| Name | Formula | Solubility (Log Sw) |
|---|---|---|
| magnesium diniobate | Mg2Nb2O7 | -6.84 |
| magnesium hydrogenorthophosphate | HMgO4P | 0.26 |
| magnesium hydroxide | H2MgO2 | -4.47 |
| malaoxon | C10H19O7PS | -3.34 |
| malathion | C10H19O6PS2 | -3.37 |
| maleic anhydride | C4H2O3 | 0.62 |
| malonic acid | C3H4O4 | 0.78 |
| manganese | Mn | -4.89 |
| manganese 2-[(3-carboxy-2-oxidonaphthalen-1-yl)diazenyl]-4-chloro-5-methylbenzenesulfonate | C18H11ClMnN2O6S | -5.17 |
| manganese bis(dihydrogen phosphate) | H4MnO8P2 | 0.41 |
| manganese(II) carbonate | CMnO3 | -4.50 |
| manganese(II) chloride | Cl2Mn | 0.58 |
| manganese(II) dinitrate | MnN2O6 | 1.38 |
| manganese(II) disodium 2-({2-[bis(carboxylatomethyl)amino]ethyl}(carboxylatomethyl)amino)acetate | C10H12MnN2Na2O8 | 0.02 |
| manganese(II) hydrogen phosphate | HMnO4P | 0.15 |
| manganese(II) oxalate | C2MnO4 | -2.68 |
| maprotiline | C20H23N | -4.90 |
| mebendazole | C16H13N3O3 | -3.88 |
| mebutamate | C10H20N2O4 | -2.37 |
| mecarbam | C10H20NO5PS2 | -2.52 |
| mecarphon | C7H14NO4PS2 | -1.96 |
| mechlorethamine | C5H11Cl2N | -1.11 |
| meclizine | C25H27ClN2 | -4.63 |
| meconic acid | C7H4O7 | -1.38 |
| meconin | C10H10O4 | -1.89 |