Pinxter Azalea – Rhododendron periclymenoides

by | Dec 19, 2023 | Azalea

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Mercury(II) nitrate is an inorganic compound with the chemical formula Hg(NO3)2. It is the mercury(II) salt of nitric acid HNO3. It contains mercury(II) cations Hg2+ and nitrate anions NO−3, and water of crystallization H2O in the case of a hydrous salt. Mercury(II) nitrate forms hydrates Hg(NO3)2·xH2O. Anhydrous and hydrous salts are colorless or white soluble crystalline solids that are occasionally used as a reagents. Mercury(II) nitrate is made by treating mercury with hot concentrated nitric acid. Neither anhydrous nor monohydrate has been confirmed by X-ray crystallography.[1] The anhydrous material is more widely used.[clarification needed]

Uses

Mercury(II) nitrate is used as an oxidizing agent in organic synthesis, as a nitrification agent, as an analytical reagent in laboratories, in the manufacture of felt, and in the manufacture of mercury fulminate.[2]

Health information

Mercury compounds are highly toxic. The use of this compound by hatters and the subsequent mercury poisoning of said hatters is a common theory of where the phrase "mad as a hatter" came from.

See also

References

  1. ^ Nolte, M.; Pantenburg, I.; Meyer, G. (9 December 2005). "The Monohydrate of Basic Mercuric Nitrate, [Hg(OH)](NO3)(H2O)". Zeitschrift für anorganische und allgemeine Chemie (in German). 632 (1). Wiley Publishing: 111–113. doi:10.1002/zaac.200500344. ISSN 0044-2313. Archived from the original on 27 November 2021. Retrieved 16 May 2022.
  2. ^ "Mercury nitrate monohydrate". Chemical Book. 2023. Retrieved June 30, 2024.

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