Boric acid is a white crystalline, oxygen-bearing acid of boron found in certain minerals and volcanic waters or hot springs. It's also called hydrogen borate, boracic acid, orthoboric acid and acidum boricum.
Boric acid was first registered in the US as an insectcide in 1948 for control of cockroaches, termites, fire ants, fleas, silverfish, and many other insects. The product is generally considered to be safe to use in household kitchens to control cockroaches and ants. It acts as a stomach poison affecting the insects' metabolism, and the dry powder is abrasive to the insects' exoskeletons.
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