Description

Benzoic Acid, 2-Chloro-4,5-Difluoro-, Methyl Ester is a high-purity fluorinated aromatic ester, a key building block in advanced organic synthesis. This compound is valued for its unique substitution pattern, which introduces both chlorine and fluorine atoms onto the aromatic ring, making it a versatile intermediate for creating complex molecules with tailored properties. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A critical synthon for the development of new drug candidates, particularly in fluorinated active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides where the difluoro-chloro motif enhances biological activity and environmental stability.
• Liquid Crystal Materials: Serves as a precursor in the synthesis of fluorinated components for liquid crystal displays (LCDs), improving electro-optical properties.
• Organic Electronics: Employed in the development of novel organic semiconductors and charge-transport materials for OLEDs and other electronic devices.
• Advanced Polymer Chemistry: Acts as a monomer or modifier for creating specialty polymers with enhanced chemical resistance and thermal stability.
• Chemical Research & Development: A valuable tool in academic and industrial labs for exploring new reactions and constructing complex molecular architectures.

Basic Information

Product Name	Benzoic Acid, 2-Chloro-4,5-Difluoro-, Methyl Ester
CAS No.	128800-36-2
Molecular Formula	C9H5ClF2O2
Molecular Weight	218.59 g/mol
Synonyms	Methyl 2-Chloro-4,5-difluorobenzoate; 2-Chloro-4,5-difluorobenzoic Acid Methyl Ester; Benzoic acid, 2-chloro-4,5-difluoro-, methyl ester; Methyl 2-chloro-4,5-difluorobenzoate; 128800-36-2; 2-Chloro-4,5-difluorobenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 2-Chloro-4,5-Difluoro-, Methyl Ester is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with customer specifications and relevant industry standards for fine chemical intermediates.

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 sources of ignition. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (GC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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