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Sale disodica di fluoresceina (insolubile, contenuto di colorante 50-53%)

Fluorescein disodium salt (insoluble, 50-53% dye content)

SKU 15462696 CAS 518-47-8 C20H10Na2O5 MW 376.28 Disponibile a magazzino

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.

Panoramica

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.

Prezzi e formati disponibili

Formati confezione e prezzi

  • 500 g £62.00 per confezione

I prezzi escludono l'IVA e le spese di spedizione. Disponibili su richiesta confezioni in quantità ingenti e su misura.

Specifiche

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

Immagazzinamento e manipolazione

Property Value
Storage Temperature Ambient
Flash Point 218 C
Shelf Life 24 months
Acidity Neutral

Identificazione

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

Sicurezza e GHS

None

Istruzioni di precauzione

  • 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

Solo per uso di ricerca e industriale

Non adatto all'uso in alimenti, farmaci, prodotti per la casa, né su o negli esseri umani o animali. Consultare il Foglio dati sicurezza prima dell'uso.

Documenti

Sinonimi

Nessun altro nome registrato per questo prodotto.

Domande frequenti

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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