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Merck
CN

60388

Potassium iodate

BioUltra, ≥99.5% (RT)

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About This Item

Linear Formula:
KIO3
CAS Number:
Molecular Weight:
214.00
UNSPSC Code:
41115716
PubChem Substance ID:
EC Number:
231-831-9
MDL number:
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InChI key

JLKDVMWYMMLWTI-UHFFFAOYSA-M

InChI

1S/HIO3.K/c2-1(3)4;/h(H,2,3,4);/q;+1/p-1

SMILES string

[K+].[O-]I(=O)=O

product line

BioUltra

assay

≥99.5% (RT)

form

solid

impurities

insoluble matter, passes filter test, ≤0.002% total nitrogen (N)

loss

≤0.05% loss on drying, 110 °C

pH

5.0-8.0 (25 °C, 0.1 M in H2O)

mp

560 °C (lit.)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

density

3.93 g/mL at 25 °C (lit.)

anion traces

bromide, bromate, chloride, chlorate (as Cl-): ≤200 mg/kg, iodide (I-): ≤20 mg/kg, sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, Ba: ≤50 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 276 nm in H2O at 0.1 M

storage temp.

2-8°C

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Other Notes

Primary standard for iodometry;

Regulatory Information

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Chand Pasha et al.
Bulletin of environmental contamination and toxicology, 81(1), 47-51 (2008-05-27)
A simple spectrophotometric method has been developed for the determination of arsenic in various environmental and biological samples. The method is based on the reaction of arsenic(III) with potassium iodate in acid medium to liberate iodine. This liberated iodine bleaches
Ralf Biebinger et al.
The British journal of nutrition, 102(9), 1362-1369 (2009-08-06)
Adverse sensory changes prevent the addition of highly bioavailable ferrous sulfate (FeSO4) to most wheat flours. Poorly absorbable reduced Fe powders are commonly used. Encapsulation of FeSO4 can overcome these sensory changes, but the particle size of commercial compounds is
Fabian Rohner et al.
Food and nutrition bulletin, 33(4 Suppl), S330-S335 (2013-03-01)
Despite considerable progress made in the past decade through salt iodization programs, over 2 billion people worldwide still have inadequate iodine intake, with devastating consequences for brain development and intellectual capacity. To optimize these programs with regard to salt iodine
Tatsuya Kawai et al.
Academic radiology, 18(6), 682-689 (2011-03-12)
Evaluation of contrast enhancement of pulmonary lesions with ground-glass attenuation (GGA) is difficult with conventional techniques but might be possible using contrast-mapping images (CMIs) obtained by dual-energy computed tomography. To address this issue, a phantom study was conducted, and this
C Dryden et al.
Journal of perinatology : official journal of the California Perinatal Association, 27(5), 320-322 (2007-04-25)
Congenital thyrotoxicosis is a rare and potentially fatal illness. We report a case in a preterm infant delivered to a mother known to have autoimmune endocrine disease. Diagnosis was difficult because the infant's presenting symptoms and signs closely resembled congenital

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