Dear friend, Good day! As for Fast Red Base B & GL, our qualities are superior ... methoxy -4 - nitroaniline (Red Base B,Fast Red B Base,C.I. Azoic diazo component 5,Fast Red Base B,2-Amino-5 ... to the manufacture of rapid fast dyes. Chemical Name: 4-Methyl-2-Nitroaniline(Fast Red GL Base) CAS No.: ... 89-62-3 Appearance:Red-orange crystal Use: mainly used ...