210056
Potassium periodate
99.8%, ACS reagent
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
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
232-196-0
MDL number:
Assay:
99.8%, 99.8-100.3% (ACS specification)
Grade:
ACS reagent
Form:
powder
Solubility:
water: soluble (0.42 g/l at 20 °C (68 °F))
grade
ACS reagent
Quality Segment
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.)
solubility
water: soluble (0.42 g/l at 20 °C (68 °F))
cation traces
Mn: ≤1 ppm
SMILES string
[K+].[O-]I(=O)(=O)=O
InChI
1S/HIO4.K/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1
InChI key
FJVZDOGVDJCCCR-UHFFFAOYSA-M
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
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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
WGK 3
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