Name: cis-1,2,3,6-Tetrahydrophthalic anhydride, Tetrahydrophthalic anhydride, cis-4-Cyclohexene-1,2-dicarboxylic anhydride, THPA. CAS No: 935-79-5 ,85-43-8 Formula:C8H8O3 Formula Weight: 152.16 Properties: Soluble in benzene and acetone, etc. Sensitive to moisture. Specific gravity: 1.20. Application: Coatings, epoxy resin curing agents, polyester resins, adhesives, plasticizers, pesticides, etc. Package: 25 kg plastic woven bags or paper bags,500kg plastic woven bags. Cautions: Store in cool, dry places and keep away from fire and moisture.