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746428

Sigma-Aldrich

碘化钾

anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99%

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About This Item

线性分子式:
KI
CAS号:
7681-11-0
分子量:
166.00
EC 号:
231-659-4
MDL编号:
MFCD00011405
UNSPSC代码:
12352302
PubChem化学物质编号:
329765766
NACRES:
NA.21
方案:
≥99%
等级:
ACS reagent
anhydrous
表单:
crystals

等级

ACS reagent
anhydrous

质量水平

100

蒸汽压

1 mmHg ( 745 °C)

产品线

Redi-Dri™

方案

≥99%

表单

crystals

质量

free-flowing

杂质

≤0.001% N compounds
≤0.005% insolubles

缺失

≤0.2% loss on drying

pH值（酸碱度）

6.0-9.2 (25 °C, 5%)

mp

681 °C (lit.)

痕量阴离子

chloride, bromide (as Cl)-: ≤0.01%
iodate (IO3-): ≤3 ppm
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%

痕量阳离子

Ba: ≤0.002%
Ca: ≤0.002%
Fe: ≤3 ppm
Mg: ≤0.001%
Na: ≤0.005%
heavy metals (as Pb): ≤5 ppm

SMILES字符串

[K+].[I-]

InChI

1S/HI.K/h1H;/q;+1/p-1

InChI key

NLKNQRATVPKPDG-UHFFFAOYSA-M

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相关类别

一般描述

碘化钾是一种水溶性无机盐，可通过氢碘酸与碳酸氢钾反应来制备。

Redi-Dri™ 技术消除了结块，也不需要复杂的程序来保持盐的自由流动。保持盐干燥有助于改进结果，提供准确的测量和更容易处理的盐和缓冲液。Redi-Dri™ 不需要在烤箱或干燥器中干燥盐，也不需要手动将盐分开，可以确保盐在几个月内保持易于使用，而无需担心防结块剂。即使在反复打开后，你也可以确信你的结果总是准确的。Redi-Dri™ 可以节省你的时间、精力和金钱，让你的盐可以使用更长时间!

应用

碘化钾可用作以下反应的催化剂：
  • 以叔丁基过氧化氢作为氧化剂时，芳族伯胺转化成相应的硝基化合物。
  • 在镍催化剂存在下，芳基卤转化为芳基碘。
  • 在8-冠-6和叔丁基过氧化氢存在下，通过活化烯烃和磺酰肼在水中反应而制备磺化羟吲哚。

特点和优势

  • 提高效率——免除需要松散硬化粉末的时间和精力
  • 更加安全——避免使用工具大力敲碎团块的风险
  • 更加经济——制备和溶剂化速度更快，提高效率并节约成本
  • 质量保证——经过专业检测的出色品质，无抗结剂添加
  • 灵活的用量选择——有从研究到放大级别的用量规格可供选择

法律信息

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

象形图

Health hazard
GHS08

警示用语：

Danger

危险声明

H372

危险分类

STOT RE 1 Oral

靶器官

Thyroid

储存分类代码

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

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
MKCV7082
MKCV7244
MKCW2654
MKCW6370
MKCP2917

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  1. How does Redi-Dri™ help keep salts and buffers free-flowing?

    Redi-Dri™ products are specially handled and the bottle is specially designed to ensure that the product will remain dry without adding impurities or additives to the product. Ensuring that you receive the highest quality material that is easy to handle.

  2. Are there any special storage conditions that must be maintained?

    No, Redi-Dri™ products can be stored under the same conditions as the equivalent non-Redi-Dri™ products.

  3. How long will material remain free-flowing after it is opened?

    While the exact amount of time your material will remain free-flowing can vary, this largely depends on the ambient storage conditions and how many times it is opened.

Qing Chu et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany), 7(8), 1903592-1903592 (2020-04-25)
Congenital heart disease (CHD) is the major cause of morbidity/mortality in infancy and childhood. Using a mouse model to uncover the mechanism of CHD is essential to understand its pathogenesis. However, conventional 2D phenotyping methods cannot comprehensively exhibit and accurately
W R Heymann
Journal of the American Academy of Dermatology, 42(3), 490-492 (2000-02-25)
The inhibition of organic binding of iodide in the thyroid gland by excess iodide, resulting in the cessation of thyroid hormone synthesis, is known as the Wolff-Chaikoff effect. This review explores the nature of the Wolff-Chaikoff effect, both in terms
J B Sterling et al.
Journal of the American Academy of Dermatology, 43(4), 691-697 (2000-09-27)
Potassium iodide (KI) is a useful drug in the dermatologic armamentarium. It is successfully used for inflammatory dermatoses, most notably erythema nodosum, subacute nodular migratory panniculitis, nodular vasculitis, erythema multiforme, and Sweet's syndrome. KI is also successfully used for cutaneous
Pietro Santulli et al.
Human reproduction (Oxford, England), 30(1), 49-60 (2014-11-08)
Are protein oxidative stress markers [thiols, advanced oxidation protein products (AOPP), protein carbonyls and nitrates/nitrites] in perioperative peritoneal fluid higher in women with histologically proven endometriosis when compared with endometriosis-free controls? Protein oxidative stress markers are significantly increased in peritoneal
Christoph Reiners et al.
Radiation and environmental biophysics, 52(2), 189-193 (2013-03-12)
Thyroid cancer in children and adolescents has to be considered as the most severe health consequence of a nuclear reactor emergency with release of radioiodine into the atmosphere. High doses of potassium iodide are effective to block radioiodine thyroid uptake
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Redi-Dri™ – The World of Free-flowing Hygroscopic Products

Redi-Dri™ prevents hygroscopic powders, such as inorganic salts, from absorbing moisture and forming clumps, leaving the salts free-flowing every time.

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