Molekula
Fluorescein-Dinatriumsalz (löslich, 40–50 % Farbstoffgehalt)
Fluorescein disodium salt (soluble, 40-50% dye content)
ISO 9001:2015 & ISO 14001:2015 zertifiziert · Lieferant für Laboratorien und Industrie seit 2000 · Analysezertifikat (Certificate of Analysis, CoA) für jede Charge
Fluorescein disodium salt is a bright yellow-orange fluorescent dye widely used in biological staining, flow cytometry, tracer studies, and ophthalmology for diagnostic imaging. It dissolves easily in water and emits green fluorescence under UV or blue light, making it ideal for marking fluids, detecting leaks, and research applications. This product has a CAS number of 518-47-8, a molecular formula of C20H10Na2O5, and a molecular weight of 376.28 g/mol. It contains 40–50% dye content, requires no special storage conditions (ambient), and carries no hazard classification. Molekula supplies Fluorescein disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Fluorescein disodium salt is a bright yellow-orange fluorescent dye widely used in biological staining, flow cytometry, tracer studies, and ophthalmology for diagnostic imaging. It dissolves easily in water and emits green fluorescence under UV or blue light, making it ideal for marking fluids, detecting leaks, and research applications. This product has a CAS number of 518-47-8, a molecular formula of C20H10Na2O5, and a molecular weight of 376.28 g/mol. It contains 40–50% dye content, requires no special storage conditions (ambient), and carries no hazard classification. Molekula supplies Fluorescein disodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | Orange to Brown Powder |
| Solubility | Soluble in Water |
| Moisture Content | 00.000 - 10.000 %(m) |
| Wavelength of Max. Absorption | 488.000 - 491.000 nm |
| Specific absorption (E 1% in 10 mm cell) at λ max. | 840.000 - 1000.000 |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Lagertemperatur | Ambient |
| Flashpunkt | 218 C |
| Säuregehalt | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 90025175 |
| CAS-Nummer | 518-47-8 |
| Molekülformel | C20H10Na2O5 |
| Molekulargewicht | 376.28 |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[Na+].[Na+] |
| REACH-Code | Y113 |
| TSCA aufgeführt | Ja |
| HTS-Code | 32129000 |
| Zolltarifnummer | 3212900000 |
Sicherheit & GHS
Vorsichtsmaßnahmen
- P264 Nach Gebrauch … gründlich waschen.
- P280 Schutzhandschuhe / Schutzkleidung / Augenschutz / Gesichtsschutz tragen.
- P308+313 Bei Exposition oder falls betroffen: Ärztlichen Rat einholen / ärztliche Hilfe hinzuziehen.
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in English, French, German, Italian, Portuguese, Spanish.
Zertifikat der Analyse (CoA) nach Charge
Geben Sie eine Chargen- oder Seriennummer ein, um die CoA für diese spezifische Charge abzurufen. Wir können eine erstellen, wenn keine PDF-Datei vorliegt, basierend auf den Spezifikationsdaten.
Synonyme
Es wurden keine alternativen Namen für dieses Produkt aufgezeichnet.
Häufig gestellte Fragen
What is fluorescein disodium salt commonly used for?
It is primarily used as a fluorescent dye in biological staining, ophthalmology (e.g., fluorescein angiography), and as a tracer in environmental and industrial applications.
What is the chemical formula and molecular weight of fluorescein disodium salt?
The formula is **C₂₀H₁₀Na₂O₅**, and the molecular weight is **376.28 g/mol** (for the 100% dye content form).
How should fluorescein disodium salt be stored?
Store at **ambient temperature** in a tightly sealed container, protected from light and moisture to maintain stability.
What grades or purities of fluorescein disodium salt does Molekula supply?
Molekula supplies it with a **40–50% dye content** (soluble grade), suitable for most industrial and research applications.
Can Molekula supply fluorescein disodium salt in bulk quantities?
Yes, we offer bulk packaging options—please contact our sales team for custom quantities and pricing.
What documentation comes with an order of fluorescein disodium salt?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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