ANTIOXIDANT SONOX 245 Chemical Name: Ethylene bis (oxyethylene) bis [β-(3-tert-butyl-4-hydroxy-5-methyl phenyl) propionate] Molecular Formula: C34H50O8 Molecular Weight: 586.8 CAS No.: 36443-68-2 Appearance: white, free-flowing powder Melting point: 76.0~79.0℃ Volatilizing: Max. 0.50% Clarity of solution, 10g/100g chloroform: Clear solution Transmittance: 425nm Min. 95.0% 500nm Min. 97.0% Assay: 98.0%min Properties: Soluble in benzene, acetone, chloroform, acetic acid, methanol, insoluble in water . SONOX 245 is odorless, of low volatility, has a good color stability and exhibits high extraction resistance.