Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

N9002

Sigma-Aldrich

Naphthol Blue Black

Dye content ~50 %, Powder

Synonym(s):

Acid Black 1, Amido Black 10B, Buffalo Black NBR

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

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:
24897883
NACRES:
NA.47

Product Name

Naphthol Blue Black, Dye content ~50 %

form

powder

Quality Level

200

composition

Dye content, ~50%

solubility

water: 1 mg/mL

λmax

617-620 nm in water

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

Looking for similar products? Visit Product Comparison Guide

Related Categories

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H317

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
129K2563
030H0125V
030H0124
108F0652
014C1060

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

M B Kasiri et al.
Environmental technology, 33(10-12), 1417-1425 (2012-08-04)
The effects of different operational parameters on the decolorization of a dye solution containing C.I. Acid Blue 92 (AB92) or C.I. Acid Black 1 (AB1) by the UV/H2O2 process were optimized using response surface methodology (RSM). The reaction time, dye
Amit Parikh et al.
Biotechnology letters, 27(5), 323-326 (2005-04-19)
Cyanobacterial cultures isolated from sites polluted by industrial textile effluents were screened for their ability to decolorize cyclic azo dyes. Gloeocapsa pleurocapsoides and Phormidium ceylanicum decolorized Acid Red 97 and FF Sky Blue dyes by more than 80% after 26
Balakrishnan Priya et al.
Bioresource technology, 102(14), 7218-7223 (2011-05-17)
Ten different strains of marine cyanobacteria were tested for their ability to decolourise and degrade a recalcitrant diazo dye, C.I. Acid Black 1. Of them, Oscillatoria curvicepsBDU92191 was able to grow up to a tested concentration of 500 mG L(-1).
Paul Roach et al.
The journal of physical chemistry. B, 110(41), 20572-20579 (2006-10-13)
Protein adsorption is of major and widespread interest, being useful in the fundamental understanding of biological processes at interfaces through to the development of new materials. A number of techniques are commonly used to study protein adhesion, but few are
Alok Mittal et al.
Environmental science and pollution research international, 20(1), 260-269 (2012-03-13)
PURPOSE AND AIM: Amido Black 10B is an azo dye with very high toxicity. It is now established that the dye damages the reparatory system of humans and also causes skin and eye irritations. It is therefore considered worthwhile to
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service