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Coumarin is a fragrant organic chemical compound in the benzopyrone chemical class, which is a colorless crystalline substance in its standard state. It is a natural substance found in many plants.
C 2535 (OTTO) Coumarine, 99% Cas 91-64-5 - used as an additive in perfumes and fragranced consumer products at concentrations ranging from <0. 5% to 6.