CAS 79-41-4 Methacrylic acid, abbreviated MAA, is an organic compound. This colorless, viscous liquid is a carboxylic acid with an acrid unpleasant odor. It is soluble in warm water and miscible with most organic solvents. Methacrylic acid is produced industrially on a large scale as a precursor to its esters, especially methyl methacrylate (MMA) and poly(methyl methacrylate) (PMMA).
Physical Properties:
Melting Point: 15-16°C (pure substance)
Boiling Point: 161°C (standard pressure)
Density: 1.015 g/cm³ (20°C)
Solubility: Soluble in water, alcohols, ketones, esters, and other polar organic solvents
Vapor Pressure: 0.67 kPa (20°C)
Acidity (pKa): 4.66 (25°C) - Classified as a weak acid
Chemical Properties:
Carboxylic Acid Functional Group: Reacts with bases to form methacrylate salts
Double Bond Reactivity: Forms polymethyl methacrylate via free radical polymerization
Volatilization: Decomposes at high temperatures and releases irritating vapors
What is methacrylic acid (MAA CAS 79-41-4) used for?
Coatings and Paints: MAA methacrylic acid is used in automotive clear coats, industrial coatings, and water-based paints to improve hardness, weather resistance, and gloss.
Adhesives and Sealants: Enhances adhesion, strength, and durability.
Plastics and Resins: MAA is a key component in the production of poly(methyl methacrylate) (PMMA) and other specialty plastics.
Textiles: Used to create fabric finishes and textile sizing agents.
Dispersants: Its polymers are used as superplasticizers in concrete to improve workability and reduce water content.
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MAA CAS 79-41-4 Packaging
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Weight |
Packing |
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<25KG |
By foil-alum bag/pap/bottle |
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≥25kg |
Package: 25kg/drum/bag or as your request |
