Synonyms: Basic Blue 159;Astra Blue B;Astrazon Blue FBL;Blue FBL;Basic Blue 159 ISO 9001:2015 REACH;105953-73-9 Basic Blue 159CAS: 105953-73-9 Properties and Applications: ,Basic Blue 159 is widely used to remove undesired components from household and industrial wastewaters and also in various industrial manufacturing processes, including the removal of organic compounds, heavy metals, ammonium and phosphate, anionic dyes (reactive blue 221 and acid blue 62), phenol and lignin.StandardAcid ResistanceAlkali ResistanceLight FastnessSoapingWaterFadingStainFadingStainISO1364-55AATCC135-64-55