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About: Methylcyclopentadienyl manganese tricarbonyl     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : umbel-rc:ChemicalSubstanceType, within Data Space : dbpedia.org associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatCarbonylComplexesyago:WikicatCyclopentadienylComplexesyago:WikicatManganeseCompoundsyago:WikicatOrganomanganeseCompoundsyago:Abstraction100002137yago:Cognition100023271yago:Complex105870365yago:Compound105870180yago:Concept105835747yago:Content105809192yago:Idea105833840yago:PsychologicalFeature100023100yago:WikicatHalfSandwichCompoundschemical compoundyago:Whole105869584umbel-rc:ChemicalSubstanceType New Facet based on Instances of this Class

Methylcyclopentadienyl 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. Following the implementation of the Clean Air Act (United States) (CAA) in 1970, MMT continued to be used alongside tetraethyl lead (TEL) in the US as leaded gasoline was phased out (prior to TEL finally being banned from US gasoline in 1995), and was also used in unleaded gasoline until 1977. Ethyl Corporation obtained a waiver from the U.S. EPA (Environmental Protection Agency) in 1995, which allows the use of MMT in US unleaded gasoline (not including reformulated gasoline) at a treat rate equivalent to 8.3 mg Mn/L (manganese per li