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311448

Sigma-Aldrich

高碘酸钠

ACS reagent, ≥99.8%

同義詞:

（偏）高碘酸钠

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About This Item

線性公式:
NaIO4
CAS號碼:
7790-28-5
分子量：:
213.89
EC號碼:
232-197-6
MDL號碼:
MFCD00003534
分類程式碼代碼:
12352302
PubChem物質ID:
329753668
NACRES:
NA.21
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等級

ACS reagent

品質等級

200

化驗

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

形狀

crystalline powder

反應適用性

reagent type: oxidant

雜質

≤0.02% other halogens (as Cl)

pH值

3.5-5.5 (25 °C, 107 g/L)

mp

300 °C (dec.) (lit.)

正離子痕跡

Mn: ≤3 ppm

儲存溫度

room temp

SMILES 字串

[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

InChI 密鑰

JQWHASGSAFIOCM-UHFFFAOYSA-M

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相關類別

一般說明

高碘酸钠是一种无机盐，通常用作各种有机底物的氧化剂和其他一些氧化反应的助氧化剂。高碘酸钠的氧化发生在水介质中，但有机助溶剂用于不溶于水的有机基质。

應用

高碘酸钠可用作氧化剂：
  • 将硫化物选择性氧化为亚砜。
  • 氧化裂解各种 1,2-二醇以生成醛类或酮类。
  • 将二芳基、二烷基和芳基烷基硒化物氧化为各自的硒氧化物。
  • 选择性烯烃环氧化和烷烃羟基化反应。
  • 选择性氧化活性纤维素，以通过裂解葡萄糖单元中 C2 – C3 之间的键得到双醛纤维素（DAC）。
  • 它还可用作芳烃和卤素化合物的碘化剂。

訊號詞

Danger

危險分類

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

標靶器官

Thyroid

儲存類別代碼

5.1A - Strongly oxidizing hazardous materials

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

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分析證明 (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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