Difference between revisions of "Potassium biiodate"
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| − | | Reference = <ref>{{GHS class NZ|id=1913|accessdate=2010-09-09}}.</ref><ref>{{GHS class NZ|id=12620|accessdate=2010-09-09}}.</ref><ref group="Note">Hazards were assessed as for an equimolar mixture of [[potassium iodate]] and [[iodic acid]].</ref> | + | | Reference = <ref>{{GHS class NZ|id=1913|accessdate=2010-09-09}}. (potassium iodate)</ref><ref>{{GHS class NZ|id=12620|accessdate=2010-09-09}}. (iodic acid)</ref><ref group="Note">Hazards were assessed as for an equimolar mixture of [[potassium iodate]] and [[iodic acid]].</ref> |
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| − | '''Potassium biiodate''', KH(IO<sub>3</sub>)<sub>2</sub>, is a [[primary standard]] [[strong acid]] in [[analytical chemistry]]. | + | '''Potassium biiodate''', KH(IO<sub>3</sub>)<sub>2</sub>, is a [[primary standard]] [[strong acid]] in [[analytical chemistry]].<ref>{{citation | title = The Use of Potassium Bi-iodate as a Standard Substance in Alkalimetric and Iodimetric Titrations | first1 = I. M. | last1 = Kolthoff | first2 = L. H. | last2 = van Berk | journal = J. Am. Chem. Soc. | year = 1926 | volume = 48 | issue = 11 | pages = 2799–2801 | doi = 10.1021/ja01690a006}}.</ref><ref>{{citation | title = Processing KODAK Motion Picture Films, Module 4 – Potassium Biiodate | url = http://motion.kodak.com/motion/uploadedFiles/US_plugins_acrobat_en_motion_support_processing_h244_potBiiod.pdf | publisher = Kodak | accessdate = 2010-09-09}}.</ref> |
==Notes and references== | ==Notes and references== | ||
Revision as of 18:12, 9 September 2010
| Potassium biiodate | |
|---|---|
| IUPAC name | potassium µ-hydridobis(trioxidoiodate)(1−) |
| Other names | potassium hydrogen iodate |
| Identifiers | |
| InChI | InChI=1/2HIO3.K/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+1/p-1 |
| InChIKey | ACAYDTMSDROWHW-REWHXWOFAC |
| Standard InChI | InChI=1S/2HIO3.K/c2*2-1(3)4;/h2*(H,2,3,4);/q;;+1/p-1 |
| Standard InChIKey | ACAYDTMSDROWHW-UHFFFAOYSA-M |
| CAS number | [] |
| EC number | |
| ChemSpider | |
| Properties[1] | |
| Chemical formula | KH(IO3)2 |
| Molar mass | 389.91 g mol−1 |
| Appearance | white crystals |
| Solubility in water | 1.33 g/100 ml (15 °C) |
| Hazards[2][3][Note 1] | |
| EU index number | not listed |
| GHS pictograms |   
|
| GHS signal word | DANGER |
| GHS hazard statements | H272, H302, H314, H318 |
| GHS precautionary statements | P210, P220, P221, P260, P264, P270, P280, P301+312, P301+330+331, P303+361+353, P363, P304+340, P310, P321 |
| Flash point | Non-flammable |
| Related compounds | |
| Other compounds | Potassium iodate Iodic acid |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
Potassium biiodate, KH(IO3)2, is a primary standard strong acid in analytical chemistry.[4][5]
Notes and references
Notes
- ↑ Hazards were assessed as for an equimolar mixture of potassium iodate and iodic acid.
References
- ↑ CRC Handbook of Chemistry and Physics, 62nd ed.; Weast, Robert C., Ed.; CRC Press: Boca Raton, FL, 1981; p B-133. ISBN 0-8493-0462-8.
- ↑ 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. (potassium iodate)
- ↑ HSNO Chemical Classification Information Database, <http://www.ermanz.govt.nz/Chemicals/ChemicalDisplay.aspx?SubstanceID=12620> (accessed 9 September 2010), New Zealand Environmental Risk Management Authority. (iodic acid)
- ↑ Kolthoff, I. M.; van Berk, L. H. The Use of Potassium Bi-iodate as a Standard Substance in Alkalimetric and Iodimetric Titrations. J. Am. Chem. Soc. 1926, 48 (11), 2799–2801. DOI: 10.1021/ja01690a006.
- ↑ Processing KODAK Motion Picture Films, Module 4 – Potassium Biiodate; Kodak, <http://motion.kodak.com/motion/uploadedFiles/US_plugins_acrobat_en_motion_support_processing_h244_potBiiod.pdf>. (accessed 9 September 2010).
