Eriochrome black T, GR indicator
Buy Eriochrome black T, GR indicator (CAS 1787-61-7) from Zemixal: C20H12N3NaO7S, COA and SDS with every lot, worldwide shipping.
About Eriochrome black T, GR indicator
Researchers and plant chemists source Eriochrome black T, GR indicator from Zemixal for routine and specialised work. For your records (AR), the material is defined by CAS 1787-61-7, formula C20H12N3NaO7S and molar mass 461.4 g/mol. Expect black powder.
Use cases we see most often
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Handling and storage
Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Order it in 25 g, 100 g, 500 g, 1 kg and 5 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
Applications
Grade guides
Specifications and identifiers
| Product name | Eriochrome black T, GR indicator |
|---|---|
| Catalogue number | ZX-000562 |
| CAS number | 1787-61-7 |
| IUPAC name | sodium 3-hydroxy-4-[(1-hydroxynaphthalen-2-yl)diazenyl]-7-nitronaphthalene-1-sulfonate |
| Molecular formula | C20H12N3NaO7S |
| Molar mass | 461.4 g/mol |
| Exact mass | 461.0294 |
| Grade | AR |
| Physical form | Powder |
| Appearance | Black powder |
| H-bond donors / acceptors | 2 / 9 |
| Topological polar surface area | 177 Ų |
| HS code | 32049000 |
| InChIKey | AMMWFYKTZVIRFN-UHFFFAOYSA-M |
| SMILES | C1=CC=C2C(=C1)C=CC(=C2O)N=NC3=C4C=CC(=CC4=C(C=C3O)S(=O)(=O)[O-])[N+](=O)[O-].[Na+] |
| PubChem CID | 135465089 |
| Synonyms | Mordant Black 11, C.I. Mordant Black 11, monosodium salt, Solochrome Black T, Fast Chrome Black T, Hispacrom Black T, Magracrom Black A, Diacromo Black PA, Acid Chrome Black A, Solochrome Black, Potting Black C, Chrome Black PB, Chrome Black TK |
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 | |
| 500 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.
Questions about Eriochrome black T, GR indicator
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Other grades with CAS 1787-61-7
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