Description

Disperseblue3 CAS NO 475-46-9 is a high-purity, synthetic organic dye belonging to the anthraquinone class, widely recognized for its excellent color strength and dispersion properties. This compound is critical for achieving consistent, vibrant blue hues with superior fastness in demanding industrial applications. It is an essential raw material for manufacturers in the textile, plastics, and specialty ink sectors who require reliable, high-performance colorants for their production processes.

Application

• Primary colorant for the dyeing and printing of synthetic fibers, particularly polyester and acetate.
• Pigmentation of engineering plastics, including ABS, polystyrene, and polycarbonate, to provide color stability.
• Manufacturing of specialty inks for non-porous surfaces and security printing applications.
• Coloration of automotive interior fabrics and trim requiring high lightfastness.
• Production of colored masterbatches for the fiber and film extrusion industries.
• As a research chemical and reference standard in analytical laboratories for dye identification and quality control.

Basic Information

Product Name	Disperseblue3
CAS No.	475-46-9
Molecular Formula	C14H9NO4
Molecular Weight	255.23 g/mol
Synonyms	1,4-Diamino-9,10-anthracenedione; 1,4-Diaminoanthraquinone; Disperse Blue 3; C.I. 61505; Celliton Blue 3R; C.I. Disperse Blue 3; 1,4-Diamino-9,10-anthraquinone; 9,10-Anthracenedione, 1,4-diamino-
EINECS	207-494-9

Quality Control

Our Disperseblue3 is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to meet exacting industry specifications. 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, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Dark Blue to Violet Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	≥ 98.0%
Moisture (KF)	≤ 1.0%
Ash Content	≤ 0.5%
Solubility	Practically insoluble in water; soluble in organic solvents

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