M |
| Malachite Green Oxalate C.I. 42000 |
| Martius Yellow Powder |
| Methyl Blue (Cotton Blue) C.I. 42780 |
| Methyl Orange C.I.13025 |
| Methyl Red Indicator ACS, Ph Eur C.I. 13020 |
| Methyl Red Sodium Salt C.I. 13020 |
| Methyl Violet 2B Powder C.I. 42535 |
| Methylene Blue BP73,ACS C.I. 52015 |
| Methylene Blue Trihydrate USP39 C.I. 52015 |
