Description

Azoacidblue CAS NO 5690-10-8 is a synthetic organic dye belonging to the azo dye class, characterized by its vibrant blue color and good affinity for various substrates. This high-purity chemical intermediate is critical for manufacturers requiring consistent color strength and batch-to-batch uniformity for their formulations. It is primarily utilized by industries involved in the production of specialized inks, textile colorants, and research-grade biological stains.

Application

• Textile Dyeing: Used as a colorant for synthetic and natural fibers, providing a stable blue hue.
• Ink Manufacturing: Serves as a key pigment in the formulation of industrial and specialty printing inks.
• Biological Staining: Employed in histological and microbiological laboratories as a staining agent for tissue and cell visualization.
• Paper Coloring: Applied in the production of colored papers and paper products.
• Leather Processing: Used for dyeing leather goods to achieve consistent and durable coloration.
• Research & Development: Acts as a standard or intermediate in chemical synthesis and analytical method development.

Basic Information

Product Name	Azoacidblue
CAS No.	5690-10-8
Molecular Formula	C32H26N4Na2O8S2
Molecular Weight	696.68 g/mol
Synonyms	Acid Blue 92; C.I. 13390; Erioglaucine A; Wool Blue B; Lissamine Blue B; Aniline Blue, water soluble; Sodium 4-[(4-anilino-5-sulfo-1-naphthyl)azo]-5-hydroxy-6-(phenylamino)naphthalene-2,7-disulfonate
EINECS	227-147-3

Quality Control

Our Azoacidblue is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise specifications for color value, purity, and solubility. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical properties is provided 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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark blue to blue-black powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Sulfated Ash	≤ 1.0%
Water Solubility	Completely soluble

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