Magnesium acetate stands as a chemical compound recognized by its formula C4H6MgO4 and molecular weight of 142.39 g/mol. It emerges as a salt produced from magnesium and acetic acid, designed for both laboratory settings and industrial applications. This compound appears in several forms, including solid powder, crystalline flakes, pearls, and occasionally as a liquid solution, responding to the needs of different industries. Magnesium acetate dissolves well in water and alcohol, giving it flexibility in many formulations. Its physical structure, whether as a granular powder or as clear crystals, owes much to the manufacturing process and purity level, supporting its role as a foundation in chemical synthesis, deicing, textile processing, and food additives. The product's HS Code slots in as 29152990, anchoring its global trade identity.
Solid magnesium acetate typically forms colorless, odorless crystals or a fine, white, powdery substance, which feels slippery to the touch due to its hygroscopic nature. This hygroscopicity means it attracts moisture from surrounding air, so keeping it stored in airtight containers matters if you do not want clumping or dilution. Its density hovers around 1.45 g/cm³ for anhydrous material, but shifts once water of hydration enters. Magnesium acetate tetrahydrate, the more common commercial form, reveals a crystalline habit, density of approximately 1.45 g/cm³, and melting point near 80°C. On dissolving in water, the compound breaks down fully, releasing magnesium ions and acetate ions, with the solution giving a faintly acidic response thanks to the acetic acid residue. Magnesium acetate’s chemical structure—a central magnesium ion chelated by two acetate groups—reflects stability in most lab conditions, though contact with strong oxidants or bases should be avoided to prevent unwanted reactions.
Bulk supplies arrive as powders, flakes, or pearls, each variation fine-tuned for process needs. Analytical grade batches prioritize purity (often above 99%) and exclude heavy metals, while industrial grades may hold minor impurities depending on end use. Standard packaging involves polyethylene-lined bags, drums, or jars to protect each kilogram or liter of material from atmospheric contamination. Moisture content falls under strict limits for those using magnesium acetate as a catalyst or reagent, where unwanted water can alter reactivity. Reputable manufacturers share detailed certificates of analysis, covering property measurements—such as assay values, trace contaminant levels, identifiable physical traits—and maintain a Material Safety Data Sheet (MSDS) to discuss hazards and handling practices.
Behind its practical use, the molecular formula C4H6MgO4 stands for a blend of two acetate ions and one magnesium atom. The crystalline structure of magnesium acetate makes it stable at room temperature, yet susceptible to gradual absorption of environmental water vapor. In solid form, this compound resists most organic solvents while dissolving quickly in water, producing clear solutions. Handling flakes feels different from working with powder: flakes are less prone to dust and easier to measure in large quantities, where powder forms help in fine dosing for lab work. Each structural type arises from the same core molecular arrangement, but the difference in shape can influence reactivity and ease of mixing during batch preparation.
Density metrics shift with form and water content. Pure, anhydrous magnesium acetate clocks in at 1.45 g/cm³. Hydrated versions, such as the tetrahydrate, show similar bulk density numbers, though flakes often pack more loosely than powder. In the laboratory, chemists keep track of these details because the volume measured never perfectly matches the mass if you do not account for crystal water content or packing density. Pearls and flakes, solidified through granulation, reduce airborne dust but might dissolve slower compared to ground powder. In liquid formulations—magnesium acetate in-water solution—the chemical disperses uniformly, often used by municipalities as a road deicer thanks to its lower environmental impact compared to calcium chloride or sodium chloride.
Magnesium acetate poses low toxicity but commands respect in the chemical storeroom. Although not classified as a dangerous substance under European or U.S. regulations, safe storage and use protect from avoidable accidents. Skin or eye contact with concentrated solutions may cause mild irritation, and ingesting large quantities could upset the stomach. Inhalation risk mainly ties to powder handling, where airborne dust particles may irritate nasal passages or lungs. Proper glove use and goggles, along with dust masks when handling large batches, go a long way in maintaining a safe workspace. Magnesium acetate holds no flammability hazards in dry or wet form, but should never be mixed with strong oxidizers. Emergency procedures rely on thorough rinsing with water and prompt medical attention if accidental exposure leads to irritation. Disposal requires no special precautions unless mixed with other strong chemicals, making this a practical compound from both a raw material and waste management standpoint.
Manufacturers and industrial users pull from the diverse strengths of magnesium acetate to fill wide-ranging needs. In textile dyeing, it acts as a mordant; in food processing, it helps maintain acidity and support mineral fortification under controlled standards. Chemical synthesis calls on magnesium acetate as a reactant, introducing magnesium without nonvolatile byproducts, a feature valued for both environmental and process cleanliness. The deicing market uses magnesium acetate solution because it minimizes corrosion on vehicles and infrastructure—a significant improvement over traditional salts. Laboratories look for reliable batch-to-batch consistency in molecular formula, density, and physical form, qualities that differentiate premium sources from lower-grade stock. As a result, selecting magnesium acetate means more than just reading a label; it relies on understanding the structural, chemical, and physical properties that underpin both performance and safety.
Experience shows that magnesium acetate earns its spot as a dependable raw material, not due to hype but real-world performance. Its material characteristics, simple structure, and straightforward handling make it essential in settings that value both safety and reliability. For workers and buyers, trusting the specification data—density, purity, water content—can influence product consistency and end result. With rising interest in safer, less hazardous substitutes for common chemicals, magnesium acetate finds a growing audience across many industries, underlining its continuing relevance.