Purpurin is an orange-yellow crystalline compound that naturally occurs in the roots of madder plant and is used as a red dye.
81-54-9
1,2,4-Trihydroxyanthraquinone;Purpurin;CI 58205
C14H8O5
Irritant
Dyes and Colors , Photovoltaic Materials , Specialty Chemicals
Orange needles or powder
259
302.24