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Potassium hydroxide is a highly caustic substance that poses significant risks if not handled properly. Contact with the skin or eyes can result in severe burns and permanent damage. Inhalation of its dust or mist may irritate the respiratory tract, potentially leading to coughing, sneezing, and, in severe cases, lung damage. Ingesting potassium hydroxide is extremely dangerous, as it can cause severe burns to the mouth, throat, and stomach, possibly resulting in vomiting, diarrhea, and even death.

When potassium hydroxide comes into contact with water, it generates significant heat, which can lead to violent boiling and spattering. This reaction can ignite combustible materials nearby. Additionally, potassium hydroxide reacts with certain metals, such as aluminum and zinc, releasing flammable hydrogen gas.

To minimize these risks, it's essential to handle potassium hydroxide with appropriate protective equipment, including gloves, goggles, and protective clothing. Ensure that work areas are well-ventilated to prevent the accumulation of harmful vapors. Always add potassium hydroxide slowly to water, never the reverse, to control the exothermic reaction and prevent splattering. Store potassium hydroxide in tightly sealed containers, away from moisture and incompatible substances, to maintain safety.

Potassium hydroxide (KOH) is a highly reactive chemical that interacts vigorously with various substances, necessitating careful handling to prevent hazardous situations. When combined with acids, KOH undergoes exothermic neutralization reactions, releasing significant heat that can cause splattering and potential burns. For example, mixing KOH with Hydrochloric Acid produces potassium chloride and water, accompanied by heat generation.

KOH also reacts with certain metals, such as aluminum and Zinc, leading to the release of flammable hydrogen gas. This reaction not only poses a fire risk but can also result in explosions if the gas accumulates in confined spaces. Additionally, KOH's strong alkaline nature allows it to attack glass and some plastics, potentially compromising the integrity of containers and equipment.

Due to its hygroscopic properties, KOH readily absorbs moisture and carbon dioxide from the air, forming potassium carbonate. This characteristic can lead to the degradation of the chemical over time and may affect its reactivity. Therefore, it's essential to store KOH in tightly sealed containers made of compatible materials, such as certain plastics or coated metals, to prevent unintended reactions and maintain its stability.

In summary, the reactive nature of potassium hydroxide with acids, metals, and atmospheric components underscores the importance of proper storage and handling practices to ensure safety and maintain the chemical's effectiveness.