Abamectin
CAS No.:71751-41-2
Molecular Formula: C48H72O14 (avermectin B1a); C47H70O14 (avermectin B1b)
Molecular weight: 873.1 (avermectin B1a); 860.1 (avermectin B1b)
Form(Appearance): A mixture containing B1a avermectin B1b. Colourless to pale yellow crystals.
Melting point:161.8-169.4℃
Solubility:In water 7-10 μg/l (20℃). In toluene 350, acetone 100, isopropanol 70, chloroform 25, ethanol 20, methanol 19.5, n-butanol 10, cyclohexane 6 (all in g/l, 21℃).
Specification: It contains not less than 90.0% of Avermectin B1a and the sum of Avermectin B1a and B1b is not less than 95.0%.