| Name | CAS No. |
| Methyl propiolate | 922-67-8 |
| methylacrylate | 96-33-3 |
| Magnesium Sulphate Hydrate | 22189-08-8 |
| Manganese(IV) oxide | 1313-13-9 |
| Magnesium Carbonate | 546-93-0 |
| Magnesium chloride | 14989-29-8 |
| Manganese nitride | 12646-17-2 |
| Methyl alcohol | 67-56-1 |
| m-Cresol | 108-39-4 |
| Methyl Ether | 115-10-6 |
| Melamine | 108-78-1 |
| Maleic anhydride | 108-31-6 |