white crystal powder , Chemical Name: 2,4,4'-trichloro-2'-hydroxy diphenyl ether, 5-Chloro-2-(2,4-dichlorophenoxy) phenol CAS Number: 3380-34-5 Molecular Formula: C12H7Cl3O2 Moecular Weight: 289.5Chemical structure:  Appearance: white crystal powder Odor: weak Phenolic (aromic) scent Appearance: Crystalline Powder Color: white or Off-White fragrant weak Phenolic(aromatic) Specifications: Content: 99.0-100.0%(HPLC) Melting point: 57±1°C Loss on drying: <0.1% Ash: <0.1%Heavy metal (counted by Pb): <10ppm Impurities controlled according to USP32. 

Triclosan