Skip to Content
Merck
All Photos(3)

Documents

458848

Sigma-Aldrich

Allura Red AC

Dye content 80 %

Synonym(s):

Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonate

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C18H14N2Na2O8S2
CAS Number:
Molecular Weight:
496.42
Colour Index Number:
16035
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, 80%

color

red to maroon

mp

>300 °C (lit.)

solubility

water: 53.878 g/L at 25 °C (OECD Test Guideline 105 - soluble)

density

0.448 g/cm3 at 20 °C (at 976.8 hPa - OECD Test)

ε (extinction coefficient)

≥20000 at 501-507 nm in water at 0.01 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].COc1cc(c(C)cc1\N=N\c2c(O)ccc3cc(ccc23)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C18H16N2O8S2.2Na/c1-10-7-14(16(28-2)9-17(10)30(25,26)27)19-20-18-13-5-4-12(29(22,23)24)8-11(13)3-6-15(18)21;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2/b20-19+;;

InChI key

CEZCCHQBSQPRMU-LLIZZRELSA-L

Gene Information

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

Allura Red AC is a food azo dye. It is a dark red powder or granules, that is soluble in water and insoluble in ethanol.

Application

Allura Red AC has been used:
  • for the determination of fecal neutral sterols (FNS) in mice
  • to evaluate its developmental toxicity
  • as a coloring reagent for observing the experimental performance of liquid-handling robot

Biochem/physiol Actions

Allura Red AC has been used as a coloring agent and a non-absorbable color marker.

Legal Information

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

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

Visit the Document Library

Study of strawberry flavored milk under pulsed electric field processing
Aguirre DB, et al.
Food Research International, 43 (2010)
An approach to enhance self-compensation capability in paper-based devices for chemical sensing
Lo SJ, et al
Talanta, 145, 29-34 (2015)
Transgenic Tomatoes Expressing the 6F Peptide and Ezetimibe Prevent Diet-induced Increases of Interferon-beta and Cholesterol 25-hydroxylase in Jejunum
Mukherjee P, et al.
Journal of Lipid Research, jlr-M076554 (2017)
Developmental toxicity assessment of common excipients using a stem cell-based in vitro morphogenesis model
Yuan CJ and Marikawa Y
Food And Chemical Toxicology (2017)
Transgenic Tomatoes Expressing the 6F Peptide and Ezetimibe Prevent Diet-induced Increases of Interferon-β and Cholesterol 25-hydroxylase in Jejunum
Mukherjee P, et al.
Journal of Lipid Research (2017)

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