Potassium biiodate

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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 [13455-24-8]
EC number 236-650-9
ChemSpider 2341255
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 Skin Corr. 1C, Eye Dam. 1Ox. Sol. 2Acute Tox. 4 (oral)
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.

Notes and references

Notes

  1. Hazards were assessed as for an equimolar mixture of potassium iodate and iodic acid.

References

  1. 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.
  2. 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.
  3. 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.