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  2. Contact explosive - Wikipedia

    en.wikipedia.org/wiki/Contact_explosive

    A contact explosive is a chemical substance that explodes violently when it is exposed to a relatively small amount of energy (e.g. friction, pressure, sound, light). Though different contact explosives have varying amounts of energy sensitivity, they are all much more sensitive relative to other kinds of explosives.

  3. Bruylants reaction - Wikipedia

    en.wikipedia.org/wiki/Bruylants_reaction

    The reaction mechanism appears to involve ejection of the nitrile to form an iminium that is then attacked by the Grignard rather than a direct displacement such as an S N 2 reaction. This accounts for the importance of the alpha amino group and the absence of stereoselectivity on chiral reaction sites.

  4. Deflagration to detonation transition - Wikipedia

    en.wikipedia.org/wiki/Deflagration_to_detonation...

    In technical terms, the reaction zone (chemical combustion) is a self-driven shock wave where the reaction zone and the shock are coincident, and the chemical reaction is initiated by the compressive heating caused by the shock wave. The process is similar to ignition in a Diesel engine, but much more sudden and violent.

  5. Exothermic process - Wikipedia

    en.wikipedia.org/wiki/Exothermic_process

    This light is equivalent in energy to some of the stabilization energy of the energy for the chemical reaction, i.e. the bond energy. This light that is released can be absorbed by other molecules in solution to give rise to molecular translations and rotations, which gives rise to the classical understanding of heat.

  6. Skraup reaction - Wikipedia

    en.wikipedia.org/wiki/Skraup_reaction

    The Skraup reaction. In this example, nitrobenzene serves as both the solvent and the oxidizing agent. The reaction, which otherwise has a reputation for being violent, is typically conducted in the presence of ferrous sulfate. [5] Arsenic acid may be used instead of nitrobenzene and the former is better since the reaction is less violent. [6]

  7. Water-reactive substances - Wikipedia

    en.wikipedia.org/wiki/Water-reactive_substances

    Water-reactive substances [1] are those that spontaneously undergo a chemical reaction with water, often noted as generating flammable gas. [2] Some are highly reducing in nature. [3] Notable examples include alkali metals, lithium through caesium, and alkaline earth metals, magnesium through barium.

  8. 2015 Tianjin explosions - Wikipedia

    en.wikipedia.org/wiki/2015_Tianjin_explosions

    The first responders were unable to keep the fire from spreading. Firefighters who first arrived on the scene proceeded to douse the fire with water as they were unaware that dangerous chemicals were stored on the site, thereby setting in motion a series of more violent chemical reactions. [9] [11]

  9. Bretherick's Handbook of Reactive Chemical Hazards

    en.wikipedia.org/wiki/Bretherick's_Handbook_of...

    In 1964, research chemist Leslie Bretherick read of a violent explosion in a laboratory, and knew that the same journal had reported a similar incident with the same chemicals 16 years earlier. [1] Realising that there was no central source of literature on dangerous chemical reactions, he set out to create one, combing through the literature ...

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