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Trimethyloxonium tetrafluoroborate 三甲基氧鎓四氟硼酸

規格: 97% (contains stabilizer)
CAS: 420-37-1
產品編號: H76746
MDL: MFCD00011798
品牌: INFI
Chemical NameTRIMETHYLOXONIUM TETRAFLUOROBORATE
CAS Number420-37-1
Synonym 三甲基氧鎓四氟硼酸鹽 三甲基钖四氟硼酸 Trimethyloxonium tetrafluoroborate, 97+% 三甲基四氟硼酸鋨 Trimethyloxonium tetrafluoroborate 98+% Oxonium, trimethyl-, tetrafluoroborate(1-) NSC 528455 trimethyloxonium tetrafluoroborate(1-) Trimethyloxoniumtetrafluoroborate,min.95% 三甲基钖 四氟硼酸, 97+% trimethyl-oxoniutetrafluoroborate(1-) 三甲基氧鎓四氟硼酸 TRIMETHYLOXONIUM TETRAFLUOROBORATE Trimethyloxoniumtetrafluoroborate,C24%min Trimethyloxonium Fluoroborate 三甲基四氟硼酸 trimethyl-oxoniu tetrafluoroborate Trimethyloxonium tetrafluoroborate, min. 95% Trimethyloxonium Tetrafluoroborate(1-) Trimethyloxonium tetrafluoroborate 98%
MDL NumberMFCD00011798
EC Number206-994-4
Beilstein Registry Number3597303
PubChem Substance ID87577267
Reaxys-RN3597303
Chemical Name Translation三甲基氧鎓四氟硼酸
InChIKeyKAAQTDVQNWMZJT-UHFFFAOYSA-J
LabNetwork Molecule IDLN00235677
GHS Symbol
Signal word Danger
WGK Germany3
Safety Statements
  • S20 When using do not eat or drink 使用時，不得進食，飲水；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接觸后，立即用大量水沖洗并征求醫生意見；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴適當的防護服、手套和眼睛/面保護；
  • S43 In case of fire use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add -?Never use water) 著火時使用（指明具體的消防器材種類，如果用水增加危險，注明“禁止用水”
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 發生事故時或感覺不適時，立即求醫（可能時出示標簽）；
  • S60 This material and its container must be disposed of as hazardous waste 該物質及其容器必須作為危險廢物處置；
    Risk Statements
    • R14 Reacts violently with water 遇水會猛烈反應
    • R34 Causes burns 會導致灼傷
    • R36/37/38 Irritating to eyes, respiratory system and skin 對眼睛、呼吸系統和皮膚有刺激性
      Precautionary statements
      • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉塵/煙/氣體/煙霧/蒸汽/噴霧。
      • P264 Wash hands thoroughly after handling. 處理后要徹底洗凈雙手。
      • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防護手套/防護服/眼睛的保護物/面部保護物。
      • P301+P330+P331
      • P303+P361+P353+P310+P363
      • P304+P340
      • P304+P340+P310
      • P305+P351+P338
      • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或醫生/醫師。
      • P405 Store locked up. 上鎖保管。
      • P501 Dispose of contents/container to..… 處理內容物/容器.....
        Hazard statements
        • H302 Harmful if swallowed 吞食有害
        • H314 Causes severe skin burns and eye damage 導致嚴重的皮膚灼傷和眼睛損傷
          Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
          Packing GroupII
          UN Number 3261
          Storage condition Moisture Sensitive 儲存溫度 2-8°C 儲存溫度?20°C <;0 <0°C 2-8°C 儲存溫度 -20°C; 充氬保存
          Hazard Codes 8 C
          Hazard Class8
        • 米爾文鹽(Meerwein salt),是一種強的親電子甲基化試劑,用于氫氧基基團的甲基化。可用于復雜多步驟地合成海洋天然產品spirastrellolide。
        • {ALD} Beilstein:1(4)1248
        • {ALF} Trialkyloxonium salts, also known as Meerwein's salts, are powerful alkylating agents under mild conditions. For general reactions of trialkyloxonium salts, see Triethyl&#x00AD;oxonium tetrafluoroborate, A14420. For a brief feature of their uses in synthesis, see: Synlett, 195 (2004).
        • {ALF} N,N-Dialkyl arylcarboxamides, useful as substrates for directed metallation reactions, can be converted to methyl esters in high yield: Tetrahedron, 56, 9875 (2000).
        • {TRC} Curphey, T.J. et al.: Org. Synth. 6, 1019 (1968);
        • {ALF} Alkylation of ethylene thioacetals proceeds only to the monoalkyl salt unless water is added, when the thioacetal is cleaved to give the carbonyl compound and the tetraalkyl ethane bis-sulfonium salt: Synthesis, 135 (1981). Alkylation on S to promote leaving group ability has also been used in a synthesis of oxiranes from &#223;-hydroxy sulfides: J. Am. Chem. Soc., 95, 3429 (1973); J. Chem. Soc., Chem. Commun., 714 (1975).
          • 420-37-1 H76746 Trimethyloxonium tetrafluoroborate 三甲基氧鎓四氟硼酸

          化學屬性

          Mol. Formula(CH3)3O(BF4)
          Mol. Weight148
          Density1.422
          Melting Point200°C
          TSCAYes
          Stability對熱和濕度敏感
          pH:A

          *以上化合物(wu)性質及應用等信(xin)息僅(jin)供參考(kao)