Merck

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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此商品
30603221473484016
vibrant-m

P5958

氢氧化钾

vibrant-m

30603

氢氧化钾

vibrant-m

221473

氢氧化钾

vibrant-m

484016

氢氧化钾

solubility

H2O: 1 M, clear, colorless

solubility

-

solubility

-

solubility

water: soluble 1120 g/L

assay

≥85% KOH basis

assay

≥85%

assay

≥85%

assay

90%

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

100

mp

361 °C (lit.)

mp

361 °C (lit.)

mp

361 °C (lit.)

mp

361 °C (lit.)

vapor pressure

1 mmHg ( 719 °C)

vapor pressure

1 mmHg ( 719 °C)

vapor pressure

1 mmHg ( 719 °C)

vapor pressure

1 mmHg ( 719 °C)

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


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氢氧化钾 tested according to Ph. Eur.

Sigma-Aldrich

60377

氢氧化钾

氢氧化钾 puriss., meets analytical specification of Ph. Eur., BP, 85-100.5%, pellets

Sigma-Aldrich

06005

氢氧化钾

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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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