With over 30 years distributing specialty chemicals across North America, Neuchem has the supplier relationships and logistics expertise to source Trimellitic Anhydride for automotive, construction, and consumer products manufacturers, among others — for use in polymer production and coatings, and more. Our team typically responds to quote requests within one business day.
Available in bags and bulk bags, with alternative packaging available. Our global supplier network gives us the flexibility to offer competitive pricing alongside reliable availability. SDS available for download.
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Trimellitic Anhydride
Description
Trimellitic Anhydride is a white crystalline solid that serves as a critical intermediate in the production of high-performance polymers, plasticizers, and coatings. TMA is widely used in specialty plasticizers known for their excellent heat and extraction resistance, ideal for wire and cable insulation and automotive applications.
It is also a key building block in polyester resins, powder coatings, and adhesives, contributing durability, chemical resistance, and thermal stability. TMA reacts readily with alcohols and amines, making it versatile for a wide range of polymeric systems.

Applications
End Markets
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