Description

2-Bromo-1,4-Dihydroxyanthraquinone is a brominated derivative of 1,4-dihydroxyanthraquinone, serving as a key intermediate in the synthesis of high-value dyes and functional pigments. This compound is valued for its ability to introduce specific chromophoric and auxochromic properties, enabling precise color tuning and enhanced lightfastness in final products. It is primarily utilized by manufacturers in the dye, pigment, and specialty chemical industries seeking to develop advanced colorants for textiles, plastics, and imaging applications.

Application

• Dye Intermediate: A crucial precursor for the synthesis of vat dyes, disperse dyes, and solvent dyes, particularly valued for producing shades of blue, green, and violet.
• Pigment Manufacturing: Used in the production of high-performance organic pigments for plastics, coatings, and inks, where bromination improves stability and color properties.
• Functional Dyes: Serves as a building block for dyes used in non-textile applications, such as laser dyes, optical data storage media, and photoconductors.
• Research & Development: Employed in academic and industrial R&D for exploring novel anthraquinone-based materials, including liquid crystals and electrochromic devices.
• Specialty Chemical Synthesis: Acts as an intermediate in the preparation of pharmaceuticals, agrochemicals, and other fine chemicals where the anthraquinone scaffold is required.

Basic Information

Product Name	2-Bromo-1,4-Dihydroxyanthraquinone
CAS No.	81-52-7
Molecular Formula	C₁₄H₇BrO₄
Molecular Weight	319.11 g/mol
Synonyms	2-Bromo-1,4-dihydroxy-9,10-anthracenedione; 2-Bromo-1,4-dihydroxy-9,10-anthraquinone; 1,4-Dihydroxy-2-bromoanthraquinone; Bromoquinizarin; C.I. 58055; Solvent Orange 86; Disperse Orange 11
EINECS	201-357-3

Quality Control

Our 2-Bromo-1,4-Dihydroxyanthraquinone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR), to ensure it meets precise specifications for use in sensitive applications like dye synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided. For long-term storage, consider an inert atmosphere.

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%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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