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VAQORAStains, Fluorescent Dyes & Histology ReagentsAvailable on request
Allura Red AC
Synonyms: Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonate · Allura Red · Allura red AC dye · Food red 17
CAS No.25956-17-6
FormulaC18H14N2Na2O8S2
Mol. weight496.40
Catalogue No.VQ-000465
PurityOn COA
HSN29332990
Allura Red AC (CAS 25956-17-6) – biological stain. C18H14N2Na2O8S2, MW 496.4. Get a quote from Vaqora Chemicals, COA included, shipped worldwide.
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Allura Red AC
Allura Red AC (CAS 25956-17-6) is a biological stain offered by Vaqora Chemicals. The compound has the formula C18H14N2Na2O8S2, corresponding to a molecular weight of 496.4 g/mol. Systematically, it is named disodium, 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate. Common synonyms include Allura Red and Allura red AC dye.
In its supplied form it is orange to brown to dark red powder or crystals. Key physical data: a melting point of above 300 °C. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.
Key uses span histology and cytology staining, microscopy and clinical laboratories. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.
Vaqora Chemicals supplies Allura Red AC in 5 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Industries
Specifications & identifiers
| Product name | Allura Red AC |
|---|---|
| Catalogue No. | VQ-000465 |
| CAS Number | 25956-17-6 |
| IUPAC name | disodium;6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate |
| Molecular formula | C18H14N2Na2O8S2 |
| Molecular weight | 496.4 g/mol |
| Exact mass | 495.9987 |
| HSN code | 29332990 |
| InChIKey | CEZCCHQBSQPRMU-UHFFFAOYSA-L |
| 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+] |
| PubChem CID | 33258 |
| Physical form | Crystalline |
|---|---|
| Appearance | Orange to brown to dark red powder or crystals |
| Melting point | >300 °C |
| H-bond donors / acceptors | 1 / 10 |
| TPSA | 185 Ų |
| Synonyms | Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonate, Allura Red, Allura red AC dye, Food red 17, Fancy Red, C.I. Food Red 17, Allura Red 40, Japan Red 40, Curry red, Japan Food Red No. 40, FDC Red 40 dye, Red 40 |
Documents
Frequently asked questions
What is the CAS number of Allura Red AC?
The CAS Registry Number of Allura Red AC is 25956-17-6. It is also known as Disodium 6-hydroxy-5-[(2-methoxy-5-methyl-4-sulfophenyl)azo]-2-naphthalenesulfonate, Allura Red, Allura red AC dye.
What is the molecular formula and molecular weight of Allura Red AC?
Allura Red AC has the molecular formula C18H14N2Na2O8S2 and a molecular weight of 496.4 g/mol.
Which grade and pack sizes of Allura Red AC can I order?
We supply Allura Red AC, in 5 g, 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Allura Red AC?
Yes. Every lot of Allura Red AC is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Allura Red AC be shipped internationally?
Yes. We export Allura Red AC worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Allura Red AC
We reply within one business day with price, pack options, lead time and documentation.
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