Silver iodate

Silver iodate

Identifiers
CAS Number	7783-97-3
3D model (Jmol)	Interactive image
ChemSpider	145168
ECHA InfoCard	100.029.126
EC Number	232-039-6
PubChem	165642
InChI InChI=1S/Ag.HIO3/c;2-1(3)4/h;(H,2,3,4)/q+1;/p-1 Key: YSVXTGDPTJIEIX-UHFFFAOYSA-M InChI=1/Ag.HIO3/c;2-1(3)4/h;(H,2,3,4)/q+1;/p-1 Key: YSVXTGDPTJIEIX-REWHXWOFAH
SMILES [Ag+].[O-]I(=O)=O
Properties
Chemical formula	AgIO3
Molar mass	282.77 g/mol
Appearance	white crystals
Odor	odorless
Density	5.525 g/cm³
Melting point	~200 °C
Boiling point	~1150 °C
Solubility in water	0.003 g/100 mL (10 °C) 0.019 g/100 mL (50 °C)
Solubility	soluble in ammonia
Structure
Crystal structure	orthorhombic
Hazards
NFPA 704	1 2 0
Flash point	Non-combustable
Related compounds
Other anions	silver iodide silver chlorate
Other cations	sodium iodate potassium iodate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Silver iodate (AgIO₃) is a light-sensitive, white crystal composed of silver, iodine and oxygen. Unlike most metal iodates, it is practically insoluble in water.

Production

Silver iodate can be obtained by reacting silver nitrate (AgNO₃) with sodium iodate or potassium iodate. The by-product of the reaction is sodium nitrate.^[1]

Alternatively, it can be created by the action of iodine in a solution of silver oxide.

Uses

Silver iodate is used to detect traces of chlorides in blood.

References

1. Qiu, Chao; Sheng Han; Xingguo Cheng; Tianhui Ren (2005). "Distribution of Thioethers in Hydrotreated Transformer Base Oil by Oxidation and ICP-AES Analysis". Industrial & Engineering Chemistry Research. 44 (11): 4151–4155. doi:10.1021/ie048833b. Retrieved 2007-05-03. Silver nitrate reacts with iodate to form the precipitate of silver iodate, and the precipitate is transferred to silver nitrate.