Merck
All Photos(8)

221473

Sigma-Aldrich

氢氧化钾

ACS reagent, ≥85%, pellets

Synonym(s):
苛性钾
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
EC 号:
MDL编号:
eCl@ss:
38100303
PubChem化学物质编号:
NACRES:
NA.21

等级

ACS reagent

质量水平

200

蒸汽压

1 mmHg ( 719 °C)

测定

≥85%

形式

pellets

杂质

≤0.001% N compounds
≤2.0% K2CO3
10-15% water

pH值(酸碱度)

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.01%
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.003%

痕量阳离子

Ca: ≤0.005%
Fe: ≤0.001%
Mg: ≤0.002%
Na: ≤0.05%
Ni: ≤0.001%
heavy metals: ≤0.001% (by ICP-OES)

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

Related Categories

一般描述

氢氧化钾是一种无机盐,主要用作合成乙酸钾、 碳酸氢钾和碳酸钾等其他钾化合物的前体。在商业规模上,它是通过氯化钾的电解而合成的。

应用

氢氧化钾可用于以下过程:
  • 丁醇中将腈转化为酰胺。
  • 芳基卤与不同的含硫、氧和氮的亲核试剂在二甲亚砜中的交叉偶联反应。
  • 作为从玉米棒中制备活性炭的活化剂。
  • 作为碱,用于使氮杂环在聚乙二醇-醚溶剂中发生 N-烷基化反应。
  • 从(S)-苯丙氨醇合成(S)-1-(4-苄基-2-硫代噻唑-3-基)丙-1-酮。
  • 催化环氧丙烷的聚合反应。

包装

25, 500, 6×500 g in poly bottle
1, 2.5, 4×2.5 kg in poly bottle
12 kg in fiber drum

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service