Methylcyclopentadienyl manganese tricarbonylMethylcyclopentadienyl manganese tricarbonyl (MMT or MCMT) is an organomanganese compound with the formula (C5H4CH3)Mn(CO)3. Initially marketed as a supplement for use in leaded gasoline, MMT was later used in unleaded gasoline to increase the octane rating. Read from the Chembox of the Wikipedia article Methylcyclopentadienyl manganese tricarbonyl, revision 1380020159.

Property

Value

Formula

C9H7MnO3, 218.09 g/mol

Melting point

-1 °C

Boiling point

232.5 °C

Density

1.38 g/cm³

Flash point

110 °C

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