methylcyclopentadienyl manganese tricarbonyl (MMT)

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Unleaded gasoline antiknock additive(MMT) 1.Brief introduction Unleaded gasoline antiknock additive mainly composed of methylcyclopentadienyl manganese tricarbonyl (MMT) and a small quantity of stabilizer and dispersant. It is used in the gasoline blended mainly and boost the octane number of gasoline efficiently. 2.Physical and chemical indexes of MMT Items Units Indexes MMT98 MMT62 Appearance Orange liquid Orange liquid Manganese weight,% 24.4 15.1 Density(20℃) g/ml 1.38 1.11 Boiling point ℃ 232 179/212 Freezing point ℃ -1 -30 Flash point ℃ 82 40 Solubility Gasoline Mixing soluble Mixing soluble Chemical composition MMT, % >98 >62 Other supplementary liquids, % <2 <2 3.Antiknock principle of MMT MMT can be decomposed into small particles of active manganese oxides, owing to their facial function, these small particles effectively incorporate with those super oxides already existed in the engine, which reduces the concentration of the super oxides before combustion, meanwhile cuts a part of chain reaction, then delays the automatic lighting time, reduces the burning speed, and strengthens the fuel antiknock function. Adding a certain amount additive in the liquid product, its function principle: it can raise the light stability of the main antiknock additive content (MMT), In the meantime, after the gasoline burning ,additive can help to put metals oxide produced by the main antiknock additive burned outside of the derivation machine , promote gasoline burning completely; reducing the tail gas pollutants exhaust, reducing the burnable room to accumulate carbon , raising a product comprehensive usage function. 4.Functions of MMT 1) The octane number can be enhanced by 2-3 units by adding MMT to the gasoline. 2) Increase engine driving power, decrease its oil consumption 3) Better soluble abilities with MTBE and ethanol 4) Reduce disposal of pollutants in automobile tail gas 5) Improve octane number function to the waste gas cat of the automobile 6) Improve operating of oil refining 7) Increase the flexibility of the gasoline concoction 5.The MMT product storage, transports and usage 1) Packing Packed in 200L zinc iron plating pail, net weight 200 kg/pail, or packed in specially made storage tan, 5 T, 10 T per tank or as required 2) The storage request A.Storage at cool, dry and ventilation conditions, far away from the fire source. B.The gasoline sample and staying kind with MMT must use a brown bottle. 3) Operation method MMT is directly blending into the gasoline by pro ratio.

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XAYT Petrochemical Technology Development Co.,Ltd

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