Molekula
Fluorescein-Natriumsalz (unlöslich, 50–53 % Farbstoffgehalt)
Fluorescein disodium salt (insoluble, 50-53% dye content)
Fluorescein disodium salt (insoluble, 50–53% dye content) is a fluorescent dye used in biological staining, diagnostic assays, and tracer studies. It exhibits strong green fluorescence when excited by blue light. Available in powder form with a molecular formula of C20H10Na2O5, molecular weight of 376.28 g/mol, and CAS number 518-47-8. Stable at ambient temperature and suitable for applications requiring high purity and consistent performance. Molekula supplies Fluorescein disodium salt (insoluble, 50–53% dye content) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Übersicht
Fluorescein disodium salt (insoluble, 50–53% dye content) is a fluorescent dye used in biological staining, diagnostic assays, and tracer studies. It exhibits strong green fluorescence when excited by blue light. Available in powder form with a molecular formula of C20H10Na2O5, molecular weight of 376.28 g/mol, and CAS number 518-47-8. Stable at ambient temperature and suitable for applications requiring high purity and consistent performance. Molekula supplies Fluorescein disodium salt (insoluble, 50–53% dye content) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Preise und Verpackungsgrößen
Spezifikationen
| Property | Value |
|---|---|
| Appearance | Red/ dark orange powder |
| Heavy metals | ≤ 40 mg/kg |
| Loss on Drying | ≤ 8% |
| Assay | ≥80.0% |
| Absorption Ratio | 1.20-1.70 ((λmax - 15 nm)/(λmax +15 nm)) |
| Cadmium (Cd) | ≤ 1 mg/kg |
| Mercury (Hg) | ≤ 1 mg/kg |
| Arsenic (As) | ≤ 3 mg/kg |
| Wavelenght of max absorption | 488.0 - 492.0 nm (in distilled water) |
| Lead(Pb) | ≤ 10 mg/kg |
Lagerung und Handhabung
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 218 C |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identifizierung
| Property | Value |
|---|---|
| SKU | 15462696 |
| CAS Number | 518-47-8 |
| Molecular Formula | C20H10Na2O5 |
| Molecular Weight | 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 Listed | Yes |
| HTS Code | 32129000 |
| Tariff Code | 3212900000 |
Sicherheit & GHS
Vorsichtsmaßnahmen
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Nur für Forschungs- und industrielle Zwecke
Dokumente
Sicherheitsdatenblätter (SDS)
Verfügbar in PT, IT, FR, ES, DE, EN.
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PT - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · PT · 192 KB
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IT - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · IT · 188 KB
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FR - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · FR · 191 KB
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ES - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · ES · 190 KB
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DE - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · DE · 192 KB
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EN - (15462696) FLUORESCEIN DISODIUM SALT (INSOLUBLE, 50-53% DYE CONTENT) [518-47-8].pdf
SDS · EN · 188 KB
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 used for?
It is primarily used as a fluorescent tracer in biological and environmental studies, including flow cytometry, microscopy, and water tracing applications.
What is the chemical formula and molecular weight?
The formula is C20H10Na2O5 with a molecular weight of 376.28 g/mol.
How should Fluorescein disodium salt be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available?
This product is available as a technical grade with 50–53% dye content, suitable for research and industrial applications.
Can Molekula supply this in bulk?
Yes, Molekula can supply Fluorescein disodium salt in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS); additional documentation can be provided upon request.
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Teilen Sie uns das Produkt, die Reinheitsstufe und die Menge mit — Molekula antwortet in der Regel innerhalb eines Werktages mit Preis und Lieferzeit.