Description

4',5'-Dibromofluorescein is a halogenated derivative of fluorescein, a key xanthene dye. This compound is valued for its role as a versatile intermediate in the synthesis of more complex fluorescent probes and biological stains. It is primarily utilized by manufacturers and researchers in the life sciences, analytical chemistry, and specialty chemical sectors. Its specific bromination pattern makes it a crucial precursor for developing sensitive detection reagents.

Application

• Fluorescent Probe Synthesis: A key intermediate for creating specialized fluorescent dyes and tags used in bioimaging and diagnostics.
• Biological Staining: Used in the preparation of stains for microscopy and histology to visualize cellular structures.
• Analytical Reagent: Serves as a precursor for reagents used in spectrophotometric and fluorometric assays.
• Chemical Intermediate: Employed in organic synthesis for the production of more complex xanthene-based molecules.
• Research & Development: Utilized in academic and industrial R&D for photochemical studies and new material development.

Basic Information

Product Name	4',5'-Dibromofluorescein
CAS No.	596-03-2
Molecular Formula	C20H10Br2O5
Molecular Weight	490.10 g/mol
Synonyms	2',7'-Dibromofluorescein; 4,5-Dibromofluorescein; Dibromofluorescein; Solvent Red 72; C.I. 45370:2; 9-(o-Carboxyphenyl)-2,7-dibromo-6-hydroxy-3H-xanthen-3-one; 3',6'-Dihydroxy-4',5'-dibromospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
EINECS	209-879-1

Quality Control

Our 4',5'-Dibromofluorescein is produced and tested under a rigorous quality management system. Each batch is analyzed to ensure high purity and consistency, with specifications meeting the demands of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.