Description

Rose Bengal Lactone is a key chemical intermediate and analytical reagent derived from the xanthene dye family. This compound is valued for its role in the synthesis of more complex dyes and as a precursor in the development of specialized sensors and diagnostic agents. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, biotechnology, and fine chemical sectors for developing novel materials and analytical methods.

Application

• Chemical Synthesis: A crucial intermediate for synthesizing Rose Bengal derivatives and other xanthene-based dyes.
• Analytical Chemistry: Used as a reagent in photometric analysis and as a precursor for developing fluorescent probes and sensors.
• Biomedical Research: Employed in the development of diagnostic agents and research tools for studying biological processes.
• Material Science: Acts as a functional component in the research and development of light-sensitive polymers and advanced materials.
• Laboratory Reagent: Serves as a standard or reference material in quality control and method development laboratories.

Basic Information

Product Name	Rose Bengal Lactone
CAS No.	4159-77-7
Molecular Formula	C20H2Cl4I4O5
Molecular Weight	1017.64 g/mol
Synonyms	4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one; Rose Bengal B Lactone; Acid Red 94 Lactone; C.I. 45440 Lactone; Bengal Rose B Lactone; Tetraiodotetrachlorofluorescein Lactone; D&C Red No. 19 Lactone (related)
EINECS	224-001-5

Quality Control

Our Rose Bengal Lactone is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR spectroscopy, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee traceability and compliance with your specifications.

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	Red to dark red powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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