Origin	China
CAS NO.	935-79-5

Poduct Name: Tetrahydrophthalic Anhydride(THPA) 

Chemical Name: Cis-1,2,3,6-Tetrahydrophthalic Anhydride / Cis-4-Cyclohexene-1,2-Dicarboxylic Anhydride

Molecular Formula : C8H8O3               Molecular Weight :152.15

Appearance: white flaky solid

Color in Molten State, THPA (Pt-Co) : 60# max

Purity,  Wt% (Gaschromatography) : 99.0% min

Solidification Point : 100±1.5℃

Ash Content ,Wt : 0.005 % max

Application :

1. THPA is used as a component of hardeners for epoxies to make the condensate with better weather proof, heat resisting and electrical performance.

For expoxy resin curing agent, etc., curing material with excellent weatherability, heat resistance and electrical performance

2. As modifying agents to alkyd resins,catalure and melamine resin.

3. Used for the unsaturated polyester resins to make it with better proof ,colour stability, corrosion resistance and mechanical strength.

4. Used for the mancufacture of captan sulfuration conditioning agent,plasticity agent and surface active agent,etc.