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210056

Sigma-Aldrich

Kalium(meta)periodat

99.8%, ACS reagent

Synonym(e):

Periodsäure Kaliumsalz

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100 G
€ 107,00
500 G
€ 373,00

About This Item

Lineare Formel:
KIO4
CAS-Nummer:
7790-21-8
Molekulargewicht:
230.00
EG-Nummer:
232-196-0
MDL-Nummer:
MFCD00011407
UNSPSC-Code:
12352300
PubChem Substanz-ID:
329752072
NACRES:
NA.21

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Qualität

ACS reagent

Assay

99.8%
99.8-100.3% (ACS specification)

Form

powder

Eignung der Reaktion

reagent type: oxidant

Verunreinigungen

≤0.01% other halogens

pH-Wert

~5.1 (25 °C, 5 g/L)

mp (Schmelzpunkt)

582 °C (lit.)

Kationenspuren

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

InChIKey

FJVZDOGVDJCCCR-UHFFFAOYSA-M

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Allgemeine Beschreibung

Potassium periodate is widely used as an oxidizing agent.[1] It produces singlet oxygen (1O2) in alkaline medium via a non-photochemical pathway. This singlet oxygen can selectively oxidizes aqueous organic pollutants.[2]

Anwendung

Potassium periodate may be employed as a chromogenic reagent for the sensitive estimation of phenothiazine drugs (either in pure form or in pharmaceutical formulations).[3] It may also be used in the following:
  • To compose silica-based slurries for polishing of ruthenium surface.[4]
  • To prepare slurry containing glycine for ruthenium and copper polishing.[5]
  • Spectrophotometric estimation of manganese in soil and fertilizer samples.4

Signalwort

Danger

Gefahreneinstufungen

Aquatic Acute 1 - Eye Dam. 1 - Ox. Sol. 1 - Skin Corr. 1C - STOT RE 1

Zielorgane

Thyroid

Lagerklassenschlüssel

5.1A - Strongly oxidizing hazardous materials

WGK

WGK 3

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
MKCX5574
MKCW7087
MKCV2838
MKCS5519
MKCQ8277

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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.

Die Dokumentenbibliothek aufrufen

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)
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)
Determination of some phenothiazine drugs based on colour reaction with potassium periodate.
Basavaiah K, et al.
Analytical Letters, 33(1), 43-51 (2000)
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
Milne GWA.
Gardner's Commercially Important Chemicals: Synonyms, Trade Names, and Properties, 513-513 (2005)
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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