Description

Azure A, Certified, Pure is a high-purity, certified grade of the cationic phenothiazine dye, Azure A (CAS No. 531-53-3). This product is essential for applications requiring precise colorimetric analysis, consistent staining performance, and reliable research outcomes. It is primarily utilized by professionals in the biotechnology, histology, and analytical chemistry sectors for diagnostic and research purposes.

Application

• Histological Staining: Used as a metachromatic dye for staining nucleic acids, mucopolysaccharides, and mast cell granules in tissue sections.
• Microbiological Analysis: Employed in staining procedures for bacterial identification and microscopic examination.
• Cytological Studies: Applied in chromosome banding and other cytogenetic staining techniques.
• Diagnostic Reagent Formulation: A key component in the preparation of specialized stains and diagnostic kits for clinical laboratories.
• Research & Development: Utilized in biochemical and biophysical research as a probe for studying nucleic acid structures and interactions.
• Quality Control in Dye Manufacturing: Serves as a certified reference standard for quality assurance in the production of biological stains.

Basic Information

Product Name	Azure A, Certified, Pure
CAS No.	531-53-3
Molecular Formula	C₁₄H₁₄ClN₃S
Molecular Weight	291.80 g/mol
Synonyms	Azure A; C.I. 52005; 3-Amino-7-(dimethylamino)phenothiazin-5-ium chloride; Tolonium chloride (related compound); Basic Blue 17; Dimethylthionin; 7-Dimethylamino-3-amino-5-phenothiazinium chloride; Aizen Azure A
EINECS	208-518-8

Quality Control

Our Azure A, Certified, Pure is manufactured and tested to meet stringent quality standards suitable for diagnostic and research use. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and performance characteristics. We ensure compliance with relevant industry protocols to guarantee reproducibility and reliability in your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect purity and performance.

Specification

Item	Specification
Appearance	Dark green powder with metallic luster
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Absorbance Ratio (Amax/Amin)	≥ 1.30
Loss on Drying	≤ 5.0 %
Ash Content	≤ 1.0 %
Solubility (in Water)	Clear, blue solution

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