195243

Naphthol Blue Black

Dye content 80 %

• Synonym(s): Acid Black 1, Amido Black 10B, Buffalo Black NBR
• Empirical Formula (Hill Notation): C₂₂H₁₄N₆Na₂O₉S₂
• CAS Number: 1064-48-8
• Molecular Weight: 616.49
• Colour Index Number: 20470
• Beilstein: 5374263
• EC Number: 213-903-1
• MDL number: MFCD00004017
• UNSPSC Code: 12171500
• PubChem Substance ID: 24851681
• NACRES: NA.47

Properties

• form: powder
• Quality Level: 200
• composition: Dye content, 80%
• solubility: water: 1 mg/mL, opaque, blue to very deep blue
• λmax: 618 nm
• application(s): diagnostic assay manufacturing; hematology; histology
• storage temp.: room temp
• SMILES string: [Na+].[Na+].Nc1c(\N=N\c2ccc(cc2)[N+]([O-])=O)c(cc3cc(c(\N=N\c4ccccc4)c(O)c13)S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C22H16N6O9S2.2Na/c23-19-18-12(11-17(39(35,36)37)21(22(18)29)27-24-13-4-2-1-3-5-13)10-16(38(32,33)34)20(19)26-25-14-6-8-15(9-7-14)28(30)31;;/h1-11,29H,23H2,(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b26-25+,27-24+;;
• InChI key: AOMZHDJXSYHPKS-DROYEMJCSA-L

Description

General description

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 coloring of soaps, anodized aluminum and casein, wood stains and writing ink preparation.

Application

Naphthol blue black (NBB) has been used to stain soluble proteins.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H317
• Precautionary Statements: P261 - P272 - P280 - P302 + P352 - P333 + P313 - P362 + P364
• Hazard Classifications: Skin Sens. 1B
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves