Detailed Product Description Name: cis-1,2,3,6-Tetrahydrophthalic anhydride, Tetrahydrophthalic anhydride, cis-4-Cyclohexene-1,2-dicarboxylic anhydride, THPA.Product No: B1001 CAS No ... in benzene and acetone, etc. Sensitive to moisture. Specific gravity: 1.20.Application: Coatings, epoxy resin curing agents, polyester resins, adhesives ... ≥99.0% Chromaticity ≤60# (Pt-Co) Melting Point 100.0±2.0