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Merck
CN

228451

Cibacron Brilliant Red 3B-A

Dye content 50 %

Synonym(s):

Reactive Red 4

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About This Item

Empirical Formula (Hill Notation):
C32H24ClN8Na4O14S4
CAS Number:
17681-50-4
Molecular Weight:
1000.25
PubChem Substance ID:
24853687
UNSPSC Code:
12171500
Colour Index Number:
18105
EC Number:
241-663-8
MDL number:
MFCD00009690

Key Documents

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InChI key

NUZJNUDPZLPKAR-CARHPIHDSA-J

InChI

1S/C32H23ClN8O14S4.4Na/c33-30-37-31(34-18-6-9-20(10-7-18)56(44,45)46)39-32(38-30)35-19-8-11-24(58(50,51)52)22(14-19)40-41-27-25(59(53,54)55)13-17-12-21(57(47,48)49)15-23(26(17)28(27)42)36-29(43)16-4-2-1-3-5-16;;;;/h1-15,42H,(H,36,43)(H,44,45,46)(H,47,48,49)(H,50,51,52)(H,53,54,55)(H2,34,35,37,38,39);;;;/q;4*+1/p-4/b41-40+;;;;

SMILES string

[Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2cc(Nc3nc(Cl)nc(Nc4ccc(cc4)S([O-])(=O)=O)n3)ccc2S([O-])(=O)=O)c(cc5cc(cc(NC(=O)c6ccccc6)c15)S([O-])(=O)=O)S([O-])(=O)=O

composition

Dye content, 50%

λmax

517 nm

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
04006PQ
02720CW
01417PN
00719TW

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Chia-Hung Liu et al.
Water research, 41(7), 1491-1500 (2007-03-03)
Two commercial anion exchange membranes, strong basic (SB6407) and weak basic (DE81), were evaluated for the removal of anionic reactive dyes, Cibacron blue 3GA (three sulfonic acid groups per dye molecule) and Cibacron red 3BA (four sulfonic acid groups per
Asaf Mendelovits et al.
Applied spectroscopy, 66(8), 979-982 (2012-07-26)
The increasing use of chitosan encourages the search for fast and sensitive methods to quantify its concentrations in water solutions. Recent colorimetric studies have suggested quantification by binding chitosan to Cibacron Brilliant Red 3B-A (BR) dye and measuring the absorbance
Christian Wischke et al.
Carbohydrate research, 341(18), 2978-2979 (2006-11-08)
Chitosan is a topic of current research in pharmaceutics, medicine, biotechnology, and beyond. This note describes an improved quantification of chitosan using the dye Cibacron Brilliant Red 3B-A. The method is sensitive and of a good reproducibility and linearity in
J P Gage et al.
Australian dental journal, 36(2), 87-93 (1991-04-01)
To assess the width of the gaps that may occur in resin restorations bonded to dentine, buccal and lingual cavities were prepared in 18 caries- and restoration-free extracted molar teeth. All teeth were restored with composite resin. Nine of the
R N Puri et al.
Archives of biochemistry and biophysics, 303(2), 288-295 (1993-06-01)
Procion or Cibacron blue dyes, containing polynuclear aromatic rings and mono- and dichlorotriazine nuclei, immobilized on dextran matrices, have been used for over a decade to purify diverse groups of enzymes by dye-ligand chromatography. Comparatively less attention has been paid
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