Magnesium hydroxide is the inorganic compound with the chemical formula Mg(OH)₂. It occurs in nature as the mineral brucite. It is a white solid with low solubility in water. Magnesium hydroxide is a common component of antacids, such as milk of magnesia, as well as laxatives.
Chemical formula:Mg(OH)₂
Molar mass:58.3197 g/mol
Appearance:White solid
Odor:Odorless
Density:2.3446 g/cm3
Melting point:350 °C (662 °F; 623 K) decomposes
Solubility in water:0.00064 g/100 mL (25 °C); 0.004 g/100 mL (100 °C)
Antacid: Magnesium hydroxide is commonly used as an over-the-counter medication in the form of milk of magnesia to relieve heartburn, indigestion, and constipation due to its ability to neutralize stomach acid.
Water Treatment: It is widely used in water treatment processes for neutralizing acidic water, treating sewage, and controlling pH levels in wastewater treatment.
Flue Gas Treatment: In environmental applications, magnesium hydroxide is used as a scrubber for removing sulfur dioxide (SO₂) and other acidic gases from flue gas emissions, serving as a more environmentally friendly alternative to lime (CaO) in scrubbers.
Fire Retardant: Mg(OH)₂ is used as a flame retardant in plastics and other materials. It decomposes at high temperatures to release water vapor, which helps to cool and dilute flammable gases, reducing the risk of fire.
Fertilizer: In agriculture, magnesium hydroxide is used to provide magnesium to plants, especially in soils that are deficient in magnesium.
Cosmetics: It is also used in some cosmetic products for its mild skin-soothing and anti-inflammatory properties.
Catalyst: Magnesium hydroxide can be used as a catalyst or catalyst support in some chemical reactions.
Safety: Mg(OH)₂ is generally considered to be non-toxic and safe when used appropriately in food, medicine, and environmental applications. However, excessive intake as an antacid may lead to diarrhea or electrolyte imbalances.
Handling: When handling magnesium hydroxide in its powder form, it’s important to avoid inhaling the dust, as it could irritate the respiratory system. The compound should be kept away from moisture to prevent clumping or degradation.
VI HALBLEITERMATERIAL GmbH (VIMATERIAL) employs a stringent quality assurance system to ensure the reliability of our product quality. Strict quality control is implemented throughout the entire production chain, and for defective products, we strictly enforce the principle of rework and redo. Each batch is released only after passing detailed specification tests.
Every batch of our materials is independently tested, and, if necessary, we send samples to certified companies for testing. We provide these documents and analysis certificates with the shipment to certify that our products meet the required standards.
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