bromeosin

plural bromeosins

1. countableuncountableA fluorescent dye produced by the reaction of bromine with fluorescein.

   Bromeosin is nitrated in an enamelled pan placed in a water-bath.

   1887, Journal of the Society of Dyers and Colourists - Volumes 3-5, page 45

   2 more examples

   With potash solution, bromeosin gives in the cold an orange-red solution, which on boiling becomes purple-red, violet, and pure blue, with a strong green fluorescence.

   1889, Alfred Henry Allen, Commercial Organic Analysis

   Bromine is chiefly used for the production of bromeosins (q.v.) and for the manufacture of bromides.

   1896, Bertram Blount, A. G. Bloxam, Chemistry of manufacturing processes, page 431