13146-59-3 1733-89-7 2-Naphthalenol, hydrogen sulfate, potassium salt 2-Naphthol, hydrogen sulfate potassium salt 2-Naphthyl potassium sulfate EINECS 217-072-6 NSC 49738 Potassium 2-naphthyl sulfate Potassium 2-naphthylsulphate