Alcian blue 8GX, is any member of a family of polyvalent basic dyes, of which the Alcian blue 8G has been historically the most common and the most reliable member.
Alcian Blue 8GX is used as a heteroglycan stain for neutral, sulfated and phosphated mucopolysaccharides and glycosaminoglycans in tissues such as cartilage and extracellular matrices.