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7173-51-5 suppliers didecyl dimethyl ammonium chloride manufacturers didecyl dimethyl ammonium chloride for sale
7173-51-5 suppliers didecyl dimethyl ammonium chloride manufacturers for sale
Production method
There are two main routes.
(1) In the presence of potassium iodide, chlordetamine and methamine reaction, pre-made double methyl methyl sepamine, and then double methyl methyl sepamine in the pressure, in water and isopropyl alcohol medium, heating under pressure with chloromethane reaction, the production of chlorinated bimethylmethylmethyl ammonium products.
(2) In the presence of the catalyst, the amine reaction is carried out by the mixture of positive pyrethroids and hydrogen and methamine, and the pre-emptive dichothyl methyl sepamine is obtained. Then added in the pressure kettle double-diazepam, a small amount of sodium carbonate and a moderate amount of isopropyl alcohol, with nitrogen to replace the air, heating up to 80 to 90 degrees C, into chloromethane, pressure 0.3 to 0.5MPa, reaction 3 to 4h is the chlorinated diazepam products.
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