Chemical Name: 2,4,4'-tricholro-2'-hydroxy diphenyl ether, 5-Chloro-2-(2', 4'-dichlorophenoxy) phenol Registered Number: CAS: 3380-34-5 Molecular Formula: C12H7C13O2 Molecular Weight: 289.5 Chemical Structure: Appearance: Crystalline Powder Odor: weak Phenolic (aromatic) scent Color: white or off-White Specifications: Content: 99.0-100.0%(HPLC) Melting point: 57?癈 Loss on drying: <0.1% Ash: <0.1% Heavy metal (counted by Pb): <10ppm Impurities controlled according to USP29.