Key Specifications
Chemical Name : Phthalic Anhydride
CAS No. : 85-44-9
Molecular Formula : C₈H₄O₃
Molecular Weight : 148.12 g/mol
Appearance : White crystalline flakes / needles
Purity : ≥99.5%
Melting Point : 130–132°C
Boiling Point : 284°C
Solubility : Hydrolyzes in water to phthalic acid
Key Features
- Important intermediate for plasticizers
- Used in alkyd resin and coating systems
- Suitable for unsaturated polyester resin production
- High reactivity for chemical synthesis
- Wide downstream application coverage
Main Applications
- Used to produce phthalate-based plasticizers for flexible PVC.
- Used in alkyd resins, varnishes, industrial coatings, and decorative paints.
- Used in FRP composites for construction, automotive, marine, and industrial parts.
- Used in dyes, pigments, saccharin, and agricultural chemicals.
