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CAS NO: 108-31-6 Formula: C4H2O3
Product Description: Maleic Anhydride, a white crystalline solid with an acrid odor, serves as a vital organic compound. Derived from benzene or butane oxidation, it exhibits remarkable chemical properties, making it an essential chemical intermediate.
Usage and Application:
Maleic anhydride is a versatile chemical compound with a wide range of applications across various sectors due to its unique reactivity and ability to form a variety of derivatives. It is an important intermediate in the synthesis of various chemicals and materials. In this comprehensive report, we will explore the applications and uses of Maleic anhydride in different sectors, covering its properties, processing methods, and advantages in each application.
- Unsaturated Polyester Resins (UPR): One of the primary applications of Maleic anhydride is in the production of unsaturated polyester resins (UPR). Maleic anhydride is copolymerized with various diols, such as propylene glycol or ethylene glycol, and unsaturated acids or anhydrides to produce UPR. Unsaturated polyester resins are used in:
- Composite materials: UPR-based composites are extensively used in the construction, marine, and automotive industries for manufacturing lightweight and strong components, such as boat hulls, pipes, and automotive body parts.
- Building materials: UPR is employed in the production of construction materials like panels, artificial marble, and countertops due to its excellent moldability and high-strength properties.
- Alkyd Resins: Maleic anhydride is a key component in the production of alkyd resins, which find applications in paints, coatings, and varnishes. Maleic anhydride is copolymerized with polyols, such as glycerol, and fatty acids to form alkyd resins. Alkyd resins are used in:
- Paints and coatings: Alkyd-based paints are commonly used for decorative and protective coatings on various surfaces, including metal, wood, and concrete, due to their good adhesion and durability.
- Varnishes: Alkyd varnishes provide a glossy finish and are used to protect and enhance the appearance of wood and other substrates.
- Fumaric Acid Production: Maleic anhydride is converted to fumaric acid through a simple hydrolysis reaction. Fumaric acid is widely used in the food and beverage industry as an acidulant, flavor enhancer, and preservative.
- Food and beverage industry: Fumaric acid is used in the production of carbonated beverages, fruit-flavored drinks, and various food products to enhance taste and provide acidity.
- Maleic Acid Production: Maleic anhydride is also hydrolyzed to produce maleic acid, which is used in various applications, including:
- Detergent and cleaner formulations: Maleic acid is employed as a chelating agent in cleaning products to improve the effectiveness of detergents and remove mineral deposits.
- Water treatment: Maleic acid is used in water treatment processes as a scale and corrosion inhibitor to protect industrial equipment and plumbing systems from mineral buildup.
- Lubricant and Surfactant Additives: Maleic anhydride is used to produce various lubricant and surfactant additives, which enhance the performance and stability of lubricants and detergents.
- Lubricants: Maleic anhydride-derived additives improve the anti-wear, anti-friction, and thermal stability properties of lubricating oils and greases.
- Surfactants: Maleic anhydride-based surfactants are used in detergents and cleaning products to enhance their emulsifying and dispersing abilities.
- Maleic Anhydride Grafted Polymers: Maleic anhydride can be grafted onto polymer chains to introduce reactive sites, which can further be used for various purposes:
- Maleic anhydride-grafted polyethylene: This material is used in the production of automotive parts, pipes, and wire coatings to improve adhesion and compatibility with other materials.
- Maleic anhydride-grafted polystyrene: This material is used in blends with polypropylene to enhance its properties, such as impact resistance and melt strength.
- Agricultural Chemicals: Maleic anhydride is utilized in the synthesis of certain agricultural chemicals, such as pesticides and herbicides.
- Pesticides: Maleic anhydride-derived pesticides are used to control pests and protect crops from damage, contributing to increased agricultural productivity.
- Pharmaceuticals: Maleic anhydride and its derivatives are used as intermediates in the synthesis of various pharmaceuticals and drugs.
- Active pharmaceutical ingredients (APIs): Maleic anhydride is used to synthesize certain APIs used in the treatment of various medical conditions.
- Corrosion Inhibitors: Maleic anhydride-based derivatives are employed as corrosion inhibitors to protect metal surfaces from corrosion and rusting.
- Metal protection: These inhibitors are used in coatings, paints, and metal treatments to increase the lifespan of metal structures and equipment.
- Lubricant and Fuel Additives: Certain maleic anhydride derivatives act as additives in lubricants and fuels to improve their performance and efficiency.
- Fuel efficiency: These additives enhance fuel combustion and reduce harmful emissions, leading to improved fuel efficiency and reduced environmental impact.
- Molecular Weight: 98.06 g/mol
- Melting Point: 52-54°C
- Boiling Point: 202°C
- Density: 1.48 g/cm³
- Solubility: Soluble in water, alcohol, and acetone
- Quality Assurance: Our foremost priority is the quality of Maleic Anhydride products. Stringent quality control measures are implemented at every stage of the production process.
- Versatility: Our Maleic Anhydride caters to a diverse range of applications, making it an indispensable chemical in various industries.
- Reliable Supply: With a robust supply chain network, we ensure timely delivery to clients across India, the Middle East, and major cities worldwide.
- Customization: We offer flexible customization options to meet specific customer requirements and packaging preferences.
- Expert Team: Our team of experts possesses extensive knowledge and experience in the chemical industry, providing optimal customer support and technical assistance.
- Odor: Acrid aroma
- Vapor Pressure: 0.02 mmHg at 25°C
- Flash Point: 126°C (Closed cup)
- Solubility in Water: Reacts to form maleic acid
