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.

Available from Arpadis, a European chemical distributor supplying synthetic resin intermediates to manufacturers across Europe since 1999.

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.

Availability & Supply

Arpadis distributes Trimellitic Anhydride across Europe with supply chain coverage from our offices in Belgium, France, Italy, the UK, and Portugal. Request a quote for pricing and lead times, or contact us for technical data sheets (TDS) and safety data sheets (SDS).

European distributionISO 9001:2015 certifiedResponsible Care

Applications

High-temperature polyester resins
plasticizers for flexible PVC
powder coatings
wire enamels

About Arpadis

Arpadis is a family-owned European chemical distribution company active since 1999. With ISO 9001:2015 certification and Responsible Care commitment, Arpadis supplies specialty chemicals — including synthetic resin intermediates — to coatings, adhesives, plastics, and foam manufacturers across Europe.