Emamectin is a compound produced by the bacterium Streptomyces avermitilis that exists in numerous forms: as the free base emamectin, as emamectin benzoate salt, and as emamectin hydrochloride. Emamectin benzoate is a cream-colored powder that is the most common form of emamectin.
This chemical belongs to the avermectin compound family, of which all types are toxic to various insect pests. The efficacy of emamectin benzoate against mites, nematodes, and moths has made it a relatively popular insecticide in the U.S. and Canada.
List of known side effects
Emamectin benzoate can be highly toxic if swallowed. Animal studies have shown that the ingestion of emamectin benzoate can result in acute oral toxicity or death. Abamectin, from which emamectin is derived, has been linked to at least one successful suicide attempt, and has been known to cause such health complications as:
Mydriasis (pupil dilation)
This compound can be just as toxic if inhaled. The dust or fumes of emamectin benzoate can cause respiratory discomfort and distress, making this chemical particularly dangerous to persons with impaired respiratory function or pre-existing respiratory diseases such as emphysema or chronic bronchitis. Long-term exposure to emamectin benzoate can lead to changes in lung function, most notably pneumoconiosis, an occupational lung disease caused by breathing in dust.
Repeated dermal contact can result in abrasive skin damage. Open cuts and irritated skin are especially vulnerable to the detrimental effects of emamectin benzoate as it can enter the bloodstream through these openings and cause systemic injuries. Furthermore, testing on rats and rabbits has shown that dermal contact with large amounts of abamectin can produce tremors, weight loss, and result in death.
Emamectin, particularly emamectin benzoate, is toxic to non-target animals. In addition to intoxicating mollusks and zooplankton, emamectin benzoate can be highly toxic to fish and honeybees.
This chemical has the potential to become groundwater contaminant. While not mobile, emamectin benzoate breaks down gradually, depending on various environmental conditions. During the breakdown process, emamectin benzoate releases toxic byproducts that can impact the surrounding environment.
As a combustible solid, emamectin benzoate can emit poisonous fumes when exposed to a source of ignition. These fumes tend to contain carbon monoxide, carbon dioxide, and other pyrolysis products that result from the burning of organic materials.
Body systems affected by emamectin benzoate
Emamectin benzoate is a dermal, respiratory, gastrointestinal, and ocular irritant. Repeated or prolonged exposure to emamectin benzoate can damage these organs.
Items that can contain emamectin benzoate
This pesticide is typically used on ornamental trees, leafy and fruiting vegetables, cereal crops, nut trees, herbs and tea plants. As such, it’s highly likely that fruiting and leafy vegetables contain trace amounts of emamectin benzoate.
How to avoid emamectin benzoate
Emamectin benzoate exposure usually occurs through the ingestion of contaminated food or water, making it all the more important to check food and water sources to verify if emamectin benzoate was used.
When handling emamectin benzoate, wear the appropriate protective clothing: fully sealed chemical-protective goggles, chemical-resistant gloves, long-sleeved pants and shirts, and, if necessary, respirators. Avoid drinking, eating, or smoking while around this material, and thoroughly wash hands before handling and prior to drinking, eating, or smoking.
To store emamectin benzoate, keep it in its original container or one recommended by the manufacturer. Place emamectin benzoate in a cool, dry, and well-ventilated area away from foodstuffs and incompatible materials, such as pool chlorine, nitrates, and other oxidizing agents.
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