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Trimethyloxonium tetrafluoroborate 三甲基氧鎓四氟硼酸

规格: 97% (contains stabilizer)
CAS: 420-37-1
产品编号: H76746
MDL: MFCD00011798
品牌: INFI
Chemical NameTRIMETHYLOXONIUM TETRAFLUOROBORATE
CAS Number420-37-1
Synonym NSC 528455 Oxonium, trimethyl-, tetrafluoroborate(1-) TRIMETHYLOXONIUM TETRAFLUOROBORATE Trimethyloxonium Fluoroborate Trimethyloxonium Tetrafluoroborate {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {
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 使用时，不得进食，饮水；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
  • 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) 着火时使用（指明具体的消防器材种类，如果用水增加危险，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) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置；
    Risk Statements
    • R14 Reacts violently with water 遇水会猛烈反应
    • R34 Causes burns 会导致灼伤
    • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
      Precautionary statements
      • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
      • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
      • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
      • 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医生/医师。
      • P405 Store locked up. 上锁保管。
      • P501 Dispose of contents/container to..… 处理内容物/容器.....
        Hazard statements
        • H302 Harmful if swallowed 吞食有害
        • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
          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 储存温度 2-8°C 储存温度?20°C <;0 <0°C 2-8°C 储存温度 -20°C; 充氩保存
          Hazard Codes 8 C
          Hazard Class8
        • 米尔文盐(Meerwein salt),是一种强的亲电子甲基化试剂,用于氢氧基基团的甲基化。可用于复杂多步骤地合成海洋天然产品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 Triethyl­oxonium 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 ß-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

          化学属性

          Mol. Formula(CH3)3O(BF4)
          Mol. Weight148
          Density1.422
          Melting Point200°C
          TSCAYes
          Stability对热和湿度敏感
          pH:A

          *以上化合物性质及应用等信息仅供参考

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