C10H5OHNH2SO3Na

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Eikonogen \Ei*kon"o*gen\, n. [Gr. e'ikw`n, e'iko`nos, image +
     root of gi`gnesqai to be born.] (Photog. & Chem.)
     The sodium salt of a sulphonic acid of a naphthol,
     {C10H5(OH)(NH2)SO3Na} used as a developer.
     [Webster 1913 Suppl.]