Molekula
Fluoresceína
Fluorescein is a fluorescent dye used in biological staining, medical diagnostics, and environmental tracing. It exhibits strong green fluorescence when excited by blue light. Available with CAS number 2321-07-5, molecular formula C20H12O5, and molecular weight 332.31 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Fluorescein from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Resumen
Fluorescein is a fluorescent dye used in biological staining, medical diagnostics, and environmental tracing. It exhibits strong green fluorescence when excited by blue light. Available with CAS number 2321-07-5, molecular formula C20H12O5, and molecular weight 332.31 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Fluorescein from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Especificaciones
| Property | Value |
|---|---|
| Appearance | Orange/ red crystalline powder |
| Loss on Drying | ≤5.0% |
| Specific Absorbance(E1%/1cm) | 2400 - 2600 |
| Wavelength of maximum absorption (0.1N NaOH) | 490 - 492nm |
Almacenamiento y manejo
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Shelf Life | 60 months |
| Acidity | Acid |
Identificación
| Property | Value |
|---|---|
| CAS Number | 2321-07-5 |
| Molecular Formula | C20H12O5 |
| Molecular Weight | 332.31 |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 3212.90.00.50 |
| Tariff Code | 3212900000 |
Seguridad y GHS
-
Health Hazard
GHS07
Declaraciones de peligro
- H319 Causes serious eye irritation
Declaraciones de precaución
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Solo para uso investigativo e industrial
Documentos
Certificado de Análisis (CoA) por lote
Introduzca un número de lote o partida para recuperar el informe de análisis (CoA) correspondiente a esa partida específica. Podemos generar uno a partir de los datos de especificación si no hay ningún PDF disponible.
Precios y tamaños de envase
Sinónimos
No se han registrado nombres alternativos para este producto.
Preguntas frecuentes
What is fluorescein used for?
Fluorescein is commonly used as a fluorescent dye in biological staining, medical imaging, and environmental tracing applications.
What is the chemical formula and molecular weight of fluorescein?
The formula is C20H12O5 with a molecular weight of 332.31 g/mol.
How should fluorescein be stored?
Fluorescein should be stored at 2 to 8 °C, protected from light and moisture.
What grade of fluorescein is available?
Molekula supplies fluorescein in analytical grade, suitable for laboratory and research use.
Can Molekula supply fluorescein in bulk?
Yes, Molekula can supply fluorescein in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a fluorescein order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
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