3-(3,5-Dichlorphenyl)-2,4-dioxo-N-isopropylimidazolidin-1-carboxamid Produkt Beschreibung

Iprodione Struktur
  • CAS-Nr.36734-19-7
  • Bezeichnung:3-(3,5-Dichlorphenyl)-2,4-dioxo-N-isopropylimidazolidin-1-carboxamid
  • Englisch Name:Iprodione
  • Synonyma:3-(3,5-Dichlorphenyl)-2,4-dioxo-N-isopropylimidazolidin-1-carboxamid
    KIDAN;ROVER;anfor;fa2071;mrc910;nrc910;rovrol;ROVRAL;330.16;NRC 910
  • CBNumber:CB7131064
  • Summenformel:C13H13Cl2N3O3
  • Molgewicht:330.17
  • MOL-Datei:36734-19-7.mol
3-(3,5-Dichlorphenyl)-2,4-dioxo-N-isopropylimidazolidin-1-carboxamid physikalisch-chemischer Eigenschaften

Iprodione Chemische Eigenschaften,Einsatz,Produktion Methoden

  • R-Sätze Betriebsanweisung: R40:Verdacht auf krebserzeugende Wirkung.
    R50/53:Sehr giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
    R36:Reizt die Augen.
    R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
  • S-Sätze Betriebsanweisung: S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
    S60:Dieses Produkt und sein Behälter sind als gefährlicher Abfall zu entsorgen.
    S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
    S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
    S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S16:Von Zündquellen fernhalten - Nicht rauchen.
  • Verwenden Iprodione is a non-systemic fungicide that exhibits both protectant and eradicant activities against the spores and mycelium of a number of parasitic fungi. It is effective against Alternaria, Botrytis, Corticium, Fusarium, Helminthosporium, Monilinia, Phoma, Pleiochaeta, Rhizoctonia and Sclerotinia, etc. in nut crops, fruit trees (stone and pome fruit), vines, berries, vegetables, cereals, oilseed rape, cotton and ornamentals. Iprodione also controls various summer and winter turf diseases.
  • Verwenden Fungicide.
  • Definition ChEBI: An imidazolidine-2,4-dione in which the nitrogen at position 1 is substituted by an N-(isopropyl)carboxamide group while that at position 3 is substituted by a 3,5-dichlorophenyl group. A contact fungicide, it blocks the growth of the fu gal mycelium and inhibits the germination of fungal spores. It is used on fruit and vegetable crops affected by various fungal diseases. It is also used as a nematicide.
  • Sicherheitsprofil Moderately toxic by ingestion. When heated to decomposition it emits very toxic fumes of NOx and Cl-.
  • Environmental Fate Soil. Readily degrades in soil (half-life 20 to 160 days) releasing carbon dioxide 3,5dichloroaniline (Walker, 1987) and (Hartley and Kidd, 1987; Worthing and Hance, 1991). The rate of degradation increases with repeated applications of this fungicide. In a clay loam, the half-life was 1 week. After the second and third applications, the half-lives were 5 and 2 days, respectively (Walker et al., 1986).
    Plant. Translocation and uptake by potato plants were reported (Cayley and Hide, 1980). Iprodione is rapidly metabolized in plants to 3,5-dichloroaniline (Cayley and Hide, 1980; Hartley and Kidd, 1987).
    Chemical/Physical. In an aqueous solution at pH 8.7, iprodione hydrolyzed to N-(3,5dichloroanilinocarbonyl)-N-(isopropylaminocarbonyl)glycine (Belafdal et al., 1986). At pH 8.7, complete hydrolysis occurred after 14 hours (Cayley and Hide, 1980).
    Gomez et al. (1982) studied the pyrolysis of iprodione in an helium atmosphere at 400–1,000°C. Decomposition began at 300°C producing isopropyl isocyanate and 3-(3,5dichlorophenyl)hydantoin. Above 600°C, the hydantoin ring began to decompose forming the following products: 3-chloroaniline, 3,5-dichloroaniline, chlorinated benzenes and benzonitrile. From 800 to 1,000°C, the hydantoin ring was completed destroyed whichled to the formation of aryl isocyanates, anilines and the corresponding diarylureas, namely 3-(3,5-dichlorophenyl)urea and 1-(3-chlorophenyl)-3-(3,5-dichlorophenyl)urea (Gomez et al., 1982).
  • Stoffwechselwegen The opening and rearrangement of the dioxoimidazolidine ring is the initial and major degradation/metabolic reaction for iprodione. Iprodione degrades in soil via cleavage of the dioxoimidazolidine-carboxamide linkage, followed by ring opening to yield 3,5-dichloroaniline and CO2. In plants and animals, primary degradation reactions include N-dealkylation of the isopropyl moiety, ring opening and aryl hydroxylation (Scheme 1).
  • Degradation Iprodione (1) is stable in acidic solution (< pH 5) and degraded rapidly in alkaline solution with DT50 values of 37 days, 1.1 days and 21 min at pH 5, 7 and 9 at 25 °C, respectively (Melkebeke et al., 1986). Opening of the oxazolidinedione ring yielded N-(3,5-dichloroanilinocarbonyl)-N- (isopropylaminocarbonyl)glycine (2) (Belafdal et al., 1986). This reaction involves the attack of a hydroxyl ion on the carbonyl moiety in the 4-position of the hydantoin ring. Laurent (1974a, 1976a) and Das (1990) reported the further dehydration/rearrangement of compound 2 to yield an iprodione isomer (3).
    Iprodione degraded readily in water under UV light irradiation (Laurent, 197413) but was relatively stable when exposed to simulated sunlight (Adrian and Robles, 1991). The degradation of iprodione in aqueous solution proceeded via various mechanisms including isomerisation, dechlorination, hydrolysis and hydroxylation.
    Schwack et al. (1995) and Schwack and Bourgeois (1989) reported that dechlorination was the primary photodegradation reaction when iprodione in various organic solvents (e.g. isopropanol) was irradiated with UV light (>280 nm). Other photodegradation reactions included the replacement of the chlorine atom by the solvent molecule.
Iprodione Upstream-Materialien And Downstream Produkte
Downstream Produkte
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