Chemical Name: Tetraphenyl Dipropylene Glycol Diphosphite CAS No.?80584-85-6 Molecular formula?C30H32O7P2 Molecular weight?566 Molecular structure Specification Appearance: Clear liquid Specific gravity (25 ?)?1.164-1.190 Refractive index (25 ?)?1.557-1.563 Application PHOSPHITE ANTIOXIDANT HONOX-TDD is a specialty diphosphite which is useful as a secondary stabilizer in many polymers, including PVC, Polyurethane, ABS, Engineering plastics etc.. info at hhochem. com