Description

4,5-Dibromophthalic Acid is a high-purity brominated aromatic dicarboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the strategic placement of bromine atoms on the phthalic acid backbone, which provides unique reactivity for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to develop novel active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of bromine-containing drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators that require brominated aromatic structures.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for the creation of high-temperature resistant polymers, epoxy resins, and specialty polyimides.
• Organic Synthesis & Research: A versatile reagent for Suzuki-Miyaura and other palladium-catalyzed cross-coupling reactions to create complex biaryl compounds.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of brominated phthalocyanine dyes and high-performance organic pigments.
• Liquid Crystal & OLED Materials: Used in the development of brominated precursors for electronic and optoelectronic materials.

Basic Information

Product Name	4,5-Dibromophthalic Acid
CAS No.	24063-28-3
Molecular Formula	C8H4Br2O4
Molecular Weight	323.93 g/mol
Synonyms	4,5-Dibromobenzene-1,2-dicarboxylic Acid; 1,2-Benzenedicarboxylic Acid, 4,5-Dibromo-; Phthalic Acid, 4,5-Dibromo-; NSC 403107; Dibromophthalic Acid; 4,5-Dibromo-1,2-benzenedicarboxylic Acid
EINECS	Contact for details

Quality Control

Our 4,5-Dibromophthalic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials. Recommended storage temperature is between 15°C and 25°C. Due to its nature as a strong acid/organic solvent, keep away from bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white 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)	≤ 10 ppm

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