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311448

Sigma-Aldrich

Sodium periodate

ACS reagent, ≥99.8%

Sinônimo(s):

Sodium (meta)periodate

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About This Item

Fórmula linear:
NaIO4
Número CAS:
7790-28-5
Peso molecular:
213.89
Número CE:
232-197-6
Número MDL:
MFCD00003534
Código UNSPSC:
12352302
ID de substância PubChem:
329753668
NACRES:
NA.21
Preço e disponibilidade não estão disponíveis no momento.

grau

ACS reagent

Nível de qualidade

200

Ensaio

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

Formulário

crystalline powder

adequação da reação

reagent type: oxidant

Impurezas

≤0.02% other halogens (as Cl)

pH

3.5-5.5 (25 °C, 107 g/L)

pf

300 °C (dec.) (lit.)

traços de cátion

Mn: ≤3 ppm

temperatura de armazenamento

room temp

cadeia de caracteres 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

chave InChI

JQWHASGSAFIOCM-UHFFFAOYSA-M

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Descrição geral

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.

Aplicação

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.

Palavra indicadora

Danger

Frases de perigo

H271,H314,H372,H410

Classificações de perigo

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

Órgãos-alvo

Thyroid

Código de classe de armazenamento

5.1A - Strongly oxidizing hazardous materials

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

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Certificados de análise (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

      Helpful?

  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

      Helpful?

  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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