Description

Fluorexon is a high-purity, specialized organic compound widely recognized for its utility as a fluorescent indicator and chelating agent. Its primary commercial value lies in its exceptional sensitivity and selectivity for specific metal ions, making it a critical component in analytical chemistry and diagnostic applications. This product is essential for manufacturers and research laboratories in the pharmaceutical, biotechnology, and environmental testing sectors seeking reliable reagents for trace metal analysis and complexometric titrations.

Application

• Complexometric Titrations: Acts as a fluorescent metal indicator, particularly for calcium and other divalent cations, in analytical chemistry procedures.
• Biochemical Research: Used as a sensitive fluorescent probe for studying calcium ion (Ca²⁺) flux and signaling in cellular and molecular biology.
• Diagnostic Kits: Serves as a key reagent in the formulation of clinical diagnostic kits for measuring calcium levels in biological fluids.
• Water Quality Analysis: Employed in environmental monitoring for the detection and quantification of heavy metal ions in water samples.
• Pharmaceutical Analysis: Utilized in quality control laboratories for the assay of metal-containing active pharmaceutical ingredients (APIs) or excipients.
• Industrial Process Control: Applied in monitoring metal ion concentrations in various industrial processes, including food production and chemical manufacturing.

Basic Information

Product Name	Fluorexon
CAS No.	154071-48-4
Molecular Formula	C₃₀H₂₆N₂O₁₃
Molecular Weight	622.53 g/mol
Synonyms	Calcein; Fluorescein Complexone; Fluorescein-1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid; Fluorescein-BAPTA; NSC 113992; 2,7-Bis[bis(carboxymethyl)aminomethyl]fluorescein; 2',7'-Bis-(bis-carboxymethyl-aminomethyl)-fluorescein; 3,6-Bis(dicarboxymethylaminomethyl)fluorescein
EINECS	Contact for details

Quality Control

Our Fluorexon is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes comprehensive analytical testing, including HPLC for purity, spectrophotometric analysis, and functional performance testing as a metal ion indicator. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to prevent degradation.

Specification

Item	Specification
Appearance	Orange to brownish-yellow powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Fluorescence Properties	Conforms to reference
Functional Test (as Ca²⁺ indicator)	Passes test

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