Allura Red AC
Order Allura Red AC (CAS 25956-17-6) online at Zemixal: C18H14N2Na2O8S2, COA and SDS with every lot, worldwide shipping.
About Allura Red AC
Allura Red AC sits in our stains, Fluorescent Dyes & Histology Reagents section and ships worldwide from stock or short lead time. Identity at a glance: CAS 25956-17-6, formula C18H14N2Na2O8S2 and molar mass 496.4 g/mol. Expect orange to brown to dark red powder or crystals.
Where it is used
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Handling and storage
Reported physical data: melting point >300 °C. Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Standard pack sizes are 5 g, 25 g, 100 g and 1 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Applications
Specifications and identifiers
| Product name | Allura Red AC |
|---|---|
| Catalogue number | ZX-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 |
| Molar mass | 496.4 g/mol |
| Exact mass | 495.9987 |
| Physical form | Crystalline |
| Appearance | Orange to brown to dark red powder or crystals |
| Melting point | >300 °C |
| H-bond donors / acceptors | 1 / 10 |
| Topological polar surface area | 185 Ų |
| HS 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 |
| 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 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 5 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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