Tropeolin O
Buy Tropeolin O (CAS 547-57-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 25 g. Part of our Analytical Reagents range.
About Tropeolin O
Researchers and plant chemists source Tropeolin O from Zemixal for routine and specialised work. Identity at a glance: CAS 547-57-9, formula C12H9N2NaO5S and molar mass 316.27 g/mol. It is described as beige-brown to orange powder or crystals.
Use cases we see most often
- Biological staining
- Laboratory analysis
Safe handling
No GHS classification is recorded for this item, but handle it with normal laboratory care.
Order it in 25 g, 100 g, 1 kg and 5 kg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Specifications and identifiers
| Product name | Tropeolin O |
|---|---|
| Catalogue number | ZX-000094 |
| CAS number | 547-57-9 |
| IUPAC name | sodium 4-[(2,4-dihydroxyphenyl)diazenyl]benzenesulfonate |
| Molecular formula | C12H9N2NaO5S |
| Molar mass | 316.27 g/mol |
| Exact mass | 316.013 |
| Physical form | Crystalline |
| Appearance | Beige-brown to orange powder or crystals |
| H-bond donors / acceptors | 2 / 7 |
| Topological polar surface area | 131 Ų |
| HS code | 32129090 |
| InChIKey | COEZWFYORILMOM-UHFFFAOYSA-M |
| SMILES | C1=CC(=CC=C1N=NC2=C(C=C(C=C2)O)O)S(=O)(=O)[O-].[Na+] |
| PubChem CID | 2728027 |
| Synonyms | 4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt, Acid Orange 6, Chrysoin, Resorcinol yellow, C.I. Acid Orange 6, Tropaeolin O, Chrysoine, Chrysoine S, Tropaeoline, Resorcin yellow, Chrysoine Extra, Tropaeoline O |
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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 5 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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