Merck
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484016

Sigma-Aldrich

Potassium hydroxide

reagent grade, 90%, flakes

Sinónimos:
Caustic potash
Fórmula lineal:
KOH
Número de CAS:
Peso molecular:
56.11
Número de EC:
Número MDL:
eCl@ss:
38100303
ID de la sustancia en PubChem:
NACRES:
NA.21

Nivel de calidad

100

grado

reagent grade

presión de vapor

1 mmHg ( 719 °C)

ensayo

90%

formulario

flakes

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

solubilidad

water: soluble 1120 g/L

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Descripción general

Potassium hydroxide (KOH) is a hygroscopic, water soluble base synthesized by the electrolysis of potassium chloride solution. It is the raw material for the synthesis of many potassium compounds. KOH reacts with CO2 to form potassium carbonate. This property can be utilized to absorb CO2. It participates as catalyst in aldol condensation reactions. KOH anisotropic etching of silicon is used for the fabrication of sub-micron silicon nitride waveguides using conventional contact lithography. Pulverized KOH may be used for the preparation of chalcones.

Aplicación

Potassium hydroxide (KOH) was used in the following processes:
  • Quantification of glutathione (GSH) and glutathione disulfide (GSSG) in biological samples by HPLC.
  • Preparation of buffer for use in the Investigation of seed fatty acid (FA) composition, protein, oil and sugar content.
  • Stable isotopic profiling study of Caenorhabditis elegans.
Potassium hydroxide may be employed as an etchant for the laser modified glass. In combination with tellurium powder, it mediates the quantitative pinacolization of aromatic carbonyl compounds.

Envase

10 kg in fiber drum
1 kg in poly bottle

pictogramas

CorrosionExclamation mark

Palabra de señalización

Danger

Frases de peligro

Clasificaciones de peligro

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

Código de clase de almacenamiento

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Certificado de Análisis

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Certificado de origen

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Seed Storage Reserve Analysis
van Erp H, et al.
Bio-protocol, 4(20), e1263-e1263 (2014)
Marni J Falk et al.
Journal of visualized experiments : JoVE, (48)(48), doi:10-doi:10 (2011-03-16)
Stable isotopic profiling has long permitted sensitive investigations of the metabolic consequences of genetic mutations and/or pharmacologic therapies in cellular and mammalian models. Here, we describe detailed methods to perform stable isotopic profiling of intermediary metabolism and metabolic flux in
Eagleson M.
Concise Encyclopedia Chemistry, 888-888 (1994)
Yuewang Huang et al.
Optics express, 23(5), 6780-6786 (2015-04-04)
We demonstrate a novel technique to fabricate sub-micron silicon nitride waveguides using conventional contact lithography with MEMS-grade photomasks. Potassium hydroxide anisotropic etching of silicon facilitates line reduction and roughness smoothing and is key to the technique. The fabricated waveguides is
Beatriz Martín-García et al.
Small (Weinheim an der Bergstrasse, Germany), 15(52), e1904670-e1904670 (2019-12-04)
Among the large family of transition metal dichalcogenides, recently ReS2 has stood out due to its nearly layer-independent optoelectronic and physicochemical properties related to its 1T distorted octahedral structure. This structure leads to strong in-plane anisotropy, and the presence of

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