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Abamectin Specification

Active Ingredient B1a +B1b: 95%min ; B1a : 90%min.
Appearance white to yellowish crystalline powder

Abamectin Physical And Chemical Properties

Chemical Name 5-O-demethylavermectin (B1a) mixture with 5-O-demethyl -25-de(1-methylpropyl)-25-(1-methyl)avermectin (B1b)
CAS No. Avermectin B1a - 65195-55-3
Avermectin B1b - 65195-56-4
Empirical Formula B1a: C48H74O14(R=C2H5); C47H70O14(ii)
B1b: C47H72O14(R=CH3)
Molecular Weight B1a: 872
B1b: 858
Structural Formula  

Abamectin B1a Structural Formula

Abamectin B1b Structural Formula


Melting point 157-162 °C
Solubility 58g/kg in water, 1000g/kg in methanol, 730g/kg in acetone, 420g/kg in ethanol, 220g/kg in isopropanol, 30g/kg in toluene
Vapor pressure Negligible
Corrosive properties Non-corrosive.
Explosive properties Explosion hazard in the presence of strong oxidizers
Acute oral LD50 11mg/kg (rat)

Abamectin Formulations

  1.8% w/w EC, 2.0% w/w EC

Abamectin Application


Abamectin is a mixture of avermectins containing > 80% avermectin B 1a and < 20% avermectin B1b. These two components, B 1a and B1b have very similar biological and toxicological properties .

The avermectins are insecticidal or anthelmintic compounds derived from the soil bacterium Streptomyces avermitilis. Abamectin is a natural fermentation product of this bacterium. Abamectin is used to control insect and mite pests of a range of agronomic, fruit, vegetable and ornamental crops, and it is used by homeowners for control of fire ants.

Abamectin is a highly effective insecticide and miticide, Controling Colorado potato beetles, leafminers, mites, and pinworms. Agri-Mek* for use on apples, bell peppers, celery, citrus, cucurbits, grapes, head lettuce, hops, nuts, pears, potatoes, strawberries, and tomatoes. Clinch* for control of fire ants in bearing and nonbearing almonds and citrus.

Abamectin Quotation Form

Client Testimonial
" Instant assistance and professional support are what SinoHarvest is distinctive from the other agrochemical manufacturers and suppliers that we have been doing business with for more than 15 years. "

Chris Clock
Jadis Corporation, France

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