N-(Dichloromethylene)-N-Methylmethanaminium Chloride 二氯亚甲基二甲基氯化铵

CAS 33842-02-3 MFCD00011870

化学结构图

33842-02-3
SMILES: [Cl-].C[N+](C)=C(Cl)Cl

化学属性

Mol. FormulaC3H6Cl3N
Mol. Weight162.44
Melting Point183-187 °C (dec.)(lit.)
TSCANo

别名和识别编码

Chemical NameN-(Dichloromethylene)-N-Methylmethanaminium Chloride
Synonym (二氯亚甲基)二甲基氯化铵 Phosgeniminium chloride Vilsmeier 试剂 (dichloromethylene)dimethylammonium chloride Methanaminium, N-(dichloromethylene)-N-methyl-, chloride Phosgen-immoniumchlorid "N,N-Dimethylphosgeniminium chloride 二氯亚甲基二甲基氯化铵 Dichlormethylen-dimethylimmoniumchlorid ""Phosgeniminium chloride"" Viehe's salt Dichloromethylene dimethylammonium chloride (二氯亚甲基)二甲基氯化铵 Phosgeniminium chloride Phosgeneiminium chloride Phosgene iminium chloride N,N-dimethyl phosgeniminium chloride N,N-dimethyldichloromethyleneiminium chloride N-dichloromethylene-N,N-dimethylammonium chloride Methanaminium, N-(dichloromethylene) N methyl-, chloride N,N-dimethyl-dichloromethylene-iminium chloride N,N-Dimethylphosgeniminium chloride Dichlormethylendimethylimmoniumchlorid Phosgenimmoniumchlorid Viehe's Salt" Dichloromethylene dimethyliminium chloride Vilsmeier 试剂
CAS Number33842-02-3
PubChem Substance ID87568080
EC Number251-695-4
Beilstein Registry Number4157987
MDL NumberMFCD00011870
Reaxys-RN4157987
Merck Number9977
Chemical Name Translation二氯亚甲基二甲基氯化铵
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分类

  • Building Blocks, Chemical Synthesis, Imines/Amidines, Nitrogen Compounds, Organic Building Blocks
  • {uni_hamburg} no charge; 2fragments; ionic
  • {SNA} Building Blocks, Chemical Synthesis, Imines/Amidines, Nitrogen Compounds, Organic Building Blocks

相关文献及参考

  • Reaction with a phenol yields, after hydrolysis, the diaryl carbonate: Angew. Chem. Int. Ed., 10, 573 (1971). For reactions with active methylene compounds, see: Angew. Chem. Int. Ed., 10, 574, 575 (1971). 2-Hydroxy acetophenones lead to 2-dimethylamino chromones: J. Org. Chem., 57, 6502 (1992); 61, 3218 (1996):
  • See also (Chloromethyl­ene)­dimethyl­ammonium chloride, B24172.
  • Short: III/20a
  • Dehydrates aldoximes and aldehyde phenylhydrazones to nitriles: Synthesis, 563 (1974), 201 (1985), respectively. N, N-dialkylureas are dehydrated to carbodiimides: Tetrahedron Lett., 37, 7047 (1996).
  • Converts THP protected alcohols directly to alkyl chlorides in good yield: Tetrahedron Lett., 38, 3517 (1997).
  • For review of reactions, including use as Mannich or Vilsmeier intermediates, see: Angew. Chem. Int. Ed., 12, 806 (1973).
  • Effects cyanation of electron-rich aromatics and heterocycles: Tetrahedron Lett., 27, 1939 (1986).

安全信息

GHS Symbol
WGK Germany3
Hazard statements
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
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
Hazard Codes C
Precautionary statements
  • P234 Keep only in original container. 只保留在原来的容器中。
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/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+P310
  • P303+P361+P353
  • P303+P361+P353+P310+P363
  • P304+P340
  • P304+P340+P310
  • P305+P351+P338+P310
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P390 Absorb spillage to prevent material damage. 吸收溢出物，防止重大损害。
  • P405 Store locked up. 上锁保管。
  • P406 Store in corrosive resistant/… container with a resistant inner liner. 存放在耐腐蚀/具有耐性的内衬容器。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
Signal word Danger {} {} {} {} {} {} {TCI}
UN Number 3261 UN3261
Safety Statements
  • 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；
  • 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）；
Risk Statements
  • R14 Reacts violently with water 遇水会猛烈反应
  • R34 Causes burns 会导致灼伤
  • R37 Irritating to respiratory system 刺激呼吸道
Storage condition Moisture Sensitive
Packing GroupIII
Hazard Class8

系列性分类

  1. Chemical Synthesis 化学合成
  2. Synthetic Reagents 合成试剂
  3. C-C Bond Formation - Synthetic Reagents
  4. Others - C-C Bond Formation
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Nitrogen Compounds 氮化合物
  5. Imines/Amidines - Nitrogen Compounds
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Nitrogen Compounds 氮化合物
  5. Amine Salts - Nitrogen Compounds
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Nitrogen Compounds 氮化合物
  5. Hydroxylamines
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Chemicals by Class 化学分类法
  4. Quaternary Ammonium Compounds 季铵化合物

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