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Merck
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Key Documents

306568

Sigma-Aldrich

Hidróxido de potássio

semiconductor grade, pellets, 99.99% trace metals basis (Purity excludes sodium content.)

Sinônimo(s):

Potassa cáustica

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About This Item

Fórmula linear:
KOH
Número CAS:
Peso molecular:
56.11
Número CE:
Número MDL:
Código UNSPSC:
12352106
eCl@ss:
38100303
ID de substância PubChem:
NACRES:
NA.21

grau

semiconductor grade

Nível de qualidade

pressão de vapor

1 mmHg ( 719 °C)

Ensaio

99.99% trace metals basis (Purity excludes sodium content.)

forma

pellets

composição

KOH, >85.0%

Impurezas

15% water

pH

~13.5 (25 °C, 5.6 g/L)

pf

361 °C (lit.)

traços de cátion

Na: ≤500.0 ppm

cadeia de caracteres SMILES

[OH-].[K+]

InChI

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

chave InChI

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Descrição geral

Potassium hydroxide (KOH), also known as caustic potash. It is used as a significant precursor to many potassium containing products.

Aplicação

In combination with tellurium powder, mediates the quantitative pinacolization of aromatic carbonyl compounds.
Potassium hydroxide can be used:
  • As a base in the synthesis of imines, starting from amines and alcohols.
  • As a base in β-alkylation of secondary alcohols with primary alcohols without any transition metal catalyst.
  • In combination with aluminium for pinacolization of aromatic aldehydes and reduction of hindered ketones.
  • As a precipitating agent in the synthesis of MnZn ferrites nanoparticles (Mn0.8Zn0.2Fe2O4 ferrite nanoparticles) by modified hydrothermal method.

Pictogramas

CorrosionExclamation mark

Palavra indicadora

Danger

Frases de perigo

Classificações de perigo

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

Código de classe de armazenamento

8A - Combustible corrosive hazardous materials

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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