Basic Blue 9 (Methylene Blue 2B)

Features: 
1) Chemical name: 3, 7-Bis(dimethylamino) phenothiazin-5-ium chloride
2) Solution concentration: 3.5mg /L
3) Solvent: water
4) lmax: 661mm
5) Spectral range: 900 - 190mm
6) Slit width: 2mm
7) Application: used for the dyeing of leather, paper, feather, grass, wood and 
    bamboo