Found 1 items, similar to azodiphenyl blue.
English → English (gcide)
Definition: azodiphenyl blue
Nigrosine
\Ni"gro*sine\ (? or ?), n. [From L. niger black.]
(Chem.)
A dark blue dyestuff, of the induline group; -- called also
azodiphenyl blue.
[1913 Webster]