Dimethyl formamide (DMF) as an important chemical raw material and excellent solvent, mainly used in polyurethane, acrylic, pharmaceuticals, pesticides, dyes, electronics and other industries. Washed in the polyurethane industry as curing agent, ismainly used for the production of wet synthetic leather; synthetic drugs in the pharmaceutical industry as intermediates, widely used in the preparation of doxycycline, cortisone, sulfa drug production; acrylic industry the quenching circuit board as a solvent mainly used for the acrylic dry spinning production; pesticide industry for the synthesis of high efficiency and low toxicity pesticides; dyesin the dye industry as a solvent; tinned parts in the electronics industry as cleaning, etc.;other industries, including the carrier of dangerous gases, pharmaceutical crystallization using solvents and adhesives.