name Ortho-phenylphenol ABB: OPP CAS No: 93-43-7 Synonyms: Biphenyl-2-ol~2-Hydroxybiphenyl; 2-Hydroxybiphenyl; 2-Biphenylol; O-HYDROXIDIPHENYL Molecular Formula: C12H10O Molecular Weight: 170.2 Appearance White Crystal /flake Assay(GC) ≥99% /99.5 Melting Point 55-57 Packing 25 Kg