File:Potassium-hydroxide-xtal-3D-vdW.png · Wikimedia Commons · See Wikimedia Commons
پتاسیم هیدروکسید
Sign in to saveAlso known as KOH, caustic potash, lye, potassium hydrate, potash lye, Potassium hydroxide, E525
inorganic compound with the formula KOH
OverviewAI-generated
Potassium hydroxide is a chemical compound with the formula KOH, also represented as HKO. It has a molar mass of 56.106 and a density of 2.04. The substance exhibits a melting point of 716 and a boiling point of 2415. Its vapor pressure is 1, and it has a solubility of 107. The standard enthalpy of formation is -425.8, while the molar fusion enthalpy is 7.5 and the molar enthalpy of vaporization is 128.9.
The compound has a refractive index of 1.421 and a ceiling exposure limit of 2. It contains one hydrogen bond donor and one hydrogen bond acceptor, with a total polar surface area of 1. The canonical SMILES notation is [OH-].[K+]. Potassium hydroxide is referenced by 1,315 other encyclopedia articles and has 3666 associated PubMed entries.
Synthesized by Vinony from 27 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.
Chemical data
- Formula
- HKO
- Molecular weight
- 56.106 g/mol
- IUPAC name
- potassium hydroxide
- SMILES
- [OH-].[K+]
- InChIKey
- KWYUFKZDYYNOTN-UHFFFAOYSA-M
- Polar surface area
- 1 Ų
- H-bond donors
- 1
- H-bond acceptors
- 1
- Formal charge
- 0
via PubChem
Drug data · ChEMBL
- Max clinical phase
- Phase 3
- Molecule type
- Small molecule
- Indications
- molluscum contagiosum
via ChEMBL · EBI
Research
3,666 papers- Skin scraping and a potassium hydroxide mount.ReviewIndian journal of dermatology, venereology and leprology · 2006Kurade SM, Amladi SA, Miskeen AKDOI: 10.4103/0378-6323.25794
- Potassium hydroxide mount as an easy bedside test for early detection of cutaneous mucormycosis.Journal of cosmetic dermatology · 2022Agrawal I, Panda M, Sahoo D et al.DOI: 10.1111/jocd.14649
- Dermatophyte infections.ReviewAmerican family physician · 2003Hainer BL
- Potassium Hydroxide-Mediated Pretreatment of Sugarcane Bagasse: High-Efficiency Enzymatic Hydrolysis and Excellent Sugar Recovery.Applied biochemistry and biotechnology · 2025Wang Z, Chi X, Feng H et al.DOI: 10.1007/s12010-025-05225-0
- Comparison of topical potassium hydroxide 5% solution with cryotherapy in the treatment of patients with genital warts: A randomized controlled clinical trial.International journal of STD & AIDS · 2025Javame Ghazvini F, Yazdanpanah MJ, Nahidi Y et al.DOI: 10.1177/09564624241300776
- Abnormal cutaneous reaction to potassium hydroxide in molluscum contagiosum in children.Italian journal of dermatology and venereology · 2022DI Brizzi EV, Russo T, Alfano R et al.DOI: 10.23736/S2784-8671.20.06653-5
- Potassium hydroxide 5% for the treatment of molluscum contagiosum.Drug and therapeutics bulletin · 2014DOI: 10.1136/dtb.2014.10.0285
- Agricultural waste biochar after potassium hydroxide activation: Its adsorbent evaluation and potential mechanism.Bioresource technology · 2023Guan J, Zhu M, Zhou J et al.DOI: 10.1016/j.biortech.2023.129793
via PubMed
Wikidata facts
- Subclass of
- alkali hydroxide
- Mass
- 55.966446332000004
- Image
- Potassium hydroxide.jpg
Show 17 more facts
- Commons category
- Potassium hydroxide
- melting point
- 716
- NIOSH Pocket Guide ID
- 0523
- density
- 2.04
- boiling point
- 1327
- vapor pressure
- 1
- solubility
- 107
- ceiling exposure limit
- 2
- canonical SMILES
- [OH-].[K+]
- chemical formula
- KOH
- standard enthalpy of formation
- -425.8
- molar fusion enthalpy
- 7.5
- molar enthalpy of vaporization
- 128.9
- refractive index
- 1.421
- has characteristic
- generally recognized as safe
- described by source
- Brockhaus and Efron Encyclopedic Dictionary
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
via Wikidata · CC0
Gallery (8)
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