DEET (English diethylmethylbenzamide) referred to as "DEET, chemical name diethyl toluamide, avoid agent is a broad-spectrum insect flooding, for all kinds of environment variety of ding have ward off insects, can drive away flies, midge, black flies, chigger, deer flies, fleas, gnats, horse flies, mosquitoes, flies, small flying insects, stables flies and ticks.
Deet was developed and patented by the U.S. department of agriculture during world war ii, and was designated by the U.S. military in 1946 to be used by the U.S. military.
In the epa in 1957 as an insect ward off agent registration, began a civil, initially as a pesticide use on the farm, then the United States government to apply for the use in time of war, especially in Vietnam and southeast Asia, the United States environmental protection bureau statistics, every year, nearly 40% of americans use insect ward off agent containing deet, the world has a population of about 200 million, more than 40 years, more than 20000 research units of the research has proved that deet is currently on the market the most safe and effective broad spectrum displacement agent.
The world health organization also recommends the use of repellent products containing deet to prevent vector insects.
It is often mixed with other pesticides, but it is more toxic when mixed with carbamate.