federal environmental control agency, or by contacting your regional
EPA office. All federal, state, and local environmental
regulations must be observed. Do not discharge into
drains or sewers.
| [Uses]
Antiknock fuel additive; dopant for Mn. | [Uses]
Octane enhancer in gasoline; reduces
smoke emissions from home, commercial,
industrial, and marine burners | [Uses]
Used for doping of ZnSe nanocrystals 1 Reactant for: Aldol addition reactions 2 Preparation of homo- and heteronuclear mixed biscarbene complexes with conjugated bithiophene units 3 Molecular fragmentation using shaped femtosecond laser pulses 4 Preparation of MnAs thin films grown on GaAs(001) by metalorganic vapour phase epitaxy (MOVPE) 5 | [Application]
Methylcyclopentadienyl manganese tricarbonyl is generally used as an anti-knock agent for gasoline, to increase the octane number of gasoline, thereby preventing engine detonation and improving combustion efficiency. Additionally, it can be used industrially as an organic synthesis catalyst, a precursor in chemical vapor deposition methods for preparing high-performance films, and in laboratory research for doping semiconductor nanocrystals (such as ZnSe) to study their material properties. | [Definition]
Methylcyclopentadienyl Manganese Tricarbonyl is a dark orange liquid with a faintly pleasant odor. It is used as a fuel additive to abate smoke and as a gasolinc additive in antiknock mixes.
| [Preparation]
Into a reaction flask under nitrogen was placed 1.26 parts bis(methylcyclopentadienyl) manganese (91.8% pure), 0.93 parts manganous acetate, 0.78 parts tetrahydrofuran (THF) and 17.31 parts toluene. Over a period of 15 minutes, a solution of 1.24 parts triethyl aluminum (TEA) in 8.70 parts of toluene was added to the above mixture with a vigorous stirring (Al/Mn atom ratio 1/1, TEA/THF mole ratio 1/1). The solution darkened slightly. This solution of the intermediate complex was transferred under nitrogen to a stainless steel autoclave. The autoclave was sealed, pressurized twice to 300 psig with carbon monoxide and vented and finally pressurized with carbon monoxide to 600 psig and heated while stirring to 100° C. Carbon monoxide was added as needed to maintain 600 psig. After two hours at 100° C., the temperature was raised to 150° C. for 30 minutes. The autoclave was then cooled, vented and discharged. The mixture was hydrolyzed with 10% aqueous HCl. An equal volume of pentane was added to extract the MMT. The pentane phase was analyzed by gas chromoatograph (GC) using a pentadecane internal standard to show a yield of Methylcyclopentadienyl manganese tricarbonyl(MMT) based on manganese of 84% and, based on MCP, of 89%. | [Flammability and Explosibility]
Nonflammable | [reaction suitability]
core: manganese
reagent type: catalyst | [storage]
Color Code—Blue: Health Hazard/Poison: Store in a secure poison location. Prior to working with this chemical you should be trained on its proper handling and storage. Store in tightly closed containers in a cool, well-ventilated area away from oxidizers. Where possible, automatically pump liquid from drums or other storage containers to process containers. |
|
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tonsooh Gold
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Alfa Aesar
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Energy Chemical
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T&W GROUP
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