Description

Dimethyl 4-Bromoisophthalate is a high-purity aromatic diester derivative, serving as a critical organic intermediate in advanced chemical synthesis. Its value lies in providing a versatile brominated aromatic core with protected carboxylic acid groups, enabling precise and efficient downstream functionalization. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries who require a reliable building block for creating complex molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules with complex aromatic architectures.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where bromine substitution is required.
• Liquid Crystal & OLED Materials: Serves as a precursor for brominated aromatic cores used in electronic and optoelectronic materials.
• Polymer & Resin Modifier: Acts as a monomer or cross-linking agent in the production of high-performance polymers, including polyesters and polyamides.
• Organic Synthesis Reagent: Utilized in coupling reactions (e.g., Suzuki, Heck) and as a precursor for further functionalization to isophthalic acid derivatives.
• Research & Development: A valuable standard and starting material in academic and industrial R&D labs for novel compound discovery.

Basic Information

Product Name	Dimethyl 4-Bromoisophthalate
CAS No.	28730-78-1
Molecular Formula	C10H9BrO4
Molecular Weight	273.08 g/mol
Synonyms	1,3-Benzenedicarboxylic acid, 4-bromo-, dimethyl ester; 4-Bromoisophthalic Acid Dimethyl Ester; Dimethyl 4-Bromo-1,3-benzenedicarboxylate; 4-Bromo-1,3-benzenedicarboxylic Acid Dimethyl Ester; Methyl 4-bromoisophthalate; 4-Bromobenzene-1,3-dicarboxylic acid dimethyl ester
EINECS	Contact for details

Quality Control

Our Dimethyl 4-Bromoisophthalate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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 heat sources and incompatible materials. The product is light-sensitive and should be handled accordingly.

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	< 10 ppm

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