Description

Terephthalic Acid Monoethyl Ester is a key organic intermediate and ester derivative of terephthalic acid. This compound is valued for its role as a versatile building block in the synthesis of more complex polymers and specialty chemicals. It is primarily sought after by manufacturers in the polymer, pharmaceutical, and fine chemical industries for research and production purposes.

Application

• Polymer Intermediate: A crucial monomer or co-monomer in the production of specialized polyesters and liquid crystal polymers (LCPs).
• Pharmaceutical Synthesis: Serves as a key starting material or intermediate in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Organic Synthesis: Used as a versatile building block for creating complex organic molecules, dyes, and pigments in fine chemical production.
• Plasticizer Production: Acts as a precursor in the manufacture of certain ester-based plasticizers.
• Research & Development: Employed in chemical R&D for studying reaction mechanisms and developing new materials.
• Coating Resins: Can be utilized in the formulation of high-performance coating and adhesive resins.

Basic Information

Product Name	Terephthalic Acid Monoethyl Ester
CAS No.	713-57-5
Molecular Formula	C10H10O4
Molecular Weight	194.18 g/mol
Synonyms	Monoethyl terephthalate; Ethyl hydrogen terephthalate; 4-(Ethoxycarbonyl)benzoic acid; Terephthalic acid ethyl ester; Ethyl terephthalate; Monoethyl ester of terephthalic acid; 1,4-Benzenedicarboxylic acid, monoethyl ester
EINECS	211-934-1

Quality Control

Our Terephthalic Acid Monoethyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous demands of industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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