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Merck

87612

Amaranth

analytical standard

Synonym(s):

Acid Red 27, Azorubin S, FD & C Red Dye No. 2

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About This Item

Empirical Formula (Hill Notation):
C20H11N2Na3O10S3
CAS Number:
Molecular Weight:
604.47
UNSPSC Code:
85151701
NACRES:
NA.24
E Number:
E123
PubChem Substance ID:
EC Number:
213-022-2
MDL number:
Colour Index Number:
16185
Beilstein/REAXYS Number:
4122311
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grade

analytical standard

Quality Level

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

application(s)

cleaning products
cosmetics
food and beverages
personal care

format

neat

SMILES string

[Na+].[Na+].[Na+].Oc1c(N=Nc2ccc(c3ccccc23)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C20H14N2O10S3.3Na/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3

InChI key

WLDHEUZGFKACJH-UHFFFAOYSA-K

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.


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pictograms

Exclamation mark

signalword

Warning

hcodes

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

417.2 °F - closed cup

flash_point_c

214 °C - closed cup



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Guowen Zhang et al.
Food chemistry, 136(2), 442-449 (2012-11-06)
The mechanism of interaction between food dye amaranth and human serum albumin (HSA) in physiological buffer (pH 7.4) was investigated by fluorescence, UV-vis absorption, circular dichroism (CD), and Fourier transform infrared (FT-IR) spectroscopy. Results obtained from analysis of fluorescence spectra
Shekhar B Jadhav et al.
Environmental science and pollution research international, 20(5), 2854-2866 (2012-09-22)
Bacterium Pseudomonas aeruginosa BCH was able to degrade naphthylaminesulfonic azo dye Amaranth in plain distilled water within 6 h at 50 mg l(-1) dye concentration. Studies were carried out to find the optimum physical conditions and which came out to
Vinod K Gupta et al.
Materials science & engineering. C, Materials for biological applications, 32(1), 12-17 (2012-11-28)
The photo-catalytic degradation of an azo dye - Amaranth (AM) - has been investigated in TiO(2)/UV aqueous suspensions. The results obtained from the experiments during H(2)O(2)/TiO(2) addition show that the highest decolorization rate is provided by the combination of (UV+TiO(2)+H(2)O(2)).