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Antioxidant 245

Chemical Name: Ethylene bis (oxyethylene) bis[β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate]Or Ethylene bis (oxyethylene) CAS NO.:  36443-68-2 Molecular Formula:C31H46O7 Molecular Weight: 530.69 Specification Appearance:  White crystal powder Melting point :   6-79℃ Volatile:  0.5% max Ash:  0.05% max Light transmittance:  425nm≥95% Light transmittance:  500nm≥97% Purity:   99% min Solubility (2g/20ml, toluene: clear, 10g/100g Trichloromethane Application Antixoidant 245 is a kind of high-effective asymmetric phenolic antioxidant, and its special features involves high efficient antioxidation, low volatility, resistance to oxidation coloring, significant synergistic effect with assistant antioxidant (such as monothioester and phosphite ester), and giving products good weathering resistance when used with light stabilizers. Antioxidant 245 is mainly used as process and long-time stabilizer for styrene polymer like HIPS, ABS, MBS, and engineering thermoplastics like POM and PA, while it also serves as end stopper of chain in PVC polymerization. In addition, the product has no effect on polymer reactions. When used for HIPS and PVC, it can be added into monomers before polymerization. Package and Storage 1. 25KG carton 2. Store the product in a cool, dry, well-ventilated area away from incompatible materials.

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