Fluorescein Sodium
Buy Fluorescein Sodium (CAS 518-47-8) from Zemixal: C20H10Na2O5, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-004237.
About Fluorescein Sodium
Researchers and plant chemists source Fluorescein Sodium from Zemixal for routine and specialised work. For your records (IP/BP/USP), the material is defined by CAS 518-47-8, formula C20H10Na2O5 and molar mass 376.3 g/mol. It is handled as a powder.
Typical applications
- Pharmaceutical formulation
- Generic drug development
- Nutraceutical & excipient use
- Diagnostic assays
Safe handling
It carries the GHS signal word Warning (H315 and H319), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 1 kg, 5 kg and 25 kg, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
See every impurity, metabolite and related compound we list for this API.
Fluorescein standardsTypical uses
- Pharmaceutical formulation
- Generic drug development
- Nutraceutical & excipient use
- Diagnostic assays
Applications
Grade guides
Specifications and identifiers
| Product name | Fluorescein Sodium |
|---|---|
| Catalogue number | ZX-004237 |
| 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 |
| Grade | IP/BP/USP |
| Physical form | Powder |
| H-bond donors / acceptors | 0 / 5 |
| Topological polar surface area | 89.5 Ų |
| 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 | Fluorescein disodium salt, Soluble fluorescein, Sodium fluorescein, Uranin, Uranine WSS, Resorcinol phthalein sodium, Uranine Yellow, Ak-Fluor, Fluorescein, soluble, Sodium fluoresceinate, Fluoresceinum natricum, D&C Yellow No. 8 |
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
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request | |
| 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 Fluorescein Sodium
Which CAS number identifies Fluorescein Sodium?
What are the formula and molar mass of Fluorescein Sodium?
How is Fluorescein Sodium used in pharmaceutical QC?
What grade and pack sizes are available for Fluorescein Sodium?
Which documents come with Fluorescein Sodium?
Can Zemixal ship Fluorescein Sodium to my country?
Other grades with CAS 518-47-8
More Fluorescein standards
More in Vitamins, Excipients & Other APIs
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.