Description

1,1'-Dianthrimide is an important organic intermediate and a key building block in the synthesis of high-performance pigments and dyes. Its unique fused aromatic structure makes it a valuable precursor for creating compounds with excellent color fastness, thermal stability, and chemical resistance. This product is primarily sought after by manufacturers in the pigment, specialty chemical, and advanced material industries for research and production applications.

Application

• Precursor for Vat Dyes and Pigments: A fundamental starting material in the synthesis of anthraquinone-based vat dyes, which are renowned for their brilliant colors and superior fastness properties on cellulosic fibers like cotton.
• High-Performance Pigment Manufacturing: Used in the production of complex organic pigments (Pigment Reds, Oranges) for plastics, coatings, and inks requiring high durability and weatherability.
• Specialty Chemical Synthesis: Serves as a key intermediate in organic synthesis for creating more complex anthraquinone derivatives used in various industrial applications.
• Research & Development: Utilized in academic and industrial R&D labs for developing novel chromophores, functional dyes, and advanced organic materials.
• Photoconductive Materials: Investigated for use in the development of organic photoconductors and charge-transport materials in electrophotography and related technologies.

Basic Information

Product Name	1,1'-Dianthrimide
CAS No.	82-22-4
Molecular Formula	C28H16N2O4
Molecular Weight	444.44 g/mol
Synonyms	1,1'-Dianthraquinonylamine; 1,1'-Iminodianthraquinone; Dianthraquinonylamine; 1-Aminoanthraquinone dimer; 1,1'-Bis(9,10-dioxo-9,10-dihydro-1-anthracenyl)amine; CI 59800; Vat Orange 15 (crude); 1,1'-Dianthrimide (technical grade)
EINECS	201-403-4

Quality Control

Our 1,1'-Dianthrimide is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance characteristics. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your internal quality standards.

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 heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Orange to brownish-red powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0% (Technical Grade)
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%

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