Amitraz CAS NO.33089-61-1

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Dimethyl amidine, also known as the mite gram, dichloramidine, acarite kill.The invention relates to a broad spectrum acaricidal insecticide of formamidine, which belongs to moderate toxic acaricide.Its acaricidal activity was reported by b.h.palmer et al in 1971, and recommended by Boots Co.Ltd in 1973.Chemical name: 1, 5 - two - (2, 4 - methyl phenyl) - 3 - methyl - 1,3,5 - three nitrogen pentadiene - 1, 4, technical white needle crystal or yellow, have the taste of some carbon amine, density 0.3, melting point of 86 ~ 87 ℃, 20 ℃ when the vapor pressure of 506.6 x 10-7 Pa, slightly soluble in water, soluble in xylene, acetone and methanol and other organic solvents.It is stable to temperature and light in the absence of water.It's unstable under acidity.Not flammable, not explosive, long-term storage in a humid place easy decomposition and deterioration.Have touch kill, refuse to eat, drive avoid action, also have certain stomach poison, fumigation and inside absorb action.It is effective for all kinds of mite states, but not for overwintering eggs.It has many toxic mechanisms, mainly inhibiting the activity of monoamine oxidase and stimulating the non-cholinergic synapses in the central nervous system of acarus mite.The acaricides that are resistant to other acaricides also have higher activity.The pharmacodynamic period can be up to 40 ~ 50 days.It is mainly used in fruit trees, vegetables, tea, cotton, soybean, sugar beet and other crops to prevent and control various harmful mites. It also has good control effect on psyllids, effective on some lepidoptera insect eggs, and has certain effect on scale insects, aphid, cotton bollworm, red bollworm and so on. It can also prevent and control cattle, sheep tick mites and bee mites.Dimethylamidine can be mixed with organophosphorus, pyrethroid, avermectin and other pesticides.The mixture was 10.8% avi - dimethyl cream.

Acute oral LD50 in rats was 500 ~ 600 mg/kg, acute percutaneous LD50 in rabbits was 200 mg/kg, and acute inhaled LC50 in rats was 65mg/L.Low toxicity to bees, birds and natural enemies.Irritating to skin and mucous membranes.The central nervous system of the human body can have an inhibitory effect, no specific detoxification drugs after poisoning.LC50(mg/kg) to natural enemies: wild duck 7000, Japanese quail 1800, north American quail 788;LC50(14 days) earthworm >1000mg/kg;Low toxicity to bees and carnivorous insects, LC50(exposure)>50 g/ bee.Toxic to fish, carp 48 hours of exposure to LC50 is 1.17 mg/l.No accumulation of toxicity in vivo.