Difference between revisions of "Potassium iodate"

Potassium iodate
IUPAC name	potassium hydrogen bis(iodate)
Identifiers
InChI	InChI=1/2HIO3.K/c22-1(3)4;/h2(H,2,3,4);/q;;+1/p-1
InChIKey	ACAYDTMSDROWHW-REWHXWOFAC
Standard InChI	InChI=1S/2HIO3.K/c22-1(3)4;/h2(H,2,3,4);/q;;+1/p-1
Standard InChIKey	ACAYDTMSDROWHW-UHFFFAOYSA-M
CAS number	[13455-24-8]
EC number	236-650-9
ChemSpider	2341255
Properties
Chemical formula	KIO3·HIO3
Molar mass	389.91 g mol−1
Appearance	white crystals
Solubility in water	1.33 g/100 ml (15 °C)
	Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Potassium iodate
IUPAC name	potassium iodate
Identifiers
InChI	InChI=1/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
InChIKey	JLKDVMWYMMLWTI-REWHXWOFAL
Standard InChI	InChI=1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1
Standard InChIKey	JLKDVMWYMMLWTI-UHFFFAOYSA-M
CAS number	[7758-05-6]
ChemSpider	22856
Properties
Chemical formula	KIO3
Molar mass	214.00 g mol−1
Appearance	white crystals
Density	3.93 g cm−3
Solubility in water	4.74 g/100 ml (0 °C)
Structure
Space group	P1 (No. 1)
Lattice constant	a = 769.82(4) pm, b = 765.97(2) pm, c = 769.12(5) pm, α = 108.999(5)°, β = 109.745(2)°, γ = 109.085(5)°
Hazards
EU index number	not listed
GHS pictograms
GHS signal word	DANGER
GHS hazard statements	H272, H302
GHS precautionary statements	P210, P220, P221, P264, P270, P280, P301+312, P330, P370+378, P501
Flash point	Non-flammable
Related compounds
Other anions	Potassium iodide; Potassium periodate
Other cations	Lithium iodate; Sodium iodate; Rubidium iodate; Caesium iodate
Other compounds	Potassium biiodate
	Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Revision as of 15:31, 9 September 2010

Potassium iodate, KIO₃, is a common iodine compound. It is used for the prophylaxis of iodine deficiency,^[4]^[5] in radiological protection and in analytical chemistry. It has also been used as a flour treatment agent, although this is no longer recommended.

↑ ^1.0 ^1.1 CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; pp B-133, B-134. ISBN 0-8493-0462-8.
↑ Lucas, B. W. Structure (neutron) of potassium iodate at 100 and 10 K. Acta Crystallogr. 1985, C41, 1388–91. DOI: 10.1107/S0108270185007880.
↑ HSNO Chemical Classification Information Database, <http://www.ermanz.govt.nz/Chemicals/ChemicalDisplay.aspx?SubstanceID=1913> (accessed 9 September 2010), New Zealand Environmental Risk Management Authority.
↑ Clements, F. W.; Gibson, H. B.; Howeler-Coy, J. F. Goitre Prophylaxis by Addition of Potassium Iodate to Bread. Lancet 1970, 295, 489–92. DOI: 10.1016/S0140-6736(70)91578-3.
↑ Jooste, Pieter L. Assessment of the iodine concentration in table salt at the production stage in South Africa. Bull. W. H. O. 2003, 81 (7), 517–21, <http://whqlibdoc.who.int/bulletin/2003/Vol81-No7/bulletin_2003_81%287%29_517-521.pdf>.

See also the corresponding article on Wikipedia.

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 |   OtherAnions = [[Potassium iodide]]<br/>[[Potassium periodate]]
 |   OtherCations = [[Lithium iodate]]<br/>[[Sodium iodate]]<br/>[[Rubidium iodate]]<br/>[[Caesium iodate]]
+|   OtherCpds = [[Potassium biiodate]]
    }}
 }}