Corallin

2 definitions found

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

  Rosolic \Ro*sol"ic\, a. [Rose + carbolic.] (Chem.)
     Pertaining to, or designating, a complex red dyestuff (called
     rosolic acid) which is analogous to rosaniline and aurin. It
     is produced by oxidizing a mixture of phenol and cresol, as a
     dark red amorphous mass, {C20H16O3}, which forms weak salts
     with bases, and stable ones with acids. Called also {methyl


     aurin}, and, formerly, {corallin}.
     [1913 Webster]

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

  Corallin \Cor"al*lin\, n. [So named in allusion to the color of
     red corallin, fr. L. corallum coral.] (Chem.)
     A yellow coal-tar dyestuff which probably consists chiefly of
     rosolic acid. See {Aurin}, and {Rosolic acid} under
     {Rosolic}.
     [1913 Webster]
  
     {Red corallin}, a red dyestuff which is obtained by treating
        aurin or rosolic acid with ammonia; -- called also
        {p[ae]onin}.
  
     {Yellow corallin}. See {Aurin}.
        [1913 Webster]