Description

Tetrachlorofluorescein is a halogenated derivative of fluorescein, widely recognized for its utility as a fluorescent tracer and dye intermediate. Its modified structure offers distinct spectral properties and enhanced stability compared to its parent compound, making it valuable for specialized applications. This product is essential for manufacturers and researchers in the life sciences, analytical chemistry, and industrial dye sectors seeking a reliable, high-purity fluorescent marker.

Application

• Fluorescent Tracer and Staining Agent: Used in biological and histological staining protocols.
• Dye Intermediate: Serves as a key precursor in the synthesis of more complex fluorescent dyes and pigments.
• Analytical Chemistry Reagent: Employed as a fluorescent probe or indicator in various detection and assay systems.
• Research & Development: Utilized in academic and industrial R&D for photochemical studies and method development.
• Quality Control Marker: Acts as a reference standard in pharmaceutical and chemical quality control laboratories.

Basic Information

Product Name	Tetrachlorofluorescein
CAS No.	13245-63-1
Molecular Formula	C₂₀H₁₀Cl₄O₅
Molecular Weight	480.11 g/mol
Synonyms	2',4',5',7'-Tetrachlorofluorescein; 3',6'-Dihydroxy-2',4',5',7'-tetrachlorospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one; Tetrachlorofluoresceine; TC-Fluorescein; Acid Yellow 73; C.I. 45350; Solvent Yellow 94; Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetrachloro-
EINECS	236-250-1

Quality Control

Our Tetrachlorofluorescein is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation, purity assay, and impurity profiling, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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. This product is light-sensitive (store away from light).

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%
Heavy Metals (as Pb)	≤ 20 ppm

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