Description

Rosebengalea is a specialized chemical compound, also known as Rose Bengal, primarily recognized as a synthetic xanthene dye. This product is valued for its unique photochemical properties and its utility as a vital staining agent and photosensitizer in various industrial and research applications. Key industries that rely on this compound include the life sciences for biological staining, the polymer industry for photochemical processes, and analytical chemistry as a diagnostic reagent.

Application

• Biological Staining Agent: Widely used in microbiology and histology for staining cells and tissues, particularly for detecting dead cells or assessing cell viability.
• Photosensitizer in Polymer Chemistry: Employed in photopolymerization reactions and the study of singlet oxygen generation for material science applications.
• Diagnostic Reagent: Utilized in ophthalmology for the Bengal Rose test to diagnose damage to the cornea and conjunctiva.
• Research Chemical: Serves as a standard or reagent in photodynamic therapy (PDT) research and environmental testing.
• Dye Intermediate: Acts as a precursor or colorant in the synthesis of other specialized dyes and pigments.
• Food Safety Testing: Applied in certain laboratory methods for the detection of microbial contamination.

Basic Information

Product Name	Rosebengalea
CAS No.	18265-55-9
Molecular Formula	C20H2Cl4I4Na2O5
Molecular Weight	1017.64 g/mol
Synonyms	Rose Bengal; Rose Bengal Sodium Salt; Acid Red 94; C.I. 45440; Bengal Rose B; 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein disodium salt; Tetraiodotetrachlorofluorescein disodium salt
EINECS	242-156-8

Quality Control

Our Rosebengalea is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification by IR spectroscopy, purity assay by HPLC, and control of key impurities. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to ensure 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 a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark red to brownish-red powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 85.0%
Loss on Drying	≤ 10.0 %
Water Solubility	Freely soluble
pH (1% Solution)	6.0 - 8.0

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