317632

(Methylcyclopentadienyl)manganese(I) tricarbonyl

• Synonym(s): (Methylcyclopentadienyl)tricarbonylmanganese, MCMT, Tricarbonyl(2-methylcyclopentadienyl)manganese, Ethyl MMT, MMT, NSC 22316
• Linear Formula: C₅H₄CH₃Mn(CO)₃
• CAS Number: 12108-13-3
• Molecular Weight: 218.09
• EC Number: 235-166-5
• MDL number: MFCD00001426
• UNSPSC Code: 12352300
• PubChem Substance ID: 24859093
• NACRES: NA.22

Properties

• vapor density: >1 (vs air)
• Quality Level: 100
• vapor pressure: 0.05 mmHg ( 20 °C)
• form: liquid
• reaction suitability: core: manganese; reagent type: catalyst
• refractive index: n20/D 1.584 (lit.)
• bp: 232-233 °C (lit.)
• mp: −1 °C (lit.)
• density: 1.38 g/mL at 25 °C (lit.)
• SMILES string: [Mn].[C-]#[O+].[C-]#[O+].[C-]#[O+].C[C]1[CH][CH][CH][CH]1
• InChI: 1S/C6H7.3CO.Mn/c1-6-4-2-3-5-6;3*1-2;/h2-5H,1H3;;;;
• InChI key: LYHJNAIHGFWRKM-UHFFFAOYSA-N

Description

General description

Methylcyclopentadienyl manganese tricarbonyl (MMT) is commonly used as an antiknock agent in gasoline. It is also used as an additive in unleaded gasoline.

Application

Methylcyclopentadienyl manganese tricarbonyl can be used for doping of ZnSe nanocrystals.
It can also be used as a reactant for:

• Aldol addition reactions.
• Preparation of homo- and heteronuclear mixed biscarbene complexes with conjugated bithiophene units.
• Molecular fragmentation using shaped femtosecond laser pulses.
• Preparation of MnAs thin films grown on GaAs(001) by metalorganic vapour phase epitaxy (MOVPE).

Safety Information

• Pictograms: GHS06,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H301 - H310 + H330 - H315 - H372 - H410
• Precautionary Statements: P262 - P273 - P280 - P302 + P352 + P310 - P304 + P340 + P310 - P314
• 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
• Target Organs: Lungs
• Storage Class Code: 6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): 204.8 °F - closed cup
• Flash Point(C): 96 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves