ˈɛvənz blˈuː ɪz fˌɑːɹmɐkəlˈɑːdʒɪkli ˈæktɪv, ˈæktɪŋ æz ɐ nˈɛɡətˌɪv ˌæləstˈɛɹɪk mˈɑːdʒuːlˌeɪɾɚɹ ʌvðɪ ˈæmpə ænd kˈaɪneɪt ɹᵻsˈɛptɚz ænd æz ɐn ɪnhˈɪbɪɾɚɹ ʌv vɛsˈɪkjʊlɚ ɡlˈuːɾɐmˌeɪt tɹænspˈoːɹɾɚz.
Evans blue is pharmacologically active, acting as a negative allosteric modulator of the AMPA and kainate receptors and as an inhibitor of vesicular glutamate transporters.