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228451

Sigma-Aldrich

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
Colour Index Number:
18105
EC Number:
241-663-8
MDL number:
MFCD00009690
UNSPSC Code:
12171500
PubChem Substance ID:
24853687

composition

Dye content, 50%

λmax

517 nm

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

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+;;;;

InChI key

NUZJNUDPZLPKAR-CARHPIHDSA-J

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

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

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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
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
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
R van der Linden et al.
Journal of immunological methods, 240(1-2), 185-195 (2000-06-16)
Functional heavy chain immunoglobulins have, so far, only been found in camels and llamas. Antigen-specific fragments of these heavy chain IgGs (V(HH)) are of great interest in biotechnology because they are very stable and can be produced at high level
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