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Home/Compounds/CAS 518-47-8
Formula C20H10Na2O5MW 376.3Research-use catalog entryCOA/SDS by request

Sodium Fluorescein

CAS Number: 518-47-8

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Available Options

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Purity
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Loading RDKit molecule structure...
InChIKey: NJDNXYGOVLYJHP-UHFFFAOYSA-LC20H10Na2O5 | MW 376.3

Chemical Absolute Identifiers

CAS Number

518-47-8

PubChem CID

10608

Molecular Formula

C20H10Na2O5

Molecular Weight

376.3 g/mol

Exact Mass

376.032362

InChIKey

NJDNXYGOVLYJHP-UHFFFAOYSA-L

IUPAC Name

disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate

SMILES String

C1=CC=C(C(=C1)C2=C3C=CC(=O)C=C3OC4=C2C=CC(=C4)[O-])C(=O)[O-].[Na+].[Na+]

Physical Properties

Density

1.6 g/cm³

Show more physical data

Vapor Pressure

Estimated value, unit not specified

Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.

Catalog Facts

Structural features

Sodium Fluorescein (CAS 518-47-8) is listed in the Materials Science portfolio, with molecular formula C20H10Na2O5 and molecular weight 376. 30 g/mol.

Sourcing context

Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.

Research use context

Intended for materials chemistry research and formulation screening workflows.

Documentation needs

COA/SDS status, availability, lead time, pack size, and shipment documentation can be confirmed during quotation.

Applications & Classification

Dyes and PigmentsMaterials ScienceResearch intermediateCustom synthesis building blockResearch chemical sourcingCustom synthesis and catalog availability reviewCOA, SDS, pricing, and fulfillment workflow

Safety & Handling

Safety and handling reference content is available through documentation requests.

For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.

Preliminary Safety Reference

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Names & Synonyms / External Identifiers

Chemical Name

Sodium Fluorescein

Names & Synonyms

Fluorescein disodium saltSoluble fluoresceinUraninUranine WSSResorcinol phthalein sodium
Show all synonyms
Uranine YellowAk-FluorFluorescein, solubleKi202Sodium fluoresceinateFluoresceinum natricumD&C Yellow No. 8Ki202(1)Ki202(2)D & C Yellow no. 8disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoateCI 45350CI 45350 (Na salt)3',6'-Dihydroxyspiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, disodium salt
External Identifiers
EC NUMBER: 208-253-0CHEMBL ID: CHEMBL1628233UNII: 93X55PE38XKEGG ID: D02024NCI THESAURUS CODE: C65723RXCUI: 57789Funduscein-25
Experimental Spectrum References
13C NMR Spectra1H NMR SpectraATR-IR SpectraFTIR Spectra
Literature & Patent References
DOI 10.1016/j.ejmech.2023.115309Studies on diketopiperazine and dipeptide analogs as opioid receptor ligands.PMID 37054561Studies on diketopiperazine and dipeptide analogs as opioid receptor ligands.DOI 10.1021/jm301016mToward rational fragment-based lead design without 3D structures.PMID 22889313Toward rational fragment-based lead design without 3D structures.

Documentation & Compliance Facts

Compliance Facts

Shipment review: Required

Documentation available by request

Certificate of Analysis (COA): By request

Supplier Safety Data Sheet (SDS): By request

Purity and pack size confirmation: By request

Availability and lead time review: Confirmed by RFQ

Shipment documentation review: By request

For supplier-issued documentation by request, use the RFQ actions on this page.Review preliminary safety reference

What happens after RFQ

  1. 1We review the CAS identity, quantity, and documentation request.
  2. 2We check sourcing options, supplier availability, COA/SDS, purity, pack size, and lead time.
  3. 3We review destination and shipment documentation needs when applicable.
  4. 4We follow up with a quotation or clarification request.

Text Reference Cues

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Non-public related references

sodium 9,10-dioxoanthracene-2-sulfonateCAS 131-08-8
Anthra(9,1,2-cde)benzo(rst)pentaphene-5,10-dioneCAS 116-71-2
Rose BengalCAS 11121-48-5

Non-public references are shown as text only and do not imply equivalence, availability, or shared use.

Catalog navigation

Related Catalog Entries

Other public CAS pages in this catalog. These links support navigation across additional intermediates and do not imply equivalence, availability, or shared use.

CAS 1002310-00-0Tert-butyl 1-(2-chloro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethylcarbamateCAS 1005174-17-3(E)-3-(2-Propyl-6-(trifluoromethyl)pyridin-3-yl)acrylic acidCAS 1018125-49-92-(3-Cyclopropyl-6-ethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acidCAS 1018128-07-8Isopropyl 4-chloro-2-methylquinoline-6-carboxylateCAS 1018142-22-76-cyclopropyl-1-(2,2-difluoroethyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acidCAS 1018144-00-72-(3-Cyclopropyl-6-isopropyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetic acid

RFQ questions for CAS 518-47-8

What are the key identifiers for Sodium Fluorescein (CAS 518-47-8)?

Sodium Fluorescein is identified by CAS 518-47-8, with molecular formula C20H10Na2O5, molecular weight 376.3, InChIKey NJDNXYGOVLYJHP-UHFFFAOYSA-L.

Can I request a COA for CAS 518-47-8?

Yes. Submit an RFQ and specify COA requirements. Lot-specific COA depends on supplier confirmation.

Can I request supplier SDS for Sodium Fluorescein?

Yes. Supplier SDS can be requested through the RFQ workflow before handling, storage, shipment, or procurement decisions.

Is CAS 518-47-8 available for quotation?

Availability, pack size, lead time, and pricing are confirmed through RFQ.

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