M-Clarity™ quality level = MQ200
195243-100G
195243-25G
195243-100GEA
176
EUR
InStock
195243-100G
195243-25G
Noir amido 10B 80% (teneur en colorant), Sigma-Aldrich®
4-Amino-5-hydroxy-3-(4-nitrophénylazo)-6-(phénylazo)naphtalène-2,7-disulfonate de sodium
Naphthol blue black (NBB) is an textile diazo dye, with high photo- and thermal-stability. Photoelectrochemical degradation of this dye yields colorless quinone as end product. Pure grade of NBB is generally used for dyeing foodstuffs, drugs and cosmetics. It is also used as a protein stain in chromatography and electrophoresis and as a biological stain. Commercial grade of NBB is a widely used textile dye. It is used in dyeing wool, nylon, silk and in textile printing. In addition, it is also employed for colouring of soaps, anodised aluminum and casein, wood stains and writing ink preparation.
- Naphthol blue black (NBB) has been used to stain soluble proteins