Description

Benzoic Acid, 2-Chloro-4,5-Difluoro-, Ethyl Ester is a high-purity fluorinated aromatic ester, a key advanced intermediate in modern organic synthesis. This compound is valued for its role in introducing the 2-chloro-4,5-difluoro substitution pattern into complex molecular architectures, enabling precise tuning of physical and chemical properties. It is primarily sought by R&D and production teams in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific halogenated and fluorinated motifs for enhanced bioactivity and metabolic stability.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the difluoro and chloro substituents contribute to efficacy and environmental profile.
• Liquid Crystal & OLED Materials: Serves as a precursor in the manufacture of fluorinated components for electronic display materials, contributing to improved performance and stability.
• Organic Synthesis & Catalysis: Employed as a versatile reagent in cross-coupling reactions and as a scaffold for constructing complex, polyfunctionalized aromatic compounds in academic and industrial research.
• Specialty Polymer Modifier: Incorporated into polymer chains to impart specific characteristics such as altered solubility, thermal resistance, or chemical inertness.

Basic Information

Product Name	Benzoic Acid, 2-Chloro-4,5-Difluoro-, Ethyl Ester
CAS No.	128800-37-3
Molecular Formula	C9H7ClF2O2
Molecular Weight	220.60 g/mol
Synonyms	Ethyl 2-Chloro-4,5-difluorobenzoate; 2-Chloro-4,5-difluorobenzoic Acid Ethyl Ester; Benzoic acid, 2-chloro-4,5-difluoro-, ethyl ester; Ethyl 2-chloro-4,5-difluorobenzoate; 128800-37-3; 2-Chloro-4,5-difluorobenzoic acid ethyl ester
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 2-Chloro-4,5-Difluoro-, Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing purity, impurity profiles, and physical data are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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