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Merck

P1767

Sigma-Aldrich

Hidróxido de potasio

≥85% KOH basis, pellets, white

Sinónimos:

Potasa cáustica

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About This Item

Fórmula lineal:
KOH
Número de CAS:
Peso molecular:
56.11
EC Number:
MDL number:
UNSPSC Code:
12352106
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21

vapor pressure

1 mmHg ( 719 °C)

Quality Level

assay

≥85% KOH basis

form

pellets

impurities

≤2.0% K2CO3

color

white

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

SMILES string

[OH-].[K+]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

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General description

Potassium hydroxide, also known as caustic potash, is a water soluble strong base. The electron scattering in KOH has been investigated. Its infrared spectrum has been recorded and analyzed. The impact of surface functionalization of active carbons using KOH has been studied. Its role as a catalyst in the Michael addition reaction has been explored.

Application

Potassium hydroxide (KOH) has been used to prepare methanolic-KOH that is employed in a protocol for saponification of fruit extracts.
KOH has been used for adjusting pH during the preparation of the following:
  • Murashige and Skoog (MS) agar plates
  • MS liquid medium
  • MES ((2-(N-morpholino)-ethanesulfonic acid hydrate) solution
  • microtubule stabilizing buffer (MTSB)
  • 4% paraformaldehyde fixative (PFA)

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Michael addition catalyzed by potassium hydroxide under ultrasound.
Li JT, et al.
Synthetic Communications, 33(3), 353-359 (2003)
Yohann Boutté et al.
Nature protocols, 6(4), 446-456 (2011-03-18)
Sterols are eukaryotic membrane components with crucial roles in diverse cellular processes. Elucidation of sterol function relies on development of tools for in situ sterol visualization. Here we describe protocols for in situ sterol localization in Arabidopsis thaliana root cells
Vibrational spectrum of crystalline potassium hydroxide.
Snyder RG, et al.
J. Chem. Phys., 33(4), 1171-1177 (1960)
Carotenoid Extraction and Quantification from Capsicum annuum.
Richins RD, et al.
Bio-protocol, e1256-e1256 (2014)
Potassium hydroxide modified active carbon for adsorptive refrigerators.
Buczek B and Wolak E.
Adsorption, 14(2-3), 283-287 (2008)

Protocolos

This procedure may be used for all Ficin products.

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