Intermediates

Ethyl 2,4-Dichlorobenzoate

  • CAS No.56882-52-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity Ethyl 2,4-Dichlorobenzoate (CAS 56882-52-1), a key agrochemical intermediate used in the synthesis of Pyrifenox and other specialty compounds.

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Product Technical Details

Product Overview

Ethyl 2,4-Dichlorobenzoate is a high-purity aromatic ester widely employed as a critical building block in agrochemical synthesis. With a molecular formula of C9H8Cl2O2 and a molecular weight of 219.07 g/mol, this compound serves as an essential intermediate in the production of advanced crop protection agents, including the fungicide Pyrifenox (CAS 88283-41-4). Its well-defined reactivity and stability make it a preferred choice for industrial-scale organic transformations.

Specifications

Molecular FormulaC9H8Cl2O2
Molecular Weight219.07 g/mol
Density1.305 g/cm³
Boiling Point272.8°C at 760 mmHg
Flash Point111.8°C
Refractive Index1.537
AppearanceWhite to off-white powder
Assay≥98.0%

Industrial Applications

As a versatile synthetic intermediate, Ethyl 2,4-Dichlorobenzoate is primarily utilized in the agrochemical industry for the efficient construction of complex active ingredients. Its dichlorinated aromatic core enables selective electrophilic substitution and cross-coupling reactions, facilitating streamlined routes to target molecules. The compound is not intended for direct use in end-user formulations but plays a pivotal role in multi-step manufacturing processes requiring high chemical fidelity and batch-to-batch consistency.

  • Key precursor in the synthesis of Pyrifenox and related phenylpyridine derivatives
  • Compatible with standard ester hydrolysis, amidation, and metal-catalyzed coupling protocols
  • Supplied in industrial-grade purity suitable for GMP-aligned production environments

Stored in a cool, well-ventilated area away from incompatible materials, this intermediate is typically packaged in 25 kg fiber drums or customized containers per client specifications.