Description

3-Bromophthalic Acid is a versatile brominated aromatic dicarboxylic acid derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the reactive bromine substituent and dual carboxylic acid functional groups, enabling precise molecular construction for high-value applications. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty materials sectors who require a reliable building block for complex molecule synthesis.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with phthalimide or phthalic anhydride cores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the bromine atom facilitates further functionalization.
• Ligand and Catalyst Development: Serves as a starting material for creating novel chelating ligands and organocatalysts in asymmetric synthesis.
• Polymer and Material Science: Building block for high-performance polymers, including polyimides and polyesters, imparting flame retardancy and modified thermal properties.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of complex organic dyes and pigments, contributing to color fastness and stability.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	3-Bromophthalic Acid
CAS No.	116-69-8
Molecular Formula	C8H5BrO4
Molecular Weight	245.03 g/mol
Synonyms	3-Bromobenzene-1,2-dicarboxylic Acid; 3-Bromophthalic Acid; 1,2-Benzenedicarboxylic acid, 3-bromo-; NSC 403697; 3-Bromophthalsäure (German); Acide 3-bromophtalique (French); 3-ブロモフタル酸 (Japanese)
EINECS	204-155-6

Quality Control

Our 3-Bromophthalic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, which includes results from HPLC, NMR, and other relevant analytical techniques. Our quality commitment ensures the material meets the stringent requirements for use in regulated synthesis and research applications.

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 strong bases, strong oxidizing agents, and sources of ignition. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	205 - 210 °C
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.