CAS:6049-19-0
Molecular formula:C64H34N4O8
Molecular weight:986.98
Appearance:Black powder. Insoluble in water. It dissolves in dark green after being diluted in sulfuric acid. It is jujube red in alkaline solution and yellow brown in acid solution.
Synopsis: Vat black 29 is mainly used for cotton fiber dyeing and cotton printing. It has good levelness and medium affinity. It is also suitable for dyeing silk, viscose fiber and viscose cotton blended fabrics. The levelness of dyeing vinylon and vinylon cotton is slightly poor. It can also be used for hot melt dyeing of polyester cotton fabrics. It is often combined with reduced blue BCS, reduced yellow GCN, reduced Brown g, reduced Brown GG, reduced Brown BR, etc.
Structural formula: