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China, Chinese Factory Price Epsom Salt 25kg 0.1mm-1mm 1-3mm 2-4mm 99%Min Mgso4 Magnesium Sulfate Heptahydrate Mgso4.7H2O1 Industrial Products Supplier Manufacturer Details, price list catalog:
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FertilizerMagnesium Sulfate Heptahydrate0.1mm~1mm Magnesium Sulfate Heptahydrate
Shandong Jiuchong Chemical Co., Ltd.
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Product Description Product DescriptionMagnesium Sulfate Heptahydrate Product Description1. Basic InformationMagnesium sulfate heptahydrate, with the chemical formula MgSO4·7H2O, is a well - known chemical compound. Commonly referred to as Epsom salt, it is a hydrated form of magnesium sulfate, where seven water molecules are chemically bound to each unit of magnesium sulfate. This compound has a molar mass of approximately 246.47 g/mol. It is widely utilized in various industries due to its unique physical and chemical properties, making it an essential substance in modern manufacturing, agriculture, and healthcare.2. Physical and Chemical Properties2.1 Physical AppearanceIn its pure state, magnesium sulfate heptahydrate presents as colorless, monoclinic crystals. These crystals often have a transparent or translucent quality, giving them a glass - like appearance with a vitreous luster. When processed into a powder, it appears as fine, white granules. One of its notable physical characteristics is its odorlessness, which is crucial for applications where any unwanted smell could be a drawback, such as in pharmaceuticals and cosmetics.2.2 SolubilityMagnesium sulfate heptahydrate exhibits high solubility in water. At a temperature of 20°C, around 26.9 grams of the compound can dissolve in 100 milliliters of water. This solubility increases with rising temperature, following an endothermic dissolution process. The high solubility is a result of strong interactions between the polar water molecules and the ionic components of the compound. Such solubility properties allow for the easy preparation of concentrated solutions, which are widely used in various applications like fertilizers, pharmaceuticals, and industrial processes.2.3 Thermal BehaviorWhen exposed to heat, magnesium sulfate heptahydrate undergoes a series of dehydration reactions. Starting at approximately 48°C, it begins to lose its water molecules in a step - by - step manner. First, it transforms into the pentahydrate (MgSO4·5H2O), then further heating leads to the formation of the tetrahydrate (MgSO4·4H2O), trihydrate (MgSO4·3H2O), dihydrate (MgSO4·2H2O), and monohydrate (MgSO4·H2O). Finally, at temperatures exceeding 200°C, it completely dehydrates to form anhydrous magnesium sulfate (MgSO4). Each stage of dehydration is accompanied by distinct changes in its crystal structure and physical properties, and the energy required for these transformations can be precisely measured using techniques like thermogravimetric analysis.3. Production Methods3.1 Natural ExtractionOne of the primary sources of magnesium sulfate heptahydrate is natural deposits. It can be found in salt lakes, brine wells, and mineral springs across the globe. For example, significant deposits are located in the Great Salt Lake region of the United States. The extraction process begins with pumping the brine, which contains magnesium sulfate along with other salts and minerals, to the surface. The brine is then subjected to an evaporation process, either through solar evaporation in large evaporation ponds or by using mechanical evaporation methods. As the water evaporates, the concentration of magnesium sulfate increases until the compound precipitates out as crystals. These crystals are then harvested, washed thoroughly to remove impurities, and dried to obtain the final product. However, the quality of the product from natural sources may vary, often requiring additional purification steps to meet specific industry standards.3.2 Chemical SynthesisMagnesium sulfate heptahydrate can also be produced through chemical reactions. A common approach involves reacting sulfuric acid (H2SO4) with magnesium - containing compounds. When sulfuric acid reacts with magnesium oxide (MgO), the chemical reaction is as follows: MgO + H2SO4 + 6H2O → MgSO4·7H2O. This reaction is highly exothermic, so appropriate safety measures must be implemented. Similarly, reactions with magnesium hydroxide (Mg(OH)2) or magnesium carbonate (MgCO3) can also yield magnesium sulfate heptahydrate. After the reaction, the resulting solution is filtered to remove any insoluble impurities. Then, through a process of controlled cooling and crystallization, the magnesium sulfate heptahydrate crystals are formed, separated from the mother liquor, and dried to obtain a high - purity product. Chemical synthesis offers more control over the product's quality and purity compared to natural extraction.4. Quality and Purity StandardsFor industrial applications, magnesium sulfate heptahydrate is typically required to have a purity level of at least 99%. However, for more specialized uses such as in the and food industries, even higher purity standards are necessary. The presence of impurities, especially heavy metals like lead, arseni c, cadmiu m, and mg, must be strictly limited. Regulatory bodies worldwide, such as the US Food and Drug Administration and the European Medicines Agency, have set strict guidelines on the maximum allowable levels of these contaminants.In addition to purity, other quality parameters are also important. Particle size is carefully controlled, as different applications may require specific sizes. For example, in fertilizers, a certain particle size distribution ensures even spreading and proper dissolution in soil or water. Moisture content is another crucial factor; maintaining the right level of moisture prevents caking during storage and transportation, ensuring the product remains in a usable state.5. Storage and TransportationMagnesium sulfate heptahydrate should be stored in a cool, dry environment, away from direct sunlight and heat sources. Exposure to high temperatures can cause dehydration, altering its chemical and physical properties. Containers should be tightly sealed to prevent moisture absorption, which can lead to caking of the product. During transportation, it is important to protect the product from physical damage and ensure that it is not exposed to extreme environmental conditions. Although generally considered non - hazardous, when handling large quantities, appropriate personal protective equipment such as gloves and goggles should be worn to prevent direct skin or eye contact. Appearance:colorless or white crystalsSize:Magnesium sulfate heptahydrate 0.1mm~1mmMagnesium sulfate heptahydrate 1~3mmMagnesium sulfate heptahydrate 2~4mm Product ParametersTEST ITEMS TEST STANDARDTEST RESULTPURITY≥99.5%99.68%MAGNESIUM SULFATE(MgSO4)≥48.0%48.38%MAGNESIUM OXIDE (MgO)≥16.0%16.24%MAGNESIUM(Mg)≥9.8%9.85%SULFUR (S)≥12.5%12.5%WATER INSOLUBLE≤0.10%0.06%Fe≤0.0015%<0.0015%As≤0.0005%<0.0001%HEAVY METAL (AS Pb)≤0.002%0.0002%CHLORIDE≤0.0014%<0.0014% Application Agriculture Printing and Dyeing Industry Paper-making Industry Sewage Treatment Glass and Ceramic Industry Leather-making IndustryApplications of Magnesium Sulfate Heptahydrate 1. Agriculture: Acts as a fertilizer to supply magnesium/sulfur for plant growth and a feed additive to prevent livestock deficiencies. 2. Cosmetics: Functions as an exfoliant in skin scrubs and a frizz - reducer in hair care products. 3. Industry: Serves as a mordant in textiles, a filler/sizing agent in paper, and a raw material for chemical synthesis. 4. Water/Aquaculture: Aids coagulation in wastewater treatment and supplements magnesium in aquatic environments.Packaging & ShippingPackaging 25kg bag 50kg bag 1000kg bag ShippingWe mainly ship products by MSK, COSCO, MSC, MCC, CMA, OOCL, APL,HPL, ONE, WANHAI.CertificationsCompany Profile Shandong Jiuchong Chemical Company Limited was founded in 2016, which is located in Weifang City, Shandong Province, China. We have 228 square meters of office space. Now Jiuchong chemical is a large modern international chemical enterprise with more than 28 series. Since our establishment, the company has gradually established and improved a sound supply chain system, quality monitoring system and service system, ensuring products quality and service. At the same time, relying on our own geographical location and resource advantages, our company is committed to the optimization of a variety of chemical supply chain, including magnesium chloride, sodium metabisulfite, sodium bicarbonate, calcium chloride, magnesium sulfate, polyaluminium chloride, aluminium sulfate, industrial salt, soda ash etc. Our products are sold well in 288 domestic cities and more than 36 foreign countries. Now the company has won the praise and trust of domestic and foreign customers. Based on stable quality and output, good team service and staff efforts, we will continue to develop domestic and foreign markets.Jiuchong chemical takes "integrity, innovation and development" as the concept, puts integrity in the priority position in serving customers, and guarantees high quality products and satisfactory cooperation for customers experience. Your satisfaction is our driving force. Quality is the soul of enterprise and that is what we have always done. In the future, Shandong Jiuchong Chemical Company Limited hopes to build a brilliant tomorrow with you!Customer ReviewsFAQ
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