210056
Potassium periodate
ACS reagent, 99.8%
Synonym(s):
Periodic acid potassium salt, Potassium (meta)periodate
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About This Item
Linear Formula:
KIO4
CAS Number:
Molecular Weight:
230.00
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.21
assay:
99.8%
99.8-100.3% (ACS specification)
99.8-100.3% (ACS specification)
grade:
ACS reagent
form:
powder
Recommended Products
grade
ACS reagent
Quality Level
assay
99.8%
99.8-100.3% (ACS specification)
form
powder
reaction suitability
reagent type: oxidant
impurities
≤0.01% other halogens
pH
~5.1 (25 °C, 5 g/L)
mp
582 °C (lit.)
cation traces
Mn: ≤1 ppm
SMILES string
[K+].[O-]I(=O)(=O)=O
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General description
Potassium periodate is widely used as an oxidizing agent. It produces singlet oxygen (1O2) in alkaline medium via a non-photochemical pathway. This singlet oxygen can selectively oxidizes aqueous organic pollutants.
Application
Potassium periodate may be employed as a chromogenic reagent for the sensitive estimation of phenothiazine drugs (either in pure form or in pharmaceutical formulations). It may also be used in the following:
- To compose silica-based slurries for polishing of ruthenium surface.
- To prepare slurry containing glycine for ruthenium and copper polishing.
- Spectrophotometric estimation of manganese in soil and fertilizer samples.4
signalword
Danger
hcodes
Hazard Classifications
Aquatic Acute 1 - Eye Dam. 1 - Ox. Sol. 1 - Skin Corr. 1C - STOT RE 1
target_organs
Thyroid
Storage Class
5.1A - Strongly oxidizing hazardous materials
wgk_germany
WGK 3
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Ruthenium polishing using potassium periodate as the oxidizer and silica abrasives.
Peethala BC and Babu SV.
Journal of the Electrochemical Society, 158(3), H271-H276 (2011)
Improved removal selectivity of ruthenium and copper by glycine in potassium periodate (KIO4)-based slurry.
Zeng X, et al.
Journal of the Electrochemical Society, 159(11), C525-C529 (2012)
Milne GWA.
Gardner's Commercially Important Chemicals: Synonyms, Trade Names, and Properties, 513-513 (2005)
Alok D Bokare et al.
Environmental science & technology, 49(24), 14392-14400 (2015-11-26)
A nonphotochemical generation of singlet oxygen ((1)O2) using potassium periodate (KIO4) in alkaline condition (pH > 8) was investigated for selective oxidation of aqueous organic pollutants. The generation of (1)O2 was initiated by the spontaneous reaction between IO4(-) and hydroxyl
Determination of some phenothiazine drugs based on colour reaction with potassium periodate.
Basavaiah K, et al.
Analytical Letters, 33(1), 43-51 (2000)
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