What's Pyrethrum Extract ?
Pyrethrum extract is the main raw material for the preparation of mosquito coils, and is the active ingredient contained in the perennial herb of the Compositae family, Pyrethrum. Pyrethrin is a yellow viscous oily liquid with a fragrance. Insoluble in water, soluble in various organic solvents. It is unstable, decomposes in case of alkali, and decomposes under strong light or high temperature.
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