Maleic Acid Anhydride – Industrial Chemical Intermediate
🧪 CAS Number: 108-31-6
🌟 Product Description
Maleic anhydride is a white crystalline or flake organic compound with a sharp odor. Its high reactivity makes it a versatile raw material in resin, plastic, coating, and chemical industries. It is mainly produced by catalytic oxidation of benzene.
🏭 Applications
🧪 Resin and polyester production
🏗️ Construction chemicals
🧴 Coating and paint additives
📄 Paper and textile processing
⚗️ Intermediate for chemical synthesis
📊 Physical & Chemical Properties
Appearance: White crystals or flakes
Odor: Sharp, irritating
Molecular Formula: C4H2O3
Molecular Weight: 98.06 g/mol
Density (20 °C): ~1.48 g/cm³
Melting Point: ~52 °C
Boiling Point: ~202 °C
Solubility: Slightly soluble in water, soluble in organic solvents
⚠️ Storage & Safety
Maleic anhydride is irritating and corrosive. Inhalation and contact with skin or eyes are harmful. It should be stored in cool, dry, and well-ventilated areas. Proper PPE (gloves, goggles, mask) must be used.
🔑 Keywords
maleic anhydride, CAS 108-31-6, resin production, polyester, industrial chemical, coating raw material
📛 Other Names
2,5-Furandicarboxylic Anhydride, C4H2O3