Description

2,9-Dibromobenzanthrone is a high-purity, halogenated benzanthrone derivative, a key advanced intermediate in the synthesis of high-performance pigments and dyes. Its precise bromination pattern is critical for achieving specific color properties and enhanced lightfastness in the final products. This compound is essential for manufacturers in the pigment, dye, and specialty chemical industries seeking to develop vivid, stable colorants for demanding applications.

Application

• Key Intermediate for Vat Dyes: Primarily used in the synthesis of high-grade vat dyes, particularly for coloring cotton and other cellulose fibers.
• Precursor for Organic Pigments: Serves as a crucial building block in the manufacturing of high-performance organic pigments, including benzimidazolone and anthraquinone types.
• Specialty Colorant Production: Employed in creating specialized colorants for plastics, coatings, and inks that require exceptional durability and chemical resistance.
• Research & Development: Used in chemical R&D for developing novel chromophores and functional materials with specific optical properties.
• Photoconductive Materials: Investigated for potential use in the synthesis of organic semiconductors and photoconductive agents for electronic applications.

Basic Information

Product Name	2,9-Dibromobenzanthrone
CAS No.	79381-26-3
Molecular Formula	C17H8Br2O
Molecular Weight	388.05 g/mol
Synonyms	2,9-Dibromobenz[a]anthracen-7-one; 2,9-Dibromo-7H-benz[de]anthracen-7-one; Dibromobenzanthrone; 7H-Benz[de]anthracen-7-one, 2,9-dibromo-; 2,9-Dibromobenzanthrene-7-one
EINECS	Contact for details

Quality Control

Our 2,9-Dibromobenzanthrone is manufactured under stringent process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a comprehensive suite of analytical techniques including HPLC, GC, and NMR to confirm identity and assay. A Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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