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Allura Red AC

Name: Allura Red AC
Brand: SIAL

Dye content 80 %

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):

C₁₈H₁₄N₂Na₂O₈S₂

CAS Number:

25956-17-6

Molecular Weight:

496.42

UNSPSC Code:

12171500

NACRES:

NA.47

PubChem Substance ID:

24869338

EC Number:

247-368-0

Colour Index Number:

16035

MDL number:

MFCD00059526

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Properties

form

powder

Quality Segment

200

composition

Dye content, 80%

technique(s)

microbe id | staining: suitable

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

human ... PTPN1(5770), PTPRF(5792)

Description

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.

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Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c