... -13-3 1, physical and chemical indicators Methyl cyclopentadienyl manganese tricarbonyl (referred to as MMT), by product composition, use ... insoluble in water Moisture, mg / kg ≤ 200≤ 200Methyl cyclopentadienyl manganese tricarbonyl quality base percentage% ≥ 98%≥ 62%2, the mechanismMMT decomposition ... the exhaust gas compared to CO decreased 17.7%, HC decreased 18.2%.4, application MMT gasoline gas oil ...