125-20-2, Name is Thymolphthalein, belongs to benzofurans compound, is a common compound. COA of Formula: C28H30O4In an article, once mentioned the new application about 125-20-2.
The invention relates to a method for controlling the application of an insecticide on a surface, which comprises the use of an insecticide composition including a pH indicator colorant in an aqueous medium changing to colourless after drying in the air on said surface, and the recoloration of the insecticide composition by remoistering selected areas of the surface to be checked.
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Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H4248O – PubChem