Trimellitic Anhydride

White flakes. Melting point 168℃. Soluble in water and ethanol, acetone and other common organic solvents.

                                  ANALYSIS  RESULT
ITEM STANDARD TEST RESULT
Appearance  White Flake White Flake
Total Anhydride % ≥ 98 98.12
Acid Value(mgKOH/g) ≥ 873 873.96
Melting Point ℃≥ 164.0 165.2
Molten color(pt-co)# ≤ 120 100
PA （ppm) ≤ 300 <300
Conclusion: Qualified

Trimeric anhydride is used to make unsaturated polyester resin, polyimide resin, high temperature resistant insulation materials, PVC heat resistant plasticizer, epoxy resin curing agent, dyes, capacitor impregnating oil and adhesives.