MilliporeSigma
All Photos(3)

458848

Sigma-Aldrich

Allura Red AC

Dye content 80 %

Synonym(s):
Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonate
Empirical Formula (Hill Notation):
C18H14N2Na2O8S2
CAS Number:
Molecular Weight:
496.42
Colour Index Number:
16035
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

composition

Dye content, 80%

mp

>300 °C (lit.)

λmax

504 nm

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

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Allura Red AC Dye content 80 %

Sigma-Aldrich

458848

Allura Red AC

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38213

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Alizarin Red S certified by the Biological Stain Commission

Sigma-Aldrich

A5533

Alizarin Red S

Alcian Blue 8GX BioReagent, suitable for detection of glycoproteins

Sigma-Aldrich

A9186

Alcian Blue 8GX

form

powder

form

-

form

powder

form

powder

composition

Dye content, 80%

composition

-

composition

-

composition

Dye content, ~50%

mp

>300 °C (lit.)

mp

>300 °C (lit.)

mp

-

mp

-

λmax

504 nm

λmax

-

λmax

-

λmax

-

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

cleaning products
cosmetics
food and beverages
personal care

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

storage temp.

room temp

storage temp.

-

storage temp.

room temp

storage temp.

-

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

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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