Description

Terephthalic Acid Mono(2-Bromoethyl) Ester is a specialized brominated ester derivative of terephthalic acid, serving as a crucial reactive intermediate in advanced organic synthesis. Its core value lies in introducing both a bromoethyl functional group and a carboxylic acid moiety, enabling precise polymer modification and the creation of novel monomers. This compound is essential for R&D chemists and process engineers in the polymer, pharmaceutical, and specialty chemical industries seeking to develop materials with tailored properties.

Application

• Polymer Modification & Functionalization: Key intermediate for synthesizing functionalized polyesters and polyamides, introducing reactive bromine sites for further cross-linking or grafting.
• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where a terephthalate backbone with a cleavable bromoethyl linker is required.
• Liquid Crystal & Advanced Material Synthesis: Serves as a building block for creating novel monomers used in liquid crystal polymers (LCPs) and other high-performance engineering plastics.
• Cross-linking Agent: Functions as a difunctional monomer in condensation polymerizations or as a cross-linker for resins, enhancing thermal and mechanical stability.
• Organic Synthesis Reagent: Employed in nucleophilic substitution reactions where the bromoethyl group is displaced, facilitating the attachment of various nucleophiles to a terephthalic acid core.
• Surface Coating & Adhesive Formulation: Used to develop specialty coatings and adhesives with improved adhesion and chemical resistance properties.

Basic Information

Product Name	Terephthalic Acid Mono(2-Bromoethyl) Ester
CAS No.	173550-97-5
Molecular Formula	C11H11BrO4
Molecular Weight	287.11 g/mol
Synonyms	2-Bromoethyl 4-carboxybenzoate; 4-Carboxybenzoic Acid 2-Bromoethyl Ester; Mono(2-bromoethyl) terephthalate; Terephthalic Acid 2-Bromoethyl Ester; 2-Bromoethyl Hydrogen Terephthalate; 4-(2-Bromoethoxycarbonyl)benzoic Acid; p-Carboxybenzoic Acid 2-Bromoethyl Ester
EINECS	Contact for details

Quality Control

Our Terephthalic Acid Mono(2-Bromoethyl) Ester is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications and consistent high-quality standards. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials such as strong bases and fluorides. The container should be kept tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.