Trimellitic Anhydride
CAS:552-30-7
Code:TMA
Formula:C9H4O5
Trimellitic anhydride (TMA) is an aromatic anhydride providing excellent heat resistance and flexibility in high-performance polyesters and plasticizers. It is widely used for flexible PVC, powder coatings, and wire enamel binders where elevated temperature stability is essential.
Technical Specifications
Molecular FormulaC9H4O5
Molecular Weight192.12
Melting Point165°C
Boiling PointDecomposes > 320°C
Density1.59 g/cm³ (25°C)
Purity99% min
Values shown are typical specification targets; request the latest Technical Data Sheet for certified ranges.
Applications
High-temperature polyester resins
plasticizers for flexible PVC
powder coatings
wire enamels