ANTIOXIDANT 697 CAS NO.70331-94-1

Chemical name:2,2’-oxamidobis[ethyl 3-(3,5-di-t-butyl-4-hydroxyphenyl) propionate

CAS No.:70331-94-1

Molecular formular:C₄₀H₆₀N₂O₈

Molecular weight:696.92

Appearance: White powder

Assay,%:≥98

Melting point,℃:174-180

Ash,%:≤0.1

Volatility,%:≤0.5

Light transmittance:425nm≥97%

500nm≥98%

ANTIOXIDANT HONOX-697 is a sterically hindered phenolic antioxidant and metal deactivator.Itprotects polymers against oxidative degradation and metal catalyzed degradation during processing and in end-use applications.Italso provides long term thermalstabilization properties.It has low volatility.Itis an excellent, non-discoloring, non-staining antioxidant and thermal stabilizer with outstanding metal deactivation properties.Typical end use applications include wire and cable insulation, film and sheet manufacture as well as automotive parts.It is especially suitable for polypropylene, polyethylene, polystyrene, polyester, DPDM, EVA and ABS. It has synergistic effect with phosphites, other phenols and thioesters. It is also FDA approved for adhesives and polymers. info at hhochem. com