Description

3-(4-Chlorosulfonyl-Phenyl)-Acrylic Acid is a versatile and high-value aromatic acrylic acid derivative, characterized by its reactive chlorosulfonyl and acrylic acid functional groups. This compound serves as a critical pharmaceutical intermediate and organic synthesis building block, enabling the construction of complex molecules for active pharmaceutical ingredients (APIs) and advanced materials. It is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel Active Pharmaceutical Ingredients (APIs), particularly for targeted therapies.
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating functional polymers, coatings, and advanced materials with specific surface properties.
• Organic Synthesis & R&D: A versatile reagent for constructing complex organic molecules in academic and industrial research laboratories.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments for high-performance applications.
• Liquid Crystal & OLED Materials: Potential precursor in the development of electronic display and lighting materials.

Basic Information

Product Name	3-(4-Chlorosulfonyl-Phenyl)-Acrylic Acid
CAS No.	17641-30-4
Molecular Formula	C9H7ClO4S
Molecular Weight	246.67 g/mol
Synonyms	4-(2-Carboxyethenyl)benzenesulfonyl chloride; 3-[4-(Chlorosulfonyl)phenyl]prop-2-enoic acid; (E)-3-(4-(Chlorosulfonyl)phenyl)acrylic acid; 4-Acrylic acid-1-benzenesulfonyl chloride; p-(2-Carboxyvinyl)benzenesulfonyl chloride; 4-Chlorosulfonylcinnamic acid; trans-3-(4-Chlorosulfonylphenyl)acrylic acid
EINECS	Contact for details

Quality Control

Our 3-(4-Chlorosulfonyl-Phenyl)-Acrylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical intermediate applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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