THYMOLPHTHALEIN MONOPHOSPHORIC ACID, MAGNESIUM SALT THYMOLPHTHALEIN MONOPHOSPHATE MAGNESIUM SALT TMP, MAGNESIUM SALT thymolphthalein monophosphate magnesium TMP, magnesium salt Thymolphthalein monophosphoric acid, magnesium salt magnesium bis[4-[3-[4-hydroxy-5-isopropyl-o-tolyl]-1-oxo-3H-isobenzofuran-3-yl]-6-isopropyl-m-tolyl] bis(hydrogen phosphate) Bis[[4-[3-(2-methyl-4-hydroxy-5-isopropylphenyl)-1(3H)-oxoisobenzofuran-3-yl]-5-methyl-2-isopropylphenoxy]phosphonic acid hydrogen]magnesium salt THYMOLPHTHALEIN MONOPHOSPHATE 90-95% MAGNESIUM SALT