Description

Alizarine Blue is a synthetic organic dye belonging to the anthraquinone class, known for its distinctive blue color and chemical stability. This compound is valued for its role as a versatile intermediate and colorant in high-performance applications where durability and specific spectral properties are required. It is essential for manufacturers and research laboratories in the textile, ink, and specialty chemical synthesis sectors.

Application

• Primary use as a dye intermediate for producing high-grade pigments and colorants.
• Key component in the formulation of specialized inks for printing and security applications.
• Used as a biological stain in histological and cytological research for microscopic analysis.
• Employed as a colorimetric indicator or reagent in analytical chemistry procedures.
• Potential use in the synthesis of advanced functional dyes for optical and electronic materials.
• Application in textile dyeing processes for specific fabric types requiring anthraquinone-based colors.

Basic Information

Product Name	Alizarine Blue
CAS No.	568-02-5
Molecular Formula	C₁₇H₉NO₄
Molecular Weight	291.26 g/mol
Synonyms	Alizarin Blue; Alizarine Blue S; C.I. 67405; C.I. Mordant Blue 13; 1,2-Dihydroxy-3-(p-nitrophenylamino)anthraquinone; Alizarin Sky Blue; Nitroalizarin Blue; Alizarin Brilliant Blue BS
EINECS	209-296-5

Quality Control

Our Alizarine Blue is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is tested against established in-house specifications, which include identity confirmation, purity assay, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark Blue to Bluish-Black Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Ash Content	≤ 1.0%
Solubility Test	Conforms

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