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06005 Sigma-Aldrich

Potassium hydroxide

puriss., meets analytical specification of Ph. Eur., BP, 85-100.5%, pellets

Synonym: Caustic potash

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Properties

Related Categories Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Bases,
Quality Level   200
vapor pressure   1 mmHg ( 719 °C)
grade   puriss.
assay   85-100.5%
form   pellets
quality   meets analytical specification of Ph. Eur., BP
impurities   residual solvents, complies
  ≤0.0005% heavy metals (as Pb)
  ≤0.0005% total nitrogen (N)
  ≤1% K2CO3
pH   ~13.5 (25 °C, 5.6 g/L)
mp   361 °C (lit.)
anion traces   chloride (Cl-): ≤50 mg/kg
  phosphate (PO43-): ≤10 mg/kg
  silicate (as SiO2): ≤100 mg/kg
  sulfate (SO42-): ≤20 mg/kg
cation traces   Al: ≤10 mg/kg
  As: ≤3 mg/kg
  Ca: ≤20 mg/kg
  Fe: ≤10 mg/kg
  Na: ≤1%
SMILES string   [OH-].[K+]
InChI   1S/K.H2O/h;1H2/q+1;/p-1
InChI key   KWYUFKZDYYNOTN-UHFFFAOYSA-M
Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1813 8 / PGII
WGK Germany 
WGK 1
RTECS 
TT2100000
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable
Protocols & Articles

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