Description

3-Ethoxy-2,4-Difluorobenzenesulfonylchloride is a high-value, multi-functional chemical intermediate essential for advanced organic synthesis. Its core value lies in its role as a versatile sulfonylating and coupling agent, enabling the precise construction of complex molecules. This compound is critically needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly in sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging the difluoroethoxy moiety for enhanced bioactivity.
• Material Science: Serves as a precursor for functional polymers and liquid crystals where specific sulfonyl groups are required.
• Chemical Research: A valuable reagent in academic and industrial R&D for exploring new reaction pathways and creating compound libraries.
• Dye and Pigment Manufacturing: Intermediate for synthesizing specialized colorants with improved properties.

Basic Information

Item	Detail
Product Name	3-Ethoxy-2,4-Difluorobenzenesulfonylchloride
CAS No.	1706439-10-2
Molecular Formula	C8H7ClF2O3S
Molecular Weight	256.65 g/mol
Synonyms	2,4-Difluoro-3-ethoxybenzenesulfonyl chloride; 1-Ethoxy-2,4-difluoro-6-sulfonylchloridebenzene; 3-Ethoxy-2,4-difluorophenylsulfonyl chloride; Benzenesulfonyl chloride, 3-ethoxy-2,4-difluoro-; 1706439-10-2; 3-Ethoxy-2,4-difluorobenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-Ethoxy-2,4-Difluorobenzenesulfonylchloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high purity and batch-to-batch consistency suitable for sensitive synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each 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). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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