Skip to Content
Merck
All Photos(4)

Key Documents

A1016

Sigma-Aldrich

Amaranth

Dye content 85-95 %, Powder

Synonym(s):

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

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C20H11N2Na3O10S3
CAS Number:
Molecular Weight:
604.47
Colour Index Number:
16185
Beilstein:
4122311
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

product name

Amaranth, Dye content 85-95 %

form

powder

Quality Level

composition

Dye content, 85-95%

color

brown to red-brown

pH

9.65 (28 °C, - OECD Test Guideline 122 - alkaline)

mp

>350 °C (at 966.25 hPa)

solubility

H2O: 10 mg/mL

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

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

Looking for similar products? Visit Product Comparison Guide

Application

Amaranth has been used as a dye for the microscopic visualization of crop contraction in blowflies. It has been used in the electrophoresis gel to track the migration front of the electrode buffer.

Biochem/physiol Actions

Amaranth is an azo dye which is mainly used in the the beverage and food industries. It is also considered as an endocrine disruptor.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

417.2 °F - closed cup

Flash Point(C)

214 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Electrochemical and sonoelectrochemical processes applied to amaranth dye degradation.
Steter JR, et al.
Chemosphere, 117, 200-200 (2014)
Genotypic and Phenotypic Comparisons of Chromosomal Types within an Indigenous Soil Population of Rhizobium leguminosarum bv. trifolii.
Leung K, et al.
Applied and Environmental Microbiology, 60, 416-416 (1994)
Effect of serotonin and calcium on the supercontractile muscles of the adult blowfly crop.
Liscia A, et al.
Journal of Insect Physiology, 58, 356-356 (2012)
Purnachandar Dachipally et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 46(8), 887-897 (2011-07-01)
The ozone facilitated oxidation mechanism of water soluble azo anionic dye, amaranth (Am) was investigated monitoring the depletion kinetics of the dye spectrometrically at 521 nm. The oxidation kinetics of the dye by ozone was studied under semi-batch conditions, by
Xiaojuan Liu et al.
ACS applied materials & interfaces, 3(8), 2944-2952 (2011-07-07)
Surface-enhanced Raman spectroscopy (SERS) as a powerful analytical tool has gained extensive attention. Despite of many efforts in the design of SERS substrates, it remains a grand challenge for creating a general substrate that can detect diverse target analytes. Herein

Protocols

Separation of Tartrazine; Amaranth; Indigo carmine; New Coccine; Sunset Yellow FCF; Allura Red AC; Fast Green FCF; Erioglaucine disodium salt; Erythrosin B sodium salt; Phloxine B; Rose bengal

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service