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Merck
CN

N9002

Naphthol Blue Black

Dye content ~50 %, Powder

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C22H14N6Na2O9S2
CAS Number:
1064-48-8
Molecular Weight:
616.49
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24897883
EC Number:
213-903-1
MDL number:
MFCD00004017
Colour Index Number:
20470
Beilstein/REAXYS Number:
5374263

Key Documents

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Product Name

Naphthol Blue Black, Dye content ~50 %

InChI key

AOMZHDJXSYHPKS-DROYEMJCSA-L

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+;;

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

form

powder

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

Quality Level

200

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Related Categories

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H317

Hazard Classifications

Skin Sens. 1B

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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

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Mary-Ann Glasier et al.
Current eye research, 33(8), 631-640 (2008-08-13)
To compare two variations of a membrane-based protein assay utilizing Amido black (AB) detection with a commercially available 3-(4-carboxybenzoyl) quinoline-2-carboxaldehyde (CBQCA) assay for use in the quantitation of individual tear proteins, pooled human tear proteins, and protein extracted from ex
Gyorgy Csako
Methods in molecular biology (Clifton, N.J.), 869, 339-359 (2012-05-16)
Immunoelectrophoresis (IEP) was the first practical method that combined electrophoresis and -immunoprecipitation for identifying and characterizing proteins within complex mixtures. Over the years, IEP has been extended to include a variety of techniques and, as a general name, has been
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
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
Shih-Hsien Chang et al.
Journal of hazardous materials, 166(2-3), 1279-1288 (2009-01-23)
Degradation of Remazol Brilliant Blue R (anthraquinone dye) and Acid Black 1 (azo dye) by Fenton oxidation and low-cost Fe(0)/air process was compared. The doses of Fenton reagent needed for decolorization of Remazol Brilliant Blue R was much higher than
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