Zugelassene Drittanbieter verwenden diese Tools auch in Verbindung mit der Anzeige von Werbung durch uns. additional knowledge and experience are gained. B2H6 is isoelectronic with C2H62+, which would arise from the diprotonation of the planar molecule ethylene. Also, it reacts violently with vaporizing liquid-type extinguishing agents. The industrial synthesis of diborane involves the reduction of BF3 by sodium hydride, lithium hydride or lithium aluminium hydride:[10]. Thrust-chamber technology for oxygen difluoride/diborane propellants. from the permeation behavior of the individual chemicals. Rapidly or completely vaporizes at atmospheric pressure and normal ambient temperature. DuPont believes to be reliable. – abhängig vom Lieferort. This section provides a listing of alternate names for this chemical, It hydrolyzes in water to hydrogen and boric acid. Es wird kein Kindle Gerät benötigt. Reproduced material should be attributed as follows: If the material has been adapted instead of reproduced from the original RSC publication Experimental flame speeds, and values tT normalizedTT to 50 mm, are listed in Table 11. stated. The action of a metal hydride with boron produced diborane. People exposed for a long time to low amounts of diborane have experienced respiratory irritation, seizures, fatigue, drowsiness, confusion, and occasional transient tremors. The B2H2 ring is held together by four electrons which form two 3-center 2-electron bonds. of the whole article in a thesis or dissertation. Borane is a flammable gas and difficulties 11 in handling led to development of several stable Lewis base complexes that are easier to use. Diborane is a key boron compound with a variety of applications. Enthält dieses Buch Qualitäts- oder Formatierungsprobleme? to reproduce figures, diagrams etc. The structure was re-confirmed by electron diffraction measurement in 1951 by K. Hedberg and V. Schomaker, with the confirmation of the structure shown in the schemes on this page. Most of the diborane are known to be flammable in air. Diborane is a highly reactive and versatile reagent. Bitte versuchen Sie es erneut. ROBERT A. RHEIN ; AIAA Journal Vol. Geben Sie einen Promotionscode oder einen Geschenkgutschein ein. Wählen Sie die Kategorie aus, in der Sie suchen möchten. deutscher MwSt. relative humidity per military standard MIL-STD-282. Diborane is a … CAUTION: This information is based upon technical data that The permeation characteristics of mixtures can deviate considerably Hazardous polymerization may occur. Please contact DuPont for specific data. It is also used to coat the walls of tokamaks to reduce the amount of heavy metal impurities in the core plasma. "Reproduced from" can be substituted with "Adapted from". Except where otherwise noted, data are given for materials in their, CS1 maint: multiple names: authors list (, National Institute for Occupational Safety and Health, "CDC - DIBORANE - International Chemical Safety Cards - NIOSH", 10.1002/1521-3773(20000616)39:12<2071::AID-ANIE2071>3.0.CO;2-C, "The structures of electron-deficient molecules", "The Boranes and their relatives (Nobel lecture)", National Pollutant Inventory – Boron and compounds, https://en.wikipedia.org/w/index.php?title=Diborane&oldid=986754474, Creative Commons Attribution-ShareAlike License, This page was last edited on 2 November 2020, at 20:32. Go to our Most preparations entail reactions of hydride donors with boron halides or alkoxides. In many cases, It reacts with ammonia to form the diammoniate of diborane, DADB, with lesser quantities of ammonia borane depending on the conditions used. [23] been tested at a concentration of greater than 95% unless otherwise


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