Quinoline Yellow WS is a mixture of organic compounds derived from the dye Quinoline Yellow SS (Spirit Soluble). Owing to the presence of sulfonate groups, the WS dyes are water-soluble (WS). It is a mixture of disulfonates (principally), monosulfonates a
Brilliant Sulfaflavine is used as fluorescent tracers. It is used to study the application rate of foliar fungicides when applied to soybeans for the control of rust.