Key Specifications
Chemical Name : Maleic Anhydride
CAS No. : 108-31-6
Molecular Formula : C₄H₂O₃
Molecular Weight : 98.06 g/mol
Appearance : White flakes / briquettes
Purity : ≥ 99.5%
Melting Point : 52–56°C
Boiling Point : 202°C
Solubility : Soluble in water (hydrolyzes), acetone, benzene
Key Features
- High reactivity for polymer modification
- Excellent compatibility with unsaturated polyester systems
- Stable industrial supply via n-butane oxidation process
- Widely used in resin and chemical synthesis
Main Applications
Unsaturated Polyester Resin (UPR)
- Core raw material for fiberglass (FRP)
- Used in construction, automotive, marine
Coatings & Additives
- Alkyd resins
- Lubricant additives
- Plasticizers
Chemical Intermediates
- Production of BDO / THF / GBL
- Agrochemicals and food additives
Production Process
The mainstream industrial production of Maleic Anhydride is based on the n-butane oxidation process, using vanadium-phosphorus oxide catalysts.
