Potassium Hydroxide: A Strong Alkaline and Multifunctional Chemical
Major Application Fields
The main applications of potassium hydroxide include its use as a strong alkaline catalyst, saponification agent, pH regulator, corrosion inhibitor, and electrolyte. In chemical synthesis, potassium hydroxide is a commonly used strong alkaline catalyst that can promote a variety of organic and inorganic reactions, such as the saponification of esters, dehydration of alcohols, and alkaline catalysis in organic synthesis. It provides a highly alkaline environment to ensure efficient reaction progress. For example, in soap manufacturing, potassium hydroxide is an essential saponification agent that converts fats into soap and glycerin, improving product quality and stability.
In the pharmaceutical industry, potassium hydroxide is used in the synthesis of certain drug intermediates. It can regulate the pH of drug solutions to ensure their stability and bioavailability. Additionally, potassium hydroxide is used in the preparation of alkaline drugs, such as certain antibiotics and alkaline amino acids. In the electronics industry, potassium hydroxide is an important electrolyte widely used in alkaline batteries and fuel cells. It provides a stable alkaline environment to ensure the efficient operation of batteries and fuel cells. For example, in nickel-metal hydride batteries, potassium hydroxide serves as the electrolyte, enhancing the battery's discharge performance and cycle life.
In the food industry, potassium hydroxide is a safe food additive used to regulate the acidity or alkalinity of food products, ensuring their safety and stability. For example, in the production of certain candies and chocolates, potassium hydroxide is used to adjust the pH of the products, improving their taste and texture. In water treatment, potassium hydroxide is used to adjust the pH of water and remove acidic impurities. It can also be used to neutralize acidic wastewater to meet environmental discharge standards. For example, in industrial wastewater treatment, potassium hydroxide is used to neutralize acidic wastewater, preventing environmental pollution.
Potassium hydroxide is a strong alkaline chemical with significant corrosive properties. During use and storage, it should be kept sealed to avoid contact with skin and eyes. Appropriate protective equipment, such as gloves, goggles, and protective clothing, should be worn during handling to ensure safety.
Specifications
| Product Name | Potassium Hydroxide | |||||||||
| Chemical Formula | KOH | |||||||||
| Molecular Weight | 56.11 | |||||||||
| Appearance | White powder or flaky solid | |||||||||
| Melting Point | 380°C | |||||||||
| Boiling Point | 1324°C | |||||||||
| Density | 2.044 g/cm³ | |||||||||
| CAS NO | 1310 - 58 - 3 | |||||||||
| HS Code | 28152000 | |||||||||
| EINECS NO | 215 - 181 - 3 | |||||||||
| Application | Chemicals, batteries, detergents, etc. | |||||||||
Quality Control Sheet
| Product Name | Potassium Hydroxide | ||||||
| ITEM | STANDARD VALUE（%） | TEST VALUE（%） | |||||
| KOH | ≥90.0 | 90.38 | |||||
| K2CO3 | ≤0.5 | 0.3 | |||||
| CLORIDE(CL) | ≤0.005 | 0.0048 | |||||
| Sulfate(SO )4 | ≤0.002 | 0.00% | |||||
| Nitrate & Nitrite(N) | ≤0.0005 | 0.0001 | |||||
| Fe | ≤0.0002 | 0.00015 | |||||
| Na | ≤0.5 | 0.48 | |||||
| PO4 | ≤0.002 | 0.0009 | |||||
| SIO3 | ≤0.01 | 0.0001 | |||||
| AL | ≤0.001 | 0.0007 | |||||
| CA | ≤0.002 | 0.001 | |||||
| Ni | ≤0.0005 | 0.0005 | |||||
| Heavy Metal（PB） | ≤0.001 | No | |||||
| Appearance | White Flakes | ||||||
| TEST STANDARD | Superior Grade | ||||||
In summary
In summary, potassium hydroxide, as a strong alkaline and multifunctional chemical, plays an important role in chemical processing, pharmaceuticals, electronics, food, and water treatment. It not only enhances the performance and quality of products but also supports the development of modern industry. With continuous technological advancements and increasing demand for efficient chemicals, the application prospects for potassium hydroxide will be even broader.