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311448

Sigma-Aldrich

Sodium periodate

ACS reagent, ≥99.8%

Synonyme(s) :

Sodium (meta)periodate

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5 G
24,40 €
100 G
115,00 €
500 G
458,00 €

About This Item

Formule linéaire :
NaIO4
Numéro CAS:
7790-28-5
Poids moléculaire :
213.89
Numéro CE :
232-197-6
Numéro MDL:
MFCD00003534
Code UNSPSC :
12352302
ID de substance PubChem :
329753668
Nomenclature NACRES :
NA.21
Essai:
≥99.8%
99.8-100.3% dry basis (ACS specification)
Qualité:
ACS reagent
Forme:
crystalline powder

24,40 €

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Devis pour commande en gros

Qualité

ACS reagent

Niveau de qualité

200

Essai

≥99.8%
99.8-100.3% dry basis (ACS specification)

Forme

crystalline powder

Pertinence de la réaction

reagent type: oxidant

Impuretés

≤0.02% other halogens (as Cl)

pH

3.5-5.5 (25 °C, 107 g/L)

Pf

300 °C (dec.) (lit.)

Traces de cations

Mn: ≤3 ppm

Température de stockage

room temp

Chaîne SMILES 

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

InChI

1S/HIO4.Na/c2-1(3,4)5;/h(H,2,3,4,5);/q;+1/p-1

Clé InChI

JQWHASGSAFIOCM-UHFFFAOYSA-M

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Description générale

Sodium periodate is an inorganic salt commonly used as an oxidizing agent for various organic substrates and a co-oxidant in a few other oxidation reactions. The oxidation of sodium periodate takes place in a water medium, but an organic co-solvent is used for organic substrates that are insoluble in water.

Application

Sodium periodate can be used as an oxidizing agent:
  • In the selective oxidation of sulfides to sulfoxides.
  • For the oxidative cleavage of a variety of 1,2-diols to generate aldehydes or ketones.
  • In the oxidation of diaryl, dialkyl, and aryl alkyl selenides to the respective selenoxides.
  • In the selective alkene epoxidation and alkane hydroxylation reactions.
  • In the selective oxidation of activated cellulose to obtain dialdehyde cellulose (DAC) by cleavage of the bond between C2 – C3 in the glucose unit.
  • It can also be used as an iodinating agent for the iodination of arenes and halo compounds.

Mention d'avertissement

Danger

Mentions de danger

H271,H314,H372,H410

Classification des risques

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

Organes cibles

Thyroid

Code de la classe de stockage

5.1A - Strongly oxidizing hazardous materials

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
MKCV9688
MKCV8287
MKCL6465
MKCW8437
MKCV5217

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Questions

1–3 of 3 Questions  

  1. 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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  2. 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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  3. Is NaIO4 stable in water? Can it be stored as solution, or should it be prepared from powder each time before experiment?

    1 answer

    1. The solution stability of this material has not been determined. A conservative approach would be to prepare fresh with each use.

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