Strontium iodide
| Strontium iodide | |
|---|---|
| IUPAC name | Strontium iodide |
| Identifiers | |
| CAS number | |
| RTECS number | WK9275000 |
| Properties | |
| Molecular formula | SrI2 (anhydrous) SrI2·6H2O (hexahydrate) |
| Molar mass | 341.43 g/mol (anhydrous) |
| Appearance | Colorless to white crystalline plates |
| Density | 5.459 g/cm³ (anhydrous) 4.415g/cm³ (hexahydrate) |
| Melting point |
507-645°C [1] (decomposes) |
| Solubility in water | 64.0 g/100 ml (20°C)[2] |
| Solubility in ethanol | 3.1 g/100 ml (4°C) [2] |
| Structure | |
| Crystal structure | Hexagonal |
| Hazards | |
| Main hazards | Corrosive |
| NFPA 704 |
|
| R-phrases | R14 R34 |
| S-phrases | S22 S26 S27 S36/37/39S45 [3] |
| Related Compounds | |
| Other anions | strontium fluoride strontium chloride strontium bromide |
| Other cations | calcium iodide barium iodide |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references | |
Strontium iodide (SrI2) is a salt of strontium and iodine. It is an ionic, water-soluble, and deliquescent compound that can be used in medicine as a substitute for potassium iodide [4].
Reactions
Strontium iodide can be prepared by reacting strontium carbonate with hydroiodic acid:
Strontium iodide yellows when exposed to air. At high temperatures (when in the presence of air) strontium iodide completely decomposes to form strontium oxide and free iodine[5].
Template:Inorganic-compound-stub
References
- ↑ Turner, Jr., Francis M., ed. (1920), The Condensed Chemical Dictionary, New York: The Chemical Catalog Company, pp. 449, <http://books.google.com/books?id=y8y0XE0nsYEC&pg=PA449&dq=%22Strontium+iodide%22+subject:%22Chemistry%22&as_brr=3>. Retrieved on 2007-12-10
- ↑ 2.0 2.1 Seidell, Atherton (1907), Solubilities of Inorganic and Organic Substances, New York: D. Van Nostrand, pp. 318, <http://books.google.com/books?id=7Y8AAAAAMAAJ&pg=PA318&dq=%22Strontium+iodide%22+subject:%22Chemistry%22&as_brr=3#PPA318,M1>. Retrieved on 2007-12-10
- ↑ 400696 Strontium iodide anhydrous, beads, −10 mesh, 99.99+ %
- ↑ Shoemaker, John V. (1908), A Practical Treatise on Materia Medica and Therapeutics (Seventh ed.), Philadelphia: F. A. Davis, pp. 854, <http://books.google.com/books?id=E-1xq8ScRD8C&pg=RA1-PA854&dq=%22Strontium+iodide%22&as_brr=3>. Retrieved on 2007-12-10
- ↑ Bartley, Elias H. (1898), Text-book of Medical and Pharmaceutical Chemistry (Fifth ed.), Philadelphia: P. Blakiston, pp. 267-268, <http://books.google.com/books?id=qdwUkA_aHWsC&pg=PA267&dq=%22Strontium+iodide%22+subject:%22Chemistry%22&as_brr=3#PPA267,M1>. Retrieved on 2007-12-10
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