Trimellitic Anhydride

Trimellitic Anhydride(TMA) is mainly used as raw material for polyester resin, polyimide resin, plasticizer TOTM, and also be used for producing heatproof & insulating, adhesive, surfactant, paint, synthesize dye materials etc.
 
 CAS NO.  552-30-7  
 Molecular Formula  C9H4O5
 Molecular Weight  192.12
 Major Index  Anhydride  ≥97.5%
 Melting point  165±2 °C
 Acid value  ≥872 mg(KOH)/g
 Color (Pt-Co)  ≤150#
 Total Acid & Anhydride  ≥99%
 Packing  25kgs/bag (To be designated by the buyers)