Overview
Dihydroxyaluminum is a chemical compound with the formula Al(OH)2. It is primarily used in the pharmaceutical industry as an active ingredient in antacid medications. The compound is known for its ability to neutralize stomach acid, providing relief from heartburn and indigestion. In addition to its medicinal uses, dihydroxyaluminum finds applications in industrial processes, such as catalysis and water treatment. Its stability and low toxicity make it a preferred choice in various chemical formulations.
Physical and Chemical Properties
Dihydroxyaluminum appears as a white powder or crystalline solid with a density of 2.42 g/cm³. It is insoluble in water but dissolves in acidic solutions. The compound decomposes at around 300°C, making it stable under normal storage conditions. Its antacid properties stem from its ability to react with hydrochloric acid in the stomach, forming aluminum chloride and water. This reaction effectively reduces acidity, providing symptomatic relief. The compound is also non-toxic, making it safe for use in pharmaceuticals.
Main Applications
The primary application of dihydroxyaluminum is in the pharmaceutical industry, where it is used in antacid formulations. These medications are commonly prescribed for conditions like gastroesophageal reflux disease (GERD) and peptic ulcers. Beyond pharmaceuticals, dihydroxyaluminum serves as a catalyst in certain industrial chemical reactions. It is also used in water treatment processes to remove impurities and adjust pH levels. Its versatility and safety profile make it valuable in multiple sectors.
Safety and Storage
Dihydroxyaluminum is generally safe to handle but requires basic precautions. Avoid inhaling the dust, as it may cause respiratory irritation. Use gloves and protective eyewear when handling the compound in powder form. Store dihydroxyaluminum in a cool, dry place, away from moisture and acids. Proper storage ensures the compound remains stable and effective for its intended applications. Always refer to the material safety data sheet (MSDS) for detailed handling instructions.
B2B Procurement Guide
When procuring dihydroxyaluminum, verify the CAS number (21645-51-2) to ensure you are purchasing the correct compound. Check the purity specifications, as higher purity grades are required for pharmaceutical applications. Bulk purchases often come with price discounts, making them cost-effective for large-scale industrial use. Establish a relationship with reputable suppliers to ensure consistent quality and reliable delivery. Always request samples for testing before committing to large orders.
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