Antioxidant 245

chemical name: triethylene glycol bis[3-(3-tert-butyl-4-hydroxy-5-methyl phenyl) cas no.36443-68-2 molecular formular: c34h50o8 molecular weight:586.8 molecular structure specification appearance: white powder volatility, %:0.50 ash, %:0.50 melting point, degree: 76-79 assay, %: 98.0 min. transmittance 425nm: 95% min. 500nm:97% min. solubility (20degree g100g solvent) acetone50 benzene:18 chloroform40 ethanol:10 ethyl acetate:37 hexane 0.1 methanol:12 methylene chloride:40 toluene:6 styrene:6 water:0.001 application antioxidant honox-245 is a partially- hindered phenolic antioxidant that provides excellent processing and long term thermal stability. it is mainly used in the processing and improvement of long-term thermal stability of styrene polymer such as hips, mbs and abs, engineering plastic such as pom, pa and polyurethane . it is also an effective chain terminator in pvc polymerizations. it can be added into monomers before polymerization when it is used for hips and pvc.