- Mannitol
- Magnesium Oxide
- Magnesium Chloride
- Magnesium Hydroxide
- Malathion
- Maleic Acid
- Maleic Anhydrate
- Melamine
- Mercaptan
- Metalorganic Compounds
| - Methanol
- Methionine
- Methoxyacetone
- Methyl Ethyl Keytone
- Methyl Isobutyl Keytone
- Methyl Methacrylate
- Methyl Tertiary Butyl ether
- Methylene Chloride
- Mining Chemicals
- Mica
| - Mineral Acids
- Mineral Based Industry.
- Matches
- Microcrystalline Wax
- Mosquitoes
- Mineral Water
- Molecular Sieves
- Monochloroacetic Acid
- Monochlorophenol
- Monoethylene Glycol
- Monosodium Glutamate
- Morpholine
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