Antioxidant 626

chemical name: bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite cas no.:26741-53-7 molecular formula: c33h50o6p2 molecular weight: 604 molecular structure specification appearance: white powder assay,%: 95.0 min. melting pointï¼�degree: 170.0-180.0 volatility,%:1.0 max. acid value (mgkohg), %: 1.0 max. free 2,4-di-tert-butyl-phenol, %: 1.0 max. solubility (25 degree, g100g solvent) acetone: 8.5 heptane: 4.5 hexane:4.8 methanol:1.9 mineral oil:10 thf:35 toluene:35.7 water: 0.01 application antioxidant honox-626 is a highly effective phosphite antioxidant which is superior to the other phosphite antioxidants in the protection of polymer color. it provides excellent color stabilization during compounding, fabrication and end use. it is an excellent stabilizer for reducing polymer degradation during processing. it is often blended with phenolic primary antioxidants such as 1010 and 1076 to prepare composite antioxidant which improves the thermo-stability of polymer processing. it is widely used in pe, pp, ps, pa, pc, abs, pvc and many other polymer materials. packing 25kgcarton; or as per customer request. storage containers should be kept tightly closed when not in use.