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Technical Data Sheet Potassium hydroxide
Compound Information
Product Name:
Potassium hydroxide
CAS No.:
1310-58-3
Molecular Formula:
KOH
Molecular Weight:
56.11
Storage:
Store at RT
Revision Date:
2026-04-15
Analytical Information
| Tests | Specifications |
|---|---|
| Appearance | White, deliquescent pellets |
| Solubility | H2O: 1 M at 20 °C, clear, colorless |
| Melting Point | 361 °C (lit.) |
| Elemental Analysis (Theory) Nitrogen compounds (as N) | ≤ 0.001% |
| Heavy Metals | ≤0.001% (as Ag) |
| Anion Chloride (Cl) | ≤0.01% |
| Anion Phosphate (PO4) | ≤5 ppm |
| Anion Sulfate (SO4) | ≤0.003% |
| Cation Calcium (Ca) | ≤0.005% |
| Cation Iron (Fe) | ≤0.001% |
| Cation Magnesium (Mg) | ≤0.002% |
| Cation Nickel (Ni) | ≤0.001% |
| Cation Sodium (Na) | ≤0.05% |
| Carbonate | ≤2% (as K2CO3) |
| Assay by titration | ≥ 85% (as KOH) |
| Specification Reference | ACS reagent |
| IR | Pass test |
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