Description

2,3-Dichlorocinnamic Acid CAS NO 20595-44-2 is a halogenated cinnamic acid derivative serving as a versatile synthetic intermediate in advanced organic chemistry. Its value lies in the strategic positioning of chlorine atoms on the aromatic ring, which enables selective functionalization and the construction of complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, particularly for developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing potential drug candidates, especially in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a precursor in the development of specialty chemicals for electronic displays and organic light-emitting diodes.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for creating specialized polymers with unique properties.
• Organic Synthesis & Catalysis: A valuable reagent in cross-coupling reactions and as a scaffold for constructing complex heterocyclic compounds.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development and exploring new chemical entities.

Basic Information

Product Name	2,3-Dichlorocinnamic Acid
CAS No.	20595-44-2
Molecular Formula	C9H6Cl2O2
Molecular Weight	217.05 g/mol
Synonyms	(2E)-3-(2,3-Dichlorophenyl)prop-2-enoic acid; trans-2,3-Dichlorocinnamic Acid; (E)-3-(2,3-Dichlorophenyl)acrylic acid; 2,3-Dichloro-trans-cinnamic Acid; β-(2,3-Dichlorophenyl)acrylic Acid; NSC 403697; 2,3-Dichlorobenzeneacrylic acid
EINECS	243-904-9

Quality Control

Our 2,3-Dichlorocinnamic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets precise customer specifications and high-purity standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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