阿维菌素

AVERMECTIN (ABAMECTIN)

Origin 

Avermectin is a liquid fermentation product of Streptomyces avermitilis and it is a mixture of Avermectin B_1a and B_1b.

 Formula and molecular Weight       

B_1a ：  C₄₈H₇₂O₁₄=872.1

B_1b ：  C₄₇H₇₀O₁₄=858.1

Ingredients: The purity of B1 is at least 95% and B1a is not less than 90% as well.

Description: This product is white or yellowish- white crystalline powder.

Solubility:  It’s melting point is 157-162℃.

Avermectin is easily soluble in ethyl acetate, acetone and chloroform, slightly soluble in hexane and petroleum ether, but unsoluble in water.

Usage  

The product is an antibiotic agent, which is active against nematodes, insects, mites etc. Injection and tablet made from the product are indicated for the treatment of gastrointestinal nematodes, hyproderma bovis, hyproderma lineatum, sheep nose bot, psoroptes ovis,  sarcoptes scabiei var suis, sarcoptes ovis etc. Recommended dosage:0.2-0.3mg/kg b.w. avermectin. The product can be formulated as insecticides and miticides used in crop protection, which is efficacious against mites, diamondback worm, common cabbage worm, leafminers, psylla, nematodes etc.

 Storage 

Sealed tightly,stored away from light in a cool and dry place.

Shelf life: 2 years