Product Identification
【Product Name】4-Hydroxy-1-naphthalenesulfonic acid 1-萘酚-4-磺酸
【Synonyms】1,4-Oxy Acid
【CAS】84-87-7
【Formula】C10H8O4S
【Molecular Weight】224.24
【EINECS】201-568-4
【Merck】12,6478
【Beilstein/Gmelin】2214801
【Beilstein Reference】4-11-00-00614

Physical and Chemical Properties
【Solubility in water】Very soluble
【Melting Point】170
【Boiling Point】427
【Density】1.55 g/cm3
【pKa/pKb】0.73 (pKa)
【Partition Coefficient】-.44
【Usage】Preparation of azo dyes.