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Methyl trioctyl ammonium chloride

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Methyl trioctyl ammonium chloride Basic information
Methyl trioctyl ammonium chloride Chemical Properties
  • Melting point:-20°C
  • Boiling point:240°C
  • Density 0.884 g/mL at 25 °C(lit.)
  • refractive index n20/D 1.4665(lit.)
  • Flash point:>230 °F
  • form Viscous Liquid
  • color Colourless to pale orange
  • OdorAmmonical
  • Water Solubility Partially insoluble
  • Sensitive Hygroscopic
  • BRN 4039255
  • Stability:Stable. Incompatible wth strong oxidizing agents. Hygroscopic.
  • CAS DataBase Reference5137-55-3(CAS DataBase Reference)
  • EPA Substance Registry SystemMethyltrioctylammonium chloride (5137-55-3)
Safety Information
Methyl trioctyl ammonium chloride Usage And Synthesis
  • DescriptionMethyltrioctylammonium chloride is a water insoluble quaternary ammonium salt, which is widely used as a counter ion in solvent extraction of anionic metal complexes. It is widely used as a phase transfer catalyst for the catalytic oxidation of cyclohexene to 1,6-hexanedioic acid. In comparison to traditional method of oxidizing cyclohexanol or cyclohexanone with nitric acid or potassium permanganate, the usage of methyltrioctylammonium chloride is a more environmentally friendly reaction.
  • ReferenceN. Pourreza, H. Zavvar Mousavi, Determination of cadmium by flame atomic absorption spectrometry after preconcentration on naphthalene– methyltrioctylammonium chloride adsorbent as tetraiodocadmate (II) ions, Analytica Chimica Acta, 2004, vol. 503, pp. 279-282
  • Chemical Propertiesviscous colourless to pale orange liquid
  • DefinitionChEBI: An organic chloride salt having methyltrioctylammonium as the cation.
  • Safety ProfilePoison by ingestion and intraperitoneal routes. When heated to decomposition it emits very toxic fumes of NOx, NH3, and Cl-.
  • Purification MethodsA 30% (v/v) of Aliquat 336 solution in *benzene is washed twice with an equal volume of 1.5M HBr. [Petrow & Allen, Anal Chem 33 1303 1961.] It is purified by dissolving 50g in CHCl3 (100mL) and shaking with 20% NaOH solution (200mL) for 10minutes, and followed by 20% NaCl (200mL) for 10minutes. It is then washed with a small volume of H2O and filtered through a dry filter paper [Adam & Pribil Talanta 18 733 1971]. n-Alkylammonium chloride n=2,4,6. Recrystallise them from EtOH or an EtOH/Et2O mixture. [Hashimoto & Thomas J Am Chem Soc 107 4655 1985, Chu & Thomas J Am Chem Soc 108 6270 1986.] n-Alkyltrimethylammonium bromide n=10,12,16. Recrystallise them from an EtOH/Et2O mixture. [Hashimoto & Thomas J Am Chem Soc 107 4655 1985.]
Methyl trioctyl ammonium chloride Preparation Products And Raw materials
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