Origin:The product is the hydrogenation product of Avermectin B1a and B1b.
Formula and molecular weight        
H2B1a: C48H74O14=875.1
H2B1b: C47H72O14=861.1
Ingredients:The purity of B1 is at least 95% in dry product,and B1a is not less
          than 90%.
Description:This product is white or light yellow crystalline powder.The product
          is easily soluble in methylene  chloride,soluble in ehanol,but unsoluble
          in water.
Usage   
The product is an antibiotic agent, which is active against nematodes, insects and mites. Injection and tablet made from the product are active against gastrointestinal nematodes, hyproderma bovis, hyproderma lineatum, sheep nose bot, psoroptes ovis, sarcoptes scabiei var suis, sarcoptes ovis and the like, In addition, it is indicated for the treatment of endoparasites (nematodes such as rondworms and lungworms). The product may be formulated as an insecticide and miticide used in agriculture, which is efficacious against mites, diamondback worm, common cabbage worm, leafminers,  psylla, nematodes and the like. Its main characteristics are as follows: it is efficacious against endo- and  ecto-parasites only used once.
 Storage
Sealed tightly and stored away from light in a  cool and dry place.
Formulations   : (1) 97%Tech (2)Injection: 1%, (3)Injection (long acting): 1.5%,3.15%；(4) premix: 0.2%,0.6％,1％； (5)pour-on: 0.5%； 6)oral solution: 0.2％ ; (6)tablet：5mg/tablet