explodes at 100 °C
|mercurous nitratophosphite||molecular mass
Mercurous nitratophosphite was first prepared by S. Hada in 1895 by the lab presented here. This explosive will decompose in water, or when wet, with the release of mercury vapor, so I suggest keeping it tightly stoppered and away from moisture, or even better in a desiccator to get the moisture. Mercurous nitratophosphite will explode when heated to 100 °C, or when it comes in contact with a hot wire. I do not know if shock and friction affect it. Further information about this compound is unavailable.
Prepare a solution of mercurous nitrate by dissolving mercuric oxide to saturation in nitric acid, and then shake violently with metallic mercury for a few minutes. Mercurous nitratophosphite can be prepared by adding a fairly concentrated solution of potassium hypophosphite to a solution of mercurous nitrate in a small beaker, avoiding an excess of the hypophosphite. As the mercurous nitratophosphite precipitate decomposes when left in contact with the mother liquor, it must be filtered and dried immediately by vacuum filtration on a Buchner funnel without washing to drive away any moisture. It can be dried and stored in a vacuum desiccator.
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