Description

1,1'-Diamino-2,2'-Bianthraquinone is a high-purity, specialized anthraquinone derivative valued for its role as a critical intermediate in the synthesis of advanced colorants and functional materials. Its unique conjugated structure provides the chromophoric backbone essential for producing vivid, high-performance pigments and dyes. This compound is primarily sought by manufacturers in the pigments, specialty dyes, and advanced materials sectors for applications demanding exceptional color strength and stability.

Application

• Key Intermediate for High-Performance Pigments: Serves as a crucial building block in the synthesis of anthraquinone-based pigments, known for their brilliance and excellent lightfastness.
• Specialty Dye Manufacturing: Used in the production of vat dyes and other specialized dyes for textiles, plastics, and inks.
• Functional Material Synthesis: Acts as a precursor in the development of organic semiconductors, photoconductive materials, and other advanced electronic components.
• Research & Development: Employed in academic and industrial R&D for exploring novel chromophores and photoactive compounds.
• Liquid Crystal Displays (LCDs): Potential use in the synthesis of dyes for color filters in display technologies.

Basic Information

Product Name	1,1'-Diamino-2,2'-Bianthraquinone
CAS No.	6546-50-5
Molecular Formula	C28H16N2O4
Molecular Weight	444.44 g/mol
Synonyms	1,1'-Diamino-2,2'-bianthraquinonyl; 2,2'-Bianthraquinone-1,1'-diamine; 1,1'-Bianthraquinonyl-2,2'-diamine; Dianthraquinonylamine; C.I. 59800; Vat Orange 11; C.I. Vat Orange 11; Bianthraquinone derivative
EINECS	229-476-6

Quality Control

Every batch of 1,1'-Diamino-2,2'-Bianthraquinone is manufactured and tested under a strict quality management system. We ensure the product meets exacting standards for purity and consistency, which are critical for reproducible results in downstream synthesis. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment and are available upon request.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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