氢氧化钾，Potassium hydroxide；pellets, reag. Ph. Eur., ≥85%

图片 氢氧化钾，Potassium hydroxide；pellets, reag. Ph. Eur., ≥85%
别名: 苛性钾 线性分子式: KOH CAS号: 1310-58-3 分子量: 56.11 EC 号: 215-181-3 MDL编号: MFCD00003553 eCl@ss: 38100303 PubChem化学物质编号: 329753544 NACRES: NA.21
制造商品牌: 西格玛 Sigma-Aldrich
货号（SKU）: 30603
CAS号: 1310-58-3
MDL号: MFCD00003553
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¥538.42

说明

一般描述

Potassium hydroxide is a strong alkali that can be used in nucleophilic substitution reactions, addition reactions, and basic hydrolysis reactions. It can also be used to catalyze aldol-type reactions[1].
 

应用

Potassium hydroxide can be used as a base:
  • In the Pd-catalyzed Heck reaction of aryl halides with alkenes[2].
  • To synthesize β-alkylated alcohols via pincer-Ni catalyzed Guerbet reaction[3].
  • For the hydroxylation of aryl or heteroarylboronic acids to corresponding phenols[4].
It can also be used as a catalyst for the:
  • Transesterification of triglycerides to prepare biodiesels[5].
  • Synthesis of β-phenylethylamines via intermolecular addition of arylamines to styrenes[6].
  • Claisen-Schmidt condensation reaction to synthesize chalcones.

 

属性

Agency

USP/NF
reag. Ph. Eur.

质量水平

200

蒸汽压

1 mmHg ( 719 °C)

测定

≥85%

形式

pellets

杂质

≤2.0% K2CO3

pH值（酸碱度）

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

痕量阴离子

chloride (Cl-): ≤0.02%
phosphate (PO43-): ≤0.01%
sulfate (SO42-): ≤0.02%

痕量阳离子

Al: ≤0.001%
Ca: ≤0.001%
Fe: ≤0.001%
Na: ≤1.0%
Ni: ≤0.0005%

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

 

安全信息

象形图

CorrosionExclamation mark
GHS05,GHS07

警示用语：

Danger

危险声明

H290 - H302 - H314

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

商品规格
属性名称属性值
储存温度 Storage temp.常温阴凉避光
全球实时库存 Availability √美国St. Louis ≥ 50 | 欧洲Eur. ≥ 12 | 東京Tokyo ≥ 20 | 香港与北京 ≥ 50
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