Fluoresceine sodium, indicator
Order Fluoresceine sodium, indicator (CAS 518-47-8) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.
About Fluoresceine sodium, indicator
Zemixal supplies Fluoresceine sodium, indicator within its laboratory Chemicals & Reagents portfolio. For your records (≥98.5%), the material is defined by CAS 518-47-8, formula C20H10Na2O5 and molar mass 376.3 g/mol. Typical appearance is powder, dark red - orange, passes test.
Where it is used
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Fluorescent labelling
Handling and storage
Classified under GHS with signal word Warning and hazard statements H315 and H319. Read the SDS before first use.
Order it in 25 g, 100 g, 500 g, 1 kg and 4 x 25 kg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS with each order. 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
- Fluorescent labelling
Applications
Specifications and identifiers
| Product name | Fluoresceine sodium, indicator |
|---|---|
| Catalogue number | ZX-000589 |
| CAS number | 518-47-8 |
| IUPAC name | disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate |
| Molecular formula | C20H10Na2O5 |
| Molar mass | 376.3 g/mol |
| Exact mass | 376.0324 |
| Purity / assay | ≥98.5% |
| Physical form | Powder |
| Appearance | Powder, dark red - orange, passes test |
| H-bond donors / acceptors | 0 / 5 |
| Topological polar surface area | 89.5 Ų |
| HS code | 32041211 |
| InChIKey | NJDNXYGOVLYJHP-UHFFFAOYSA-L |
| SMILES | C1=CC=C(C(=C1)C2=C3C=CC(=O)C=C3OC4=C2C=CC(=C4)[O-])C(=O)[O-].[Na+].[Na+] |
| PubChem CID | 10608 |
| Synonyms | Acid Yellow 73, Uranine, Resorcinphthalein, Fluorescein disodium salt, Soluble fluorescein, Sodium fluorescein, Uranin, Uranine WSS, Resorcinol phthalein sodium, Uranine Yellow, Ak-Fluor, Fluorescein, soluble |
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
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364
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 | |
| 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 sodium, indicator
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Other grades with CAS 518-47-8
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- CAS
- 27072-45-3
- Formula
- C42H22N2O10S2
- MW
- 778.8 g/mol
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