Specification :

Trimellitic Anhydride(TMA)
CAS.No. 552-30-7
Trimellitic Anhydride 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.
Trimellitic anhydride is used as an embossing agent for vinyl flooring and as a curing agent for epoxy resins. It is also used as an intermediate for the synthesis of surface coatings chemicals, adhesives, polymers, dyes printing inks, pharmaceuticals .
Molecular formula:C9H4O5
Molecular weight:192.12
Appearance: white to off-white flakes
Major Index:
1)Anhydride content:e97.5
2)Purity:>99.5
3) Melting point :163-165 ° C
4) Color,Hazen: 150 max (molten state)
5) Acid value: e872mg(KOH)/g
Packing:25kgs/bag,15 tons in 20’FCL with pallets