there are limited procedures available for the identification of amino acids. An amino acid consists of a basic amino group (−NH2), an acidic carboxyl group (−COOH), and an organic R group (or side chain) unique to each amino acid. There are no dyes specifically designed to stain just the -NH2 group. Industrial dyes such as the Reactive and Brilliant dye series are typically used for industrial dyeing and may not specifically react to amino groups.
306452
Reactive Black 5
Dye content ≥50 %
Synonym(s):
Remazol Black B
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About This Item
Empirical Formula (Hill Notation):
C26H21N5Na4O19S6
CAS Number:
Molecular Weight:
991.82
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47
Pricing and availability is not currently available.
Recommended Products
form
powder
Quality Level
composition
Dye content, ≥50%
technique(s)
microbe id | staining: suitable
mp
>300 °C (lit.)
density
1.21 g/cm3 at 20 °C
λmax
597 nm
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
[Na+].[Na+].[Na+].[Na+].Nc1c(N=Nc2ccc(cc2)S(=O)(=O)CCOS([O-])(=O)=O)c(cc3cc(c(N=Nc4ccc(cc4)S(=O)(=O)CCOS([O-])(=O)=O)c(O)c13)S([O-])(=O)=O)S([O-])(=O)=O
InChI
1S/C26H25N5O19S6.4Na/c27-23-22-15(13-20(53(37,38)39)24(23)30-28-16-1-5-18(6-2-16)51(33,34)11-9-49-55(43,44)45)14-21(54(40,41)42)25(26(22)32)31-29-17-3-7-19(8-4-17)52(35,36)12-10-50-56(46,47)48;;;;/h1-8,13-14,32H,9-12,27H2,(H,37,38,39)(H,40,41,42)(H,43,44,45)(H,46,47,48);;;;/q;4*+1/p-4
InChI key
HFIYIRIMGZMCPC-UHFFFAOYSA-J
General description
Reactive Black 5 belongs to the class of textile azo dyes. It can be biodegraded by the laccase enzyme in Ganoderma lucidum.[1]
Application
Reactive Black 5 (RB5) has been:
- used in an optimization study on the photocatalytic degradation of RB5 dye in synthetic greywater effluent (i.e. aqueous RB5 in distilled water), in order to understand the effects of different photoreactor parameters on the degradation kinetics.[4]
- as a textile dye to investigate the anaerobic reduction in upflow stirred packed-bed reactors (USPBRs) with biological activated carbon (BAC) system[5]
- used in the performance evaluation of dye removal forlarge molecule substance[6]
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class Code
11 - 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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A Pérez et al.
Water environment research : a research publication of the Water Environment Federation, 85(4), 291-300 (2013-05-24)
In this research, ozonation of Reactive Black 5 (RB5) and Direct Red 28 (DR28) under the presence of Na2SO4 and Na2CO3 used as textile additives was investigated. The effect of these salts on discoloration, degradation dynamics, and the composition of
Irina Stambolova et al.
Journal of photochemistry and photobiology. B, Biology, 117, 19-26 (2012-09-29)
Spray pyrolysis procedure for preparation of nanostructured TiO(2) films with higher photocatalytic effectiveness and longer exploitation life is presented in this study. Thin films of active nanocrystalline TiO(2) were obtained from titanium isopropoxide, stabilized with acetyl acetone and characterized by
Tailored activated carbons as catalysts in biodecolourisation of textile azo dyes
Mezohegyi G, et al.
Applied Catalysis. B, Environmental, 94(1-2), 179-185 (2010)
O Iglesias et al.
Environmental science and pollution research international, 20(4), 2172-2183 (2012-06-27)
The aim of this work was to improve the ability of the electro-Fenton process using Fe alginate gel beads for the remediation of wastewater contaminated with synthetic dyes and using a model diazo dye such as Reactive Black 5 (RB5).
Deniz Uçar et al.
Water environment research : a research publication of the Water Environment Federation, 84(4), 323-327 (2012-07-28)
This study investigated the removal of Reactive Black 5 (RB5) textile dye from aqueous solutions using cotton (Gossypium hirsutum) seed shell (CSS) as low cost adsorbents. The data were described according to the Freundlich and Langmuir isotherm models. Of these
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