Avermectins 3.2%

Pesticides commonly used is called abamectin ointment abamectin......
AVERMECTINS 3.2%


Molecular formula: C48H72O14 (B1a) • C47H70O14 (B1b)
Structural formula:
Molecular weight: (873.09); (859.06)
CAS Registry Number :71751-41-2
Density: 1.16
Melting point :150-155 ℃
Pesticide type: insecticide / acaricide (agricultural veterinary)
Chemical Category: Bio-Source
  Physical and chemical properties: the original drug powder is white or yellow crystals (including B1a ≥ 90%), vapor pressure <200nPa, melting point 150 - 155 ℃, 21 ℃ Solubility in water 7.8 mg / l, acetone 100, toluene in the 350, isopropanol 70, chloroform 25 (g / L) at room temperature difficult to decompose. At 25 ℃, pH5-9 in solution without decomposition of the phenomenon. Pesticides commonly used is called abamectin ointment abamectin powder is refined accessories, for xylene dissolve EC installed, the content between 3-7%.
  Mode of action and characteristics: contact toxicity, stomach toxicity, of the infiltration. It is a macrocyclic lactone pairs of carbohydrates. Isolated from the microbial natural products, against insects and mites with contact and stomach toxicity and a weak fumigation effect, no inside suction. But its leaves have a strong infiltration under the skin can kill pests, and a long residual period of limitations. It does not kill eggs. The mechanism and the general difference is that it interferes with pesticides neurophysiological activities, and stimulate the release of r-amino butyric acid, while the r-amino butyric acid on the arthropod nerve conduction inhibited,
  Mites into, if the mites and insects and larvae occur after contact with the pharmaceutical paralysis symptoms, inactive non-feeding ,2-4 days after death. Insects because they do not cause rapid dehydration, so it's the role of slow death. But predatory and parasitic natural enemies despite the direct killing effect, but the surface remains small plants, so little damage to beneficial insects. Obvious effect on the root-knot nematodes.

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