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Merck

207772

Sigma-Aldrich

ACS reagent, ≥99.8%, solid

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100 G
$213.00
4 X 100 G
$468.00
500 G
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$10,410.00

$213.00


预计发货时间2025年4月25日详情


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选择尺寸

变更视图
100 G
$213.00
4 X 100 G
$468.00
500 G
$671.00
12 KG
$10,410.00

About This Item

经验公式(希尔记法):
I2
CAS号:
分子量:
253.81
Beilstein:
3587194
EC 号:
MDL编号:
UNSPSC代码:
12141916
eCl@ss:
38050601
PubChem化学物质编号:
NACRES:
NA.21

$213.00


预计发货时间2025年4月25日详情


获取大包装报价

等级

ACS reagent

质量水平

蒸汽密度

9 (vs air)

蒸汽压

0.31 mmHg ( 25 °C)
1 mmHg ( 38.7 °C)

方案

≥99.8%

表单

solid

电阻率

1.3E15 μΩ-cm

杂质

≤0.01% nonvolatiles

沸点

184 °C (lit.)

mp

113 °C (lit.)

痕量阴离子

Cl- and Br-: ≤0.005%

储存温度

room temp

SMILES字符串

II

InChI

1S/I2/c1-2

InChI key

PNDPGZBMCMUPRI-UHFFFAOYSA-N

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一般描述

碘在多种溶剂(二恶烷、异丁烯、对二甲苯和苯)中的介电质极化非常高。[1]

应用

是羧酸与醇缩合或酯交换合成酯的催化剂。

一种温和有效的碘催化酯化和酯交换方法
碘可用于催化:
  • 5-(4-硝基苯基)-10,15,20-三苯基卟啉的合成。[2]
  • 饱和烃氧化性C-H键的胺化。[3]
  • 用苄氧羰基(Cbz)基团保护胺。[4]
  • β-酮酸酯或2-吡啶基-β-酯与烯烃直接氧化偶合/环化,分别生成二氢呋喃和中氮茚。[5]
  • 芳香族硫氰化反应生成芳基硫氰酸酯。[6]
  • 乙酸酐与纤维素酯化,生成三乙酸纤维素。[7]
碘用于使薄层色谱(TLC)上易于显示9-溴壬酸、烯丙酯。[8]它还用于制备氧化溶液,这是合成带有3′-端硫代磷酸的寡脱氧核苷酸所必需的。[9]

警示用语:

Danger

危险分类

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Irrit. 2 - Skin Irrit. 2 - STOT RE 1 Oral - STOT SE 3

靶器官

Respiratory system, Thyroid

储存分类代码

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

闪点(°F)

Not applicable

闪点(°C)

Not applicable


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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访问文档库

Iodine-catalyzed one-pot synthesis of unsymmetrical meso-substituted porphyrins.
Boens B, et al.
Tetrahedron, 66(11), 1994-1996 (2010)
Iodine-Catalyzed Radical Oxidative Annulation for the Construction of Dihydrofurans and Indolizines.
Tang S, et al.
Organic Letters, 17(10), 2404-2407 (2015)
Iodine/MeOH: a novel and efficient reagent system for thiocyanation of aromatics and heteroaromatics.
Yadav JS, et al.
Tetrahedron Letters, 45(14), 2951-2954 (2004)
Molecular iodine-catalyzed efficient N-Cbz protection of amines.
Varala R, et al.
Journal of the Iranian Chemical Society, 4(3), 370-374 (2007)
Iodine catalyzed esterification of cellulose using reduced levels of solvent.
Biswas A, et al.
Carbohydrate Polymers, 68(3), 555-560 (2007)

Questions

1–2 of 2 Questions  
  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

      Helpful?

  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

      Helpful?

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