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About This Item
Linear Formula:
KOH
CAS Number:
Molecular Weight:
56.11
MDL number:
UNSPSC Code:
12352106
eCl@ss:
38100303
PubChem Substance ID:
NACRES:
NA.21
form:
liquid
Recommended Products
form
liquid
Quality Level
concentration
43.0-47.0 wt. % (KOH basis, by HCl, titration)
45 wt. % in H2O
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
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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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Storage Class Code
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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Kinetics of depolymerization of poly (ethylene terephthalate) in a potassium hydroxide solution.
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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.
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