Correct spelling for the English word "solphinol" is [sˈɒlfɪnˌɒl], [sˈɒlfɪnˌɒl], [s_ˈɒ_l_f_ɪ_n_ˌɒ_l] (IPA phonetic alphabet).
Trade name of a white crystalline powder said to be composed of boric acid, borax, and various sulphites, recommended as an external antiseptic.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.