Description

Toluidine Blue is a synthetic metachromatic thiazine dye widely recognized for its vital role in biological and histological staining. This compound is essential for researchers and industrial professionals who require precise and reliable colorimetric results. It is primarily used in medical diagnostics, textile dyeing, and as a redox indicator in analytical chemistry. The product is supplied as a high-purity chemical suitable for demanding laboratory and industrial applications.

Application

• Histological Staining: A critical component for staining mast cells, mucopolysaccharides, and nucleic acids in tissue sections.
• Medical Diagnostics: Used in metachromatic staining procedures for the detection of certain bacterial and fungal infections.
• Textile Industry: Functions as a dye for silk, wool, and nylon, providing a distinctive blue coloration.
• Analytical Chemistry: Serves as a redox indicator and a stain in electrophoresis for visualizing complex biomolecules.
• Microscopy: Employed as a vital stain in live-cell imaging and for enhancing contrast in various microscopic techniques.
• Research & Development: Utilized in biochemical assays and as a tool for studying polyanionic structures like glycosaminoglycans.

Basic Information

Product Name	Toluidine Blue
CAS No.	3209-30-1
Molecular Formula	C15H16ClN3S
Molecular Weight	305.82 g/mol
Synonyms	Toluidine Blue O; Basic Blue 17; C.I. 52040; Tolonium Chloride; Methyltoluthionine Chloride; 3-Amino-7-(dimethylamino)-2-methylphenothiazin-5-ium chloride; TBO
EINECS	221-730-1

Quality Control

Our Toluidine Blue is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous in-house specifications, which include identity confirmation, assay, and impurity profiling. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your application requirements.

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	Dark green powder with metallic luster
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0 %
Ash Content	≤ 1.0 %
Solubility	Soluble in water, ethanol

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