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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:
Molecular Weight:
616.49
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
213-903-1
MDL number:
Beilstein/REAXYS Number:
5374263
Colour Index Number:
20470
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Product Name

Naphthol Blue Black, Dye content ~50 %

form

powder

Quality Level

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



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pictograms

Exclamation mark

signalword

Warning

hcodes

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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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
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
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



Global Trade Item Number

SKUGTIN
N9002-100G04061834118701