e/Indanthrone blue

Information
has gloss	eng: Indanthrone blue is an organic substance made from 2-aminoanthraquinone treated with potassium hydroxide in the presence of a potassium salt. It is a pigment that can be used in the following mediums: acrylic, alkalyd, casein, encaustic, fresco, gouache, linseed oil, tempera, pastel, and watercolor painting.
lexicalization	eng: Indanthrone Blue
instance of	(noun) any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water; "bases include oxides and hydroxides of metals and ammonia" alkali, base