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Merck
CN

417661

Potassium hydroxide solution

45 wt. % in H2O

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About This Item

Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
UNSPSC Code:
12352106
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21
MDL number:
Form:
liquid
Solubility:
water: soluble
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form

liquid

Quality Level

concentration

43.0-47.0 wt. % (KOH basis, by HCl, titration), 45 wt. % in H2O

solubility

water: soluble

density

1.456 g/mL at 25 °C

SMILES string

[K+].[O-][H]

InChI

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

InChI key

KWYUFKZDYYNOTN-UHFFFAOYSA-M

General description

Potassium hydroxide (KOH) solution is a strong alkali widely used in chemical synthesis. Van Slyke apparatus and Hildebrand adsorption technique have been utilized to determine the solubility of oxygen in different concentration of KOH solution.

Application

Potassium hydroxide solution may be used in the following processes:
  • Depolymerization of poly(ethylene terephthalate) (PET) flakes.
  • Synthesis of potassium bicarbonate and potassium carbonate.
  • As an eluent in the nonsuppressor ion chromatography to separate and determine inorganic and organic anions.
  • Saponification of fruit seed oil to determine tocopherols and tocotrienols.


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pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

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

Storage Class

8B - Non-combustible corrosive hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

危险化学品

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Ledgard J.
The Preparatory Manual of Explosives., 79-79 (2007)
Nonsuppressor ion chromatography of inorganic and organic anions with potassium hydroxide as eluent.
Okada T and Kuwamoto T.
Analytical Chemistry, 55(7), 1001-1004 (1983)
The solubility and diffusion coefficient of oxygen in potassium hydroxide solutions.
Davis RE, et al.
Electrochimica Acta, 12(3), 287-297 (1967)



Global Trade Item Number

SKUGTIN
417661-18L04061838161642
417661-2L04061837760198
417661-500ML04061832090450
417661-1L04061832090443
417661-660LB04061838227539