Rhodamine B Extra 540%, uga dikenal Rhodamine 540%, violet dhasar 14, Rhodamine B Extra 500%, Rhodamine B, biasane nggunakake Rhodamine B kanggo fluoresensi, utawa pewarna dupa. Uga kertas dyeing, metu werna pink padhang. Iki misuwur banget ing Vietnam, Taiwan, Malaysia, pewarna kertas Superstitious.