2-UNDECYNOIC ACID METHYL ESTER

2-UNDECYNOIC ACID METHYL ESTER Chemische Eigenschaften,Einsatz,Produktion Methoden

• S-Sätze Betriebsanweisung:

  S23:Gas/Rauch/Dampf/Aerosol nicht einatmen(geeignete Bezeichnung(en) vom Hersteller anzugeben).
  S24/25:Berührung mit den Augen und der Haut vermeiden.

• Beschreibung

  Methyl 2-undecynoate has a powerful, waxy, green, floral odor with a sweet flavor reminiscent of violet. May be prepared by methylation of the corresponding acid at the boil in the presence of HCL or at room temperature in the presence of H2S04; the acid can be prepared from methyl nonyl ketone by reaction with phosphorous pentachloride, which yields the acetylenic compound; treatment of this with potassium carbonate yields undecyne, which is then converted to the acid by treatment with Na and methyl chlorocarbonate.

• Chemische Eigenschaften

  Methyl 2-undecynoate has a powerful, waxy, green, floral odor. It has a sweet flavor reminiscent of violet

• synthetische

  By methylation of the corresponding acid at the boil in the presence of HCl or at room temperature in the presence of H2SO4; the acid can be prepared from methyl nonyl ketone by reaction with phosphorus pentachloride, which yields the acetylenic compound; treatment of this with potassium carbonate yields undecyne, which is then converted to the acid by treatment with sodium and methyl chlorocarboante.

• Definition

  ChEBI: Methyl 2-undecynoate is a fatty acid ester.

• Taste threshold values

  Taste characteristics at 20 ppm: green, fruity, oily, fatty, chicken- and tallow-like.

2-UNDECYNOIC ACID METHYL ESTER Anbieter Lieferant Produzent Hersteller Vertrieb Händler.

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