¶ … Interactions of Hazardous Materials
Chemistry of the process
MCMT, methylcyclopentadienyl manganese tricarbonyl, was manufactured in a three-step process by T2 Laboratories, Inc. The first step of the chemical reaction necessitated the use of heating to activate or initiate the reaction. All three of the steps that followed were heat producing (exothermic) and in turn required some form of cooling. The first step (known as metalation), involves molten metallic sodium being reacted together with methylcyclopentadiene (MCPD) using diglyme (diethylene glycol dimethyl ether) as a catalyst in order to produce two MCPD molecules; these then reacted with sodium. The T2 firm released the hydrogen gas by-product produced by this reaction into the atmosphere.
The second step, referred to as substitution, involved the addition of dry manganese chloride powder to the reactor by the T2 firm employees. The manganese chloride then reacts with sodium MCPD within the reactor, resulting in the formation of sodium chloride as a by-product and manganese dimethylcyclopentadiene.
The third and final step, referred to as carbonylation, involves the injection of Carbon monoxide gas (CO) at the rear end of the reactor by the T2 chemists. The gas is bubbled, under pressure, through manganese dimethylcyclopentadiene. This final step also involves each of the two methylcyclopentadiene molecules on the manganese complex being replaced by 3 carbon monoxide molecules, thus forming MCMT.
After the carbonylation phase, the process operator at T2 then distilled the mixture to eliminate diglyme and MCMT....
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