Fat Red 7B
Fat Red 7B (CAS 6368-72-5) supplier Zemixal: C24H21N5, COA and SDS with every lot, worldwide shipping. Ships from India to 120+ countries.
About Fat Red 7B
Fat Red 7B is part of the Zemixal stains, Fluorescent Dyes & Histology Reagents range. Key data: CAS 6368-72-5, formula C24H21N5 and molar mass 379.5 g/mol. It is described as orange to brown to dark brown powder or crystals.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Pharmaceutical synthesis
Handling and storage
Reported physical data: melting point 140 °C. It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 10 g and 50 g, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Pharmaceutical synthesis
Applications
Specifications and identifiers
| Product name | Fat Red 7B |
|---|---|
| Catalogue number | ZX-000584 |
| CAS number | 6368-72-5 |
| IUPAC name | N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine |
| Molecular formula | C24H21N5 |
| Molar mass | 379.5 g/mol |
| Exact mass | 379.1797 |
| Physical form | Crystalline |
| Appearance | Orange to brown to dark brown powder or crystals |
| Melting point | 140 °C |
| XLogP3 | 7.1 |
| H-bond donors / acceptors | 1 / 5 |
| Topological polar surface area | 61.5 Ų |
| HS code | 29420090 |
| InChIKey | VKWNTWQXVLKCSG-UHFFFAOYSA-N |
| SMILES | CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4 |
| PubChem CID | 61396 |
| Synonyms | Fat red bluish, Solvent Red 19, Sudan Red 7B, Typogen Carmine, Ceres Red 7B, Hexatype Carmine B, Organol Bordeaux B, C.I. Solvent Red 19, Sudanrot 7B, Lacquer Red V3B, Sudan 7B, Solvent Red 019 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 g | Quoted on request | |
| 50 g | 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 Fat Red 7B
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More in Stains, Fluorescent Dyes & Histology Reagents
- CAS
- 27072-45-3
- Formula
- C42H22N2O10S2
- MW
- 778.8 g/mol
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