Stearoyl Benzoyl methane, 1,3-eicosanedione,1-phenyl, Mixture of β-diketones,the main component Packing: 25kg/bag SBM(Rhodiastab 50、55) CAS Number:58446-52-9 Rhodiastab 50 Specification: Appearance: white to pale yellow powder Assay(acidimetric) (meq/100g): 245min. Melting point: 58℃ Loss on drying(120℃,1hr): 0.50% max. Ash(Sulfate): 0.2% max Heavy metal: 2ppm max Solution in Toluene(1g/20ml): clear Color: 100Hazen max. Rhodiastab 55 Specification: Appearance: white to pale yellow powder Assay(acidimetric) (meq/100g): 225min. Melting point: 50℃ Loss on drying(120℃,1hr): 1.0% max. Ash(Sulfate): 0.3% max Heavy metal: 10ppm max Solution in Toluene(1g/20ml): clear Color: 150Hazen max. High Quality Prompt Delivery Free Sample Conclusion: UP TO THE STANDARD