Description

4,5-Dibromo-1,8-Naphthalenedicarboxylic Acid is a high-purity, halogenated naphthalene derivative that serves as a critical advanced intermediate in organic synthesis. Its value lies in its functionalized aromatic structure, which provides a versatile platform for constructing complex molecules, particularly in the development of specialized dyes, pigments, and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise bromination for downstream coupling and derivatization reactions.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates, particularly those requiring brominated aromatic cores.
• Agrochemical Synthesis: Serves as a key building block for creating novel herbicides, fungicides, and insecticides with enhanced properties.
• Dye & Pigment Manufacturing: A crucial precursor for the production of high-performance, brominated naphthalene-based dyes and organic pigments.
• Functional Material Development: Employed in the research and production of organic light-emitting diodes (OLEDs), liquid crystals, and other electronic materials.
• Ligand & Catalyst Synthesis: Used to create specialized ligands for metal-organic frameworks (MOFs) and catalysts for cross-coupling reactions.
• Polymer Modification: Acts as a monomer or modifier to introduce bromine functionality into polymer backbones, altering thermal and flame-retardant properties.

Basic Information

Product Name	4,5-Dibromo-1,8-Naphthalenedicarboxylic Acid
CAS No.	13577-26-9
Molecular Formula	C₁₂H₄Br₂O₄
Molecular Weight	379.97 g/mol
Synonyms	1,8-Naphthalenedicarboxylic acid, 4,5-dibromo-; 4,5-Dibromonaphthalene-1,8-dicarboxylic acid; DBNDA; 4,5-Dibromo-1,8-naphthalic acid; NSC 163063
EINECS	Contact for details

Quality Control

Our 4,5-Dibromo-1,8-Naphthalenedicarboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay (HPLC), impurity profile, and physical characterization. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

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 strong bases and oxidizing agents. The material may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 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.