Molekula

Allura Red AC

SKU 90036666 CAS 25956-17-6 C18H16N2O8S2.2Na MW 498.44 Available on enquiry

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Allura Red AC is a synthetic red azo dye widely used as a food coloring agent to provide vibrant hues in various culinary and industrial applications. This product is identified by CAS number 25956-17-6 and carries no signal word. Molekula supplies Allura Red AC from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU: 90036666
CAS Number: 25956-17-6
IUPAC Name: disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
EC Number: 247-368-0
Molecular Formula: C18H16N2O8S2.2Na
Molecular Weight: 498.44
Exact Mass: 495.9987
SMILES: CC1=CC(=C(C=C1S(=O)(=O)[O-])OC)N=NC2=C(C=CC3=C2C=CC(=C3)S(=O)(=O)[O-])O.[Na+].[Na+]
InChIKey: CEZCCHQBSQPRMU-UHFFFAOYSA-L
InChI: 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
PubChem CID: 33258

Synonyms

Allura Red
Allura Red 40
Allura red AC dye
C.I. Food Red 17
Curry red
Fancy Red
FD&C Red No. 40
Food red 17
Food Red No. 40
Japan Red 40

Frequently asked questions

What is Allura Red AC used for?

Allura Red AC is a synthetic red azo dye commonly used as a food coloring agent in various food and beverage applications.

What is the chemical formula and molecular weight of Allura Red AC?

Our catalog lists Allura Red AC as C18H16N2O8S2.2Na with a molecular weight of 498.44. This notation pairs the free dye acid (C18H16N2O8S2) with two sodium atoms but does not remove the two acidic hydrogens that the sodium replaces. Written for the disodium salt itself, the formula is C18H14N2Na2O8S2 and the molecular weight is 496.42 g/mol.

How should Allura Red AC be stored?

It should be stored in a cool, dry place in a tightly sealed container, away from direct light and moisture.

What grade of Allura Red AC is available?

Please contact our sales team to confirm the specific grade and purity levels currently available for this product.

Can Molekula supply Allura Red AC in bulk?

Yes, Molekula can supply Allura Red AC in various quantities, ranging from small research amounts to bulk industrial volumes.

What documentation comes with the order?

All orders are supplied with a Certificate of Analysis (CoA) and a Safety Data Sheet (SDS) to ensure full traceability and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.