Process for the production of phosphoric...

Details Process for the production of phosphoric... Process for the production of phosphoric...

C - Chemistry, Metallurgy

07

F

260/537.7

C07F 9/26 (2006.01)

Patent

CA 1065891

ABSTRACT OF THE DISCLOSURE Process for the production of phosphoric acid -dimethylamide-dichloride (A) or phosphoric acid-bis- (dimethylamide)-chloride (B) by reacting phosphorus oxy- chloride and dimethylammonium chloride at elevated tempera- ture under anhydrous conditions, which comprises heating phosphorus oxychloride with a mixture of dimethylammonium- chloride and A and/or B to temperatures of 130° to 240°C, using per mole of phosphorus oxychloride at least 1 mole of dimethylammonium chloride and optionally distilling off A or B from the reaction mixture. The compounds A and B produced according to the process are valuable intermediate products for the manufacture of pesticides, solvents, and lubricants.

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