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Merck

P5958

Hydroxyde de potassium

BioXtra, ≥85% KOH basis

Synonyme(s) :

Potasse caustique

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A propos de cet article

Formule linéaire :
KOH
Numéro CAS:
1310-58-3
Poids moléculaire :
56.11
PubChem Substance ID:
329820239
eCl@ss:
38100303
UNSPSC Code:
12352106
NACRES:
NA.21
EC Number:
215-181-3
MDL number:
MFCD00003553
Assay:
≥85% KOH basis
Form:
pellets
Solubility:
H2O: 1 M, clear, colorless

Principaux documents

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InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

InChI

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

vapor pressure

1 mmHg ( 719 °C)

product line

BioXtra

assay

≥85% KOH basis

form

pellets

impurities

≤0.0005% Phosphorus (P), ≤0.1% Insoluble matter, ≤2.0% K2CO3

pH

~13.5 (25 °C, 5.6 g/L)

mp

361 °C (lit.)

solubility

H2O: 1 M, clear, colorless

anion traces

chloride (Cl-): ≤0.01%, sulfate (SO42-): ≤0.003%

cation traces

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%

Quality Level

200

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Catégories apparentées

General description

Potassium hydroxide is an inorganic compound commonly known as caustic potash. It is a strong alkali, readily reacts with acids. It can be used in various reactions such as nucleophilic substitution, hydrolysis, and addition reactions. Sometimes it can also be used as a catalyst for aldol-type reactions.

Application

Potassium hydroxide can be used to adjust the pH of the solution.
It can also be used:
  • As a catalyst in the alkynylation of heteroaromatic N-oxides to synthesize corresponding C2-alkynylheterocycles.
  • As a superbase medium with dimethyl sulfoxide (KOH/DMSO medium) for the synthesis of cross-coupling products under transition metal-free conditions from reactions between aryl halides and various sulfur, oxygen and nitrogen-based nucleophiles.
  • In the synthesis and thermodynamic study of Na-based zeolites.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

Classe de stockage

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
0000533335
0000533337
0000533336
0000523989
0000523989

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