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| IUPAC name azanium;periodate | |
| Other names Ammonium tetraoxoiodate(VII) | |
| Identifiers | |
| CAS Number | |
| 3D model (JSmol) | |
| ChemSpider | |
| PubChem CID | |
| CompTox Dashboard (EPA) | |
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| Properties | |
| Chemical formula | H4INO4 |
| Molar mass | 208.939 g·mol |
| Appearance | colorless crystals |
| Density | 3.056 g/cm |
| Solubility in water | soluble |
| Hazards | |
| GHS labelling: | |
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| Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references | |
Ammonium periodate is a chemical compound with the chemical formula NH4IO4.
Synthesis
Ammonium periodate is formed by the reaction between periodic acid and ammonia solution:
- HIO4 + NH4OH → NH4IO4 + H2O
Physical properties
The compound forms colorless crystals of tetragonal system, spatial group I41/a, cell parameters a = 0.5938 nm, c = 1.2790 nm, Z = 4.
It is sparingly soluble in water and explodes when heated. The compound is used in analytical chemistry as an oxidizing agent.
References
- Rao, Chintamani Nagesa Ramachandra (1975). Bibliography of Infrared Spectroscopy Through 1960. U.S. Department of Commerce, National Bureau of Standards. p. 1929. Retrieved 21 January 2025.
- Levason, W.; Webster, M. (15 June 1999). "Ammonium tetraoxoiodate(VII)". Acta Crystallographica Section C Crystal Structure Communications. 55 (6): IUC9900052. Bibcode:1999AcCrC..55C0052L. doi:10.1107/S0108270199099394. Retrieved 21 January 2025.
- Rezende, Armando de; Pantoya, Michelle L.; Tunega, Daniel; Aquino, Adelia J. A. (8 February 2024). "Prediction of Phase Transition and Ignition Sensitivity of Ammonium Periodate". The Journal of Physical Chemistry C. 128 (5): 2205–2214. doi:10.1021/acs.jpcc.3c07439. ISSN 1932-7447. Retrieved 21 January 2025.
- EPA-600/2. Industrial Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency. 1980. p. 78. Retrieved 21 January 2025.
- Inomata, Katsuhiko; Nakayama, Yukiharu; Kotake, Hiroshi (1 February 1980). "Quaternary Ammonium Periodate as a New Oxidizing Agent". Bulletin of the Chemical Society of Japan. 53 (2): 565–566. doi:10.1246/bcsj.53.565. ISSN 0009-2673. Retrieved 21 January 2025.