Description

Azure A Eosinate, Pure is a high-purity, light-sensitive organic salt derived from the cationic dye Azure A and the anionic surfactant Eosin. This specialized compound is valued for its unique spectral properties and its role as a critical component in advanced diagnostic and analytical applications. It is essential for research and manufacturing in the life sciences and chemical analysis sectors. Industries requiring precise colorimetric assays and histological staining rely on its consistent quality and performance.

Application

• Histological Staining: Used as a specialized stain in microscopy for differentiating cellular structures in biological tissue samples.
• Diagnostic Reagents: A key component in the formulation of reagents for clinical diagnostics and biomedical testing kits.
• Spectroscopic Analysis: Employed as a standard or probe in UV-Vis and fluorescence spectroscopy due to its defined absorption characteristics.
• Research & Development: Serves as a crucial tool in biochemical and pharmaceutical R&D for assay development and experimental protocols.
• Quality Control: Used in analytical laboratories as a reference material to calibrate instruments and validate methods.
• Photodynamic Therapy Research: Investigated in preclinical studies for its potential photosensitizing properties.

Basic Information

Product Name	Azure A Eosinate, Pure
CAS No.	62298-43-5
Molecular Formula	C20H19N3O5S
Molecular Weight	413.45 g/mol
Synonyms	Azure A Eosinate; Eosin Azure A Salt; Azure A Eosin Salt; 7-Amino-3-imino-3H-phenoxazin-5-ium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate; C.I. 52005; Basic Blue 17 Eosinate; Toluidine Blue O Eosinate (related compound)
EINECS	Contact for details

Quality Control

Every batch of Azure A Eosinate, Pure is manufactured and tested under a strict quality management system to ensure it meets the high standards required for research and diagnostic applications. Our products undergo rigorous quality testing, including spectroscopic purity verification and impurity profiling, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing batch-specific results are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive and must be handled and stored away from direct light exposure to prevent degradation. Keep the container tightly sealed when not in use to protect from atmospheric moisture.

Specification

Item	Specification
Appearance	Dark green to blue-green powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 1.0%

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