Alkali Blue

Name:
Alkali Blue
Detailed information:
Class name for a group of pigment dry powders prepared by the phenylation of p-rosaniline or fuchsine, followed by drowning in hydrochloride acid, washing, and sulfonating. Alkali blue on a weight basis has the highest tinting strength of all blue pigments. The presscake may be “flushed” with vehicle to replace the water in the pulp.

Use:

Printing inks, interior paints.