Description

2,5-Dichlorocinnamic Acid is a halogenated cinnamic acid derivative serving as a versatile chemical intermediate. Its value lies in the strategic positioning of chlorine atoms on the aromatic ring, which enables selective functionalization and makes it a key building block for synthesizing more complex molecules. This compound is primarily needed by the pharmaceutical, agrochemical, and specialty chemical industries for research and development, as well as process chemistry.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those with anti-inflammatory or other therapeutic properties.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators, leveraging its halogenated structure.
• Organic Light-Emitting Diodes (OLEDs): Acts as a starting material for the preparation of advanced organic electronic materials and charge-transport layers.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or a mesogenic core unit for creating specialized polymers and liquid crystal displays (LCDs).
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new organic reactions, catalysis, and material science applications.
• UV Absorber & Stabilizer Precursor: Used in the manufacture of compounds that protect materials from photodegradation.

Basic Information

Product Name	2,5-Dichlorocinnamic Acid
CAS No.	20595-47-5
Molecular Formula	C9H6Cl2O2
Molecular Weight	217.05 g/mol
Synonyms	(2E)-3-(2,5-Dichlorophenyl)-2-propenoic acid; trans-2,5-Dichlorocinnamic Acid; (E)-3-(2,5-Dichlorophenyl)acrylic acid; 2,5-Dichloro-trans-cinnamic Acid; β-(2,5-Dichlorophenyl)acrylic Acid; NSC 403697; 2-Propenoic acid, 3-(2,5-dichlorophenyl)-, (2E)-
EINECS	243-907-5

Quality Control

Our 2,5-Dichlorocinnamic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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