Description

4,4'-Diamino-1,1'-Iminodianthraquinone is a high-value, specialized anthraquinone derivative distinguished by its unique imino-bridged di-anthraquinone structure. This compound is a critical functional intermediate prized for its ability to impart deep, stable colors and advanced electronic properties in high-performance materials. It is primarily sought after by manufacturers in the dyes and pigments, advanced polymer, and specialty chemical synthesis sectors for creating next-generation products.

Application

• High-Performance Pigments: A key intermediate for synthesizing premium vat dyes and high-grade organic pigments, especially for applications requiring exceptional color fastness, thermal stability, and chemical resistance.
• Functional Dyes: Used in the production of specialized dyes for synthetic fibers (e.g., polyester, nylon) and technical textiles where durability is paramount.
• Advanced Material Synthesis: Serves as a sophisticated building block in the research and development of organic semiconductors, photoconductive materials, and non-linear optical (NLO) materials.
• Chemical Intermediate: Employed in fine chemical synthesis for creating complex molecules with specific electronic or chromophoric characteristics in pharmaceutical and agrochemical research.
• Liquid Crystal Displays (LCDs): Potential use as a precursor for dyes and colorants in display technologies.
• Analytical Chemistry: Can be utilized as a reagent or standard in chromatographic analysis and quality control for related chemical families.

Basic Information

Item	Detail
Product Name	4,4'-Diamino-1,1'-Iminodianthraquinone
CAS No.	128-87-0
Molecular Formula	C₂₈H₁₆N₄O₄
Molecular Weight	472.45 g/mol
Synonyms	1,1'-Iminodianthraquinone, 4,4'-diamino-; C.I. 59800; C.I. Vat Brown 1; Vat Brown 1; 4,4'-Diamino-1,1'-dianthraquinonylamine; 4,4'-Diamino-1,1'-iminobisanthraquinone; 4,4'-Diamino-N,N'-dianthraquinonylamine; Amanthrene Brown BR
EINECS	204-912-7

Quality Control

Every batch of 4,4'-Diamino-1,1'-Iminodianthraquinone is manufactured and tested under a strict quality management system. We ensure consistent purity, precise chemical structure, and batch-to-batch reproducibility through advanced analytical techniques. Comprehensive Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided and available upon request 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). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark brown to violet powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Residue on Ignition	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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