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This is an old revision of this page, as edited by Beetstra (talk | contribs) at 09:21, 6 December 2011 (Saving copy of the {{chembox}} taken from revid 464303919 of page Potassium_hydroxide for the Chem/Drugbox validation project (updated: '').). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Revision as of 09:21, 6 December 2011 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 464303919 of page Potassium_hydroxide for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
This page contains a copy of the infobox ({{chembox}}) taken from revid 464303919 of page Potassium_hydroxide with values updated to verified values.
Potassium hydroxide
pellets of potassium hydroxide
crystal structure of KOH
Names
IUPAC name Potassium hydroxide
Other names Caustic potash
Potash lye
Potassia
Potassium hydrate
Identifiers
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
EC Number
  • 215-181-3
PubChem CID
RTECS number
  • TT2100000
UNII
UN number 1813
InChI
  • InChI=1S/K.H2O/h;1H2/q+1;/p-1Key: KWYUFKZDYYNOTN-UHFFFAOYSA-M
  • InChI=1/K.H2O/h;1H2/q+1;/p-1Key: KWYUFKZDYYNOTN-REWHXWOFAT
SMILES
  • .
Properties
Chemical formula KOH
Molar mass 56.1056 g/mol
Appearance white solid, deliquescent
Density 2.044 g/cm
Melting point 406 °C
Boiling point 1327 °C
Solubility in water 1210 g/L (25 °C)
1780 g/L (100 °C)
Solubility soluble in alcohol, glycerol
insoluble in ether, liquid ammonia
Acidity (pKa) 13.5 (0.1 M)
Refractive index (nD) 1.409
Structure
Crystal structure rhombohedral
Hazards
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 1: Normally stable, but can become unstable at elevated temperatures and pressures. E.g. calciumSpecial hazards (white): no code
3 0 1
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
LD50 (median dose) 273 mg/kg
Related compounds
Other anions Potassium hydrosulfide
Potassium amide
Other cations Lithium hydroxide
Sodium hydroxide
Rubidium hydroxide
Caesium hydroxide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Tracking categories (test):
Chemical compound
  1. ^ Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton, Florida: CRC Press. p. 4-80. ISBN 0-8493-0486-5.