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Potassium hydroxide, commonly known as KOH, is a highly soluble inorganic compound that appears as white flakes or pellets. It is produced through the electrolysis of potassium chloride and is known for its strong alkaline properties. KOH is hygroscopic, meaning it readily absorbs moisture from the air, which can affect its handling and storage.
| Chemical formula | KOH |
| Molecular weight | 56.11 g/mol |
| Purity | Typically 85% to 95% |
| Appearance | White flakes or pellets |
| Solubility | Soluble in water |
| pH level (1% solution) | Approximately 14 |
When selecting potassium hydroxide, buyers should consider the required purity level and the form (flakes or pellets) that best suits their application. It's important to specify the desired quantity and any relevant safety or handling certifications. Additionally, understanding the specific use case can help in determining the appropriate grade and packaging options.
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It is commonly used in fertilizers, cleaning agents, and chemical manufacturing.
Yes, it is caustic and can cause burns; proper safety precautions should be taken.
It should be stored in a cool, dry place in tightly sealed containers to prevent moisture absorption.
Yes, but it must meet food-grade standards and regulations.
It can be harmful to aquatic life; proper disposal methods should be followed.
Flakes are typically easier to dissolve, while pellets may be preferred for certain applications due to their handling properties.