Description

1,5-Dihydroxy-4,8-Dibromoanthraquinone is a halogenated anthraquinone derivative, a key intermediate in the synthesis of high-value dyes and pigments. Its precise bromination pattern is critical for imparting specific color properties and light-fastness in advanced applications. This compound is essential for manufacturers in the dye and specialty chemical industries seeking to produce vivid, stable colors for textiles, inks, and advanced materials.

Application

• Dye Intermediate: Primary precursor for the synthesis of vat dyes, disperse dyes, and solvent dyes, particularly for shades of blue, green, and violet.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for plastics, coatings, and inks requiring excellent thermal stability and weatherability.
• Textile Coloring: Key component in dye formulations for synthetic fibers like polyester and nylon, valued for its color strength and wash-fastness.
• Liquid Crystal Displays (LCDs): Serves as a dichroic dye intermediate in the production of guest-host LCDs for electronic displays.
• Research & Development: Valuable building block in organic synthesis and materials science research for developing novel chromophores and functional dyes.
• Photographic Sensitizers: Potential use in the formulation of light-sensitive layers for specialized photographic and imaging applications.

Basic Information

Product Name	1,5-Dihydroxy-4,8-Dibromoanthraquinone
CAS No.	6361-12-2
Molecular Formula	C14H6Br2O4
Molecular Weight	422.01 g/mol
Synonyms	1,5-Dihydroxy-4,8-dibromo-9,10-anthracenedione; 4,8-Dibromo-1,5-dihydroxyanthraquinone; 1,5-Dihydroxy-4,8-dibromoanthra-9,10-quinone; C.I. 62500; Dibromodihydroxyanthraquinone; 1,5-Dihydroxy-4,8-dibromo-9,10-anthraquinone; Anthraquinone, 1,5-dihydroxy-4,8-dibromo-
EINECS	228-882-3

Quality Control

Our 1,5-Dihydroxy-4,8-Dibromoanthraquinone is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing key specifications is provided with every shipment to guarantee it meets your technical requirements.

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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (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.