Description

4,4'-Dibenzamido-1,1'-Iminodianthraquinone is a specialized, high-value anthraquinone derivative distinguished by its unique functionalized structure. This compound serves as a critical advanced intermediate in the synthesis of high-performance dyes and functional pigments, where its specific molecular architecture imparts desirable color and stability properties. It is primarily utilized by research and development chemists and industrial manufacturers in the specialty chemicals sector, particularly those focused on creating novel colorants for niche applications.

Application

• Key Intermediate for Vat Dyes: Serves as a crucial building block in the synthesis of high-grade, colorfast vat dyes used in textile dyeing and printing.
• Specialty Pigment Synthesis: Used in the development of organic pigments for applications requiring high thermal stability and weatherability, such as in plastics and coatings.
• Functional Dye Manufacturing: A precursor for dyes used in specialized technical applications, including liquid crystal displays (LCDs) and electronic materials.
• Research & Development: Employed in academic and industrial R&D labs for exploring new chromophores and studying structure-property relationships in dye chemistry.
• Fine Chemical Synthesis: Acts as a versatile intermediate in the multi-step synthesis of other complex anthraquinone-based molecules for pharmaceutical or material science research.

Basic Information

Product Name	4,4'-Dibenzamido-1,1'-Iminodianthraquinone
CAS No.	128-79-0
Molecular Formula	C₄₂H₂₄N₄O₆
Molecular Weight	680.67 g/mol
Synonyms	1,1'-Iminodianthraquinone, 4,4'-bis(benzoylamino)-; C.I. 69825; C.I. Vat Blue 31; Vat Blue 31; 4,4'-Bis(benzamido)-1,1'-iminodianthraquinone; 4,4'-Dibenzoylamino-1,1'-iminodianthraquinone; 1,1'-Iminodi-9,10-anthracenedione, 4,4'-bis(benzoylamino)-
EINECS	204-904-5

Quality Control

Our 4,4'-Dibenzamido-1,1'-Iminodianthraquinone is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A detailed Certificate of Analysis (COA) documenting the specific results is provided with every shipment to support your quality assurance and regulatory needs.

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 blue to violet powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
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.