Molekula
Fluorescéine disodique (soluble, teneur en colorant 40-50 %)
Fluorescein disodium salt (soluble, 40-50% dye content)
Certifié ISO 9001:2015 & ISO 14001:2015 · Fournisseur pour laboratoires et industries depuis 2000 · Certificat d’Analyse (CoA) pour chaque lot
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.
Aperçu
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.
Prix et formats de conditionnement
Prix sur demande — emballages disponibles de la recherche à la quantité industrielle.
Les prix ne comprennent pas la TVA, les taxes sur les ventes ni les frais d'expédition. Des emballages en grande quantité et sur mesure sont disponibles sur demande.
Spécifications
| 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 |
Stockage et manipulation
| Property | Value |
|---|---|
| Température de stockage | Ambient |
| Point d'inflammation | 218 C |
| Acidité | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90025175 |
| Numéro CAS | 518-47-8 |
| Formule moléculaire | C20H10Na2O5 |
| Masse moléculaire | 376.28 |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[Na+].[Na+] |
| Code REACH | Y113 |
| Inscrit au TSCA | Oui |
| Code HTS | 32129000 |
| Code tarifaire | 3212900000 |
Sécurité et GHS
Déclarations de précaution
- P264 Se laver ... soigneusement après manipulation.
- P280 Porter des gants de protection/des vêtements de protection/un équipement de protection des yeux/du visage/une protection auditive/...
- P308+313 EN CAS d'exposition prouvée ou suspectée : consulter un médecin.
Documents
Fiches de données de sécurité (FDS)
Disponible en English, French, German, Italian, Portuguese, Spanish.
Certificat d'analyse (CoA) par lot
Saisissez un numéro de lot ou de série pour récupérer le certificat d'analyse correspondant à ce lot spécifique. Nous pouvons en générer un à partir des données de spécification si aucun PDF n'est disponible.
Synonymes
Aucun autre nom enregistré pour ce produit.
Questions fréquentes
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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