Fluoresceine, indicator
Fluoresceine, indicator (CAS 2321-07-5) supplier Zemixal: C20H12O5, COA and SDS with every lot, worldwide shipping. Packs from 25 g.
About Fluoresceine, indicator
Fluoresceine, indicator is part of the Zemixal stains, Fluorescent Dyes & Histology Reagents range. For your records, the material is defined by CAS 2321-07-5, formula C20H12O5 and molar mass 332.3 g/mol. Typical appearance is powder.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Handling and storage
Reported physical data: melting point 320 °C. Classified under GHS with signal word Warning and hazard statements H302 and H319. Read the SDS before first use.
Available as 25 g, 100 g, 500 g, 1 kg and 5 kg. Larger or split packs can be arranged. Every shipment includes 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
- Biological staining
Applications
Specifications and identifiers
| Product name | Fluoresceine, indicator |
|---|---|
| Catalogue number | ZX-000590 |
| CAS number | 2321-07-5 |
| IUPAC name | 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one |
| Molecular formula | C20H12O5 |
| Molar mass | 332.3 g/mol |
| Exact mass | 332.0685 |
| Physical form | Powder |
| Appearance | Powder |
| Melting point | 320 °C |
| XLogP3 | 3.4 |
| H-bond donors / acceptors | 2 / 5 |
| Topological polar surface area | 76 Ų |
| HS code | 32049000 |
| InChIKey | GNBHRKFJIUUOQI-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O |
| PubChem CID | 16850 |
| Synonyms | Resorcinolphthalein, solvent yellow 94, D & C yellow no. 7, angiofluor, Japan yellow 201, soap yellow, fluorescein, Yellow fluorescein, Fluorescein acid, 3,6-Fluorandiol, D&C Yellow No. 7, 3',6'-Dihydroxyfluoran |
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
- H319Causes serious eye irritation
Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, 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
| 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 | |
| 4 x 25 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 Fluoresceine, indicator
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