Derivatization reagents for GC, alkylation, methylation, TMSH
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TMSH is used for methylation of fatty acids, because it is just necessary to add the reagent (0.2 M in methanol) to the sample solution. Removal of excess reagent is not required, since in the injector of the gas chromatograph at 250 °C pyrolysis to volatile methanol and dimethylsulfide will occur. Due to the high reactivity, complete derivatization is often obtained at ambient temperature. However, heating (e.g., 10 min at 100 °C) in a closed sample vial may be necessary. These products contain harmful substances which must be specially labeled as hazardous. For detailed information please see SDS.
| Composition | Trimethylsulfonium hydroxide (TMSH) in methanol |
|---|---|
| Derivatization type | Alkylation, methylation |
| Hazardous material | Yes |
| Method | Gas chromatography (GC), derivatization |
| Recommended application(s) | Chlorophenols, Chlorophenoxycarboxylic acids, Derivatization, Free acids, Lipids, Phenols, Triglycerides |
| Selling unit | 1x10 mL, 5x10 mL, 10x1 mL, 20x1 mL |
| Storage temperature | 2–8 °C / 36–46 °F |