Chemical name: N,N-hexamethylene bis (3-(3,5-di-t-butyl-4-hydroxyphenyl) propionamide) CAS No.: 23128-74-7                               Molecular formula:C40H64N2O4 Molecular weight:637                                                                                         Appearance: White powder Assay,%: ≥98 Melting point,℃: 156-162 Ash,%: ≤0.1 Volatility,%: ≤0.3 Clarity of solution: Clear Transmittance    425nm≥97%      500nm≥98% ANTIOXIDANT HONOX-1098 has characteristics of nondiscolouring, low volatility, good extraction –resistance in hot water and good synergistic with general antioxidant. It is especially suited for the long term thermal and process stabilization of polyamide (nylon) molded parts, fibers and films. It is also used for other polymers such as polyacetal, polyester, polystyrene, elastomer, polyurethane, ABS resin, adhesive, rubber and so on.   info at hhochem. com