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Merck

P5958

Hidróxido de potasio

BioXtra, ≥85% KOH basis

Sinónimos:

Potasa cáustica

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Fórmula lineal:
KOH
Número CAS:
1310-58-3
Peso molecular:
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

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Nombre del producto

Hidróxido de potasio, BioXtra, ≥85% KOH basis

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

InChI

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

SMILES string

[OH-].[K+]

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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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.

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.

pictograms

CorrosionExclamation mark
GHS05,GHS07

signalword

Danger

Hazard Classifications

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

Clase de almacenamiento

8A - Combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
0000507692
0000507980
0000507693
0000507980
0000507693

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