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Merck
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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號碼:
231-659-4
MDL號碼:
MFCD00011405
分類程式碼代碼:
12352302
PubChem物質ID:
329765766
NACRES:
NA.21

等級

ACS reagent
anhydrous

品質等級

100

蒸汽壓力

1 mmHg ( 745 °C)

產品線

Redi-Dri™

化驗

≥99%

形狀

crystals

品質

free-flowing

雜質

≤0.001% N compounds
≤0.005% insolubles

損耗

≤0.2% loss on drying

pH值

6.0-9.2 (25 °C, 5%)

mp

681 °C (lit.)

負離子痕跡

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

正離子痕跡

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

SMILES 字串

[K+].[I-]

InChI

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

InChI 密鑰

NLKNQRATVPKPDG-UHFFFAOYSA-M

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相关类别

一般說明

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!

應用

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。

特點和優勢

  • 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

法律資訊

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

象形圖

Health hazard
GHS08

訊號詞

Danger

危險聲明

H372

危險分類

STOT RE 1 Oral

標靶器官

Thyroid

儲存類別代碼

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

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

分析证书(COA)

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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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