Brooker’s Merocyanine and Solvatochromism: How a chemical changes colour depending on its solvent

Picture Credit: NileRed (CC BY-SA 4.0) Dissolved in each member of this assortment of vials seen to the right is Brooker’s Merocyanine (or MOED). This prismatic array of solutions arises from very different interactions seen in each vessel between solvent (the liquid) and MOED (the solute). The fascinating property that allows the colour changes is […]

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