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CAS RN: 333-27-7 | 產品號碼: T2029
Methyl Trifluoromethanesulfonate
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產品規格
| Appearance | Colorless to Almost colorless clear liquid |
| Purity(GC) | min. 98.0 % |
| NMR | confirm to structure |
性質
| 沸點 | 99 °C |
| flp | 38 °C |
| 比重 | 1.50 |
| 折射率 | 1.33 |
GHS
| 圖形表示 |
|
| 信號詞 | Danger |
| 危險性說明 | H314 : Causes severe skin burns and eye damage. H226 : Flammable liquid and vapor. |
| 防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P240 : Ground/bond container and receiving equipment. P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking. P233 : Keep container tightly closed. P243 : Take precautionary measures against static discharge. P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment. P242 : Use only non-sparking tools. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 : Wash contaminated clothing before reuse. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P403 + P235 : Store in a well-ventilated place. Keep cool. P405 : Store locked up. |
相關法規
運輸資料
| UN編號 | UN2920 |
| 類別 | 8 / 3 |
| 包裝類別 | II |
| HS編碼* | 2904.10-000 |
Application
Powerful Methylating Agent
Experimental procedure: To a stirred solution of 1 (8.5 mg, 0.038 mmol) in dichloromethane (2 mL) is added 2,6-di-tert-butylpyridine (0.172 mL, 0.77 mmol) and methyl trifluoromethanesulfonate (43 µL, 0.38 mmol). The solution is heated to 40 °C for 16 h before allowing to cool to rt and diluting with dichloromethane (10 mL). The solution is washed with water (5 mL) and the aqueous extracted with dichloromethane (3 x 4 mL). The combined organics are washed with brine (8 mL), dried (MgSO4) and concentrated in vacuo. Column chromatography (petrol:EtOAc = 100:0 ~ 80:20) gives 2 (9 mg, 100%) as a pale yellow oil.
References
- Synthesis of the Reported Structure of Pogostol and a Total Synthesis of (±)-Kessane without the Use of Protecting Groups
考研文獻
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