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Pyrolyse von Maleinsäurehydrazid und Hydrazin

Pyrolysis of maleic hydrazide and hydrazine

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Summary

Maleic-hydrazine (MH) and hydrazine (H) were pyrolyzed in quartz tubes. At 900° C H is completely decomposed, ammonia being the main product. At lower temperatures, H partly remained undecomposed. Among the pyrolysis products (900° C) of MH no quantities of H could be found. As pyrolysis products, aromatic hydrocarbons, aliphatic and aromatic nitriles and heterocycles were detected. At pyrolysis temperatures of 650° C, 0,06% H were found (related to MH 30). By investigation of cigarette smoke impregnated by H, it could be demonstrated that H quickly reacts to products like acetaldazine and acetonitrile.

Zusammenfasung

Maleinsäurehydrazid (TIM) bzw. Hydrazin (H) warden im Quarzrohr pyrolysiert. Bei 900° C wird H völlig zersetzt, Hauptprodukt ist das Ammoniak. Bei niedrigeren Temperaturen blieb H z. T. unzersetzt. Unter den Pyrolyseprodukten (900° C) des MH konnte kein H nachgewiesen werden. Als Pyrolyseprodukte wurden aromatische Kohlenwasserstoffe, aliphatische und aromatische Nitrile und N-Heterocyclen nachgewiesen. Bei einer Pyrolysetemperatur von 650° C wurden 0,06% H (bezogen auf MH 30) gefunden. Durch Untersuchung des Rauches von Zigaretten, die mit H imprägniert waren, konnte gezeigt werden, daß H schnell zu Produkten wie Acetaldazin und Acetonitril reagiert.

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Authors and Affiliations

  1. Forschungsinstitut der Cigasettenindustrie, Gazellenkamp 38, D-2000, Hamburg 54, Bundesrepublik Deutschland

    Hans-Peter Harke, Dieter Schüller & Claus-Joachim Drews

Authors
  1. Hans-Peter Harke
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  2. Dieter Schüller
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  3. Claus-Joachim Drews
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Harke, HP., Schüller, D. & Drews, CJ. Pyrolyse von Maleinsäurehydrazid und Hydrazin. Z Lebensm Unters Forch 153, 163–169 (1973). https://doi.org/10.1007/BF01080116

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  • DOI: https://doi.org/10.1007/BF01080116

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