Merck
CN

P5958

Sigma-Aldrich

氢氧化钾

BioXtra, ≥85% KOH basis

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别名:
苛性钾
线性分子式:
KOH
CAS号:
分子量:
56.11
EC 号:
MDL编号:
eCl@ss:
38100303
PubChem化学物质编号:
NACRES:
NA.21

蒸汽压

1 mmHg ( 719 °C)

质量水平

产品线

BioXtra

检测方案

≥85% KOH basis

形式

pellets

杂质

≤0.0005% Phosphorus (P)
≤0.1% Insoluble matter
≤2.0% K2CO3

pH值(酸碱度)

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

溶解性

H2O: 1 M, clear, colorless

痕量阴离子

chloride (Cl-): ≤0.01%
sulfate (SO42-): ≤0.003%

痕量阳离子

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.05%
Pb: ≤0.001%
Zn: ≤0.0005%

SMILES字符串

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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一般描述

氢氧化钾是一种无机化合物,俗称苛性钾。它是一种强碱,容易与酸反应。它可用于各种反应,如亲核取代、水解和加成反应。有时它也可用作醛型反应的催化剂。

应用

氢氧化钾可用于调节溶液的 pH 值。
它还可用作:
  • 催化剂,通过杂芳香 N-氧化物的烷基化反应合成相应的 C2-炔基杂环。
  • 以二甲基亚砜(KOH/DMSO 介质)为超碱介质,在无过渡金属的条件下,通过芳烃卤化物与各种硫基、氧基和氮基亲核试剂的反应合成交联产物。
  • 钠基沸石的合成及热力学研究。

象形图

CorrosionExclamation mark

警示用语:

Danger

危险声明

危险分类

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

储存分类代码

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

危险化学品

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Yuqian Luo et al.
BMC immunology, 15, 586-586 (2014-12-21)
Highly purified nuclear protein is required when using an electrophoretic mobility shift assay (EMSA) to study transcription factors, e.g. nuclear factor-κB (NF-κB), a major transcription factor that regulates both innate and adaptive immune responses following infection. Although many protocols have
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Nature, 513(7518), 436-439 (2014-07-22)
Fibroblast growth factor 1 (FGF1) is an autocrine/paracrine regulator whose binding to heparan sulphate proteoglycans effectively precludes its circulation. Although FGF1 is known as a mitogenic factor, FGF1 knockout mice develop insulin resistance when stressed by a high-fat diet, suggesting a
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Current biology : CB, 30(23), 4654-4664 (2020-10-10)
In the course of their growth and development, plants have to constantly perceive and react to their environment. This is achieved in cells by the coordination of complex combinatorial signaling networks. However, how signal integration and specificity are achieved in
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Casparian strips (CSs) are cell wall modifications of vascular plants restricting extracellular free diffusion into and out of the vascular system [1]. This barrier plays a critical role in controlling the acquisition of nutrients and water necessary for normal plant

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