Description

3,4-Dichlorocinnamic Acid is a halogenated cinnamic acid derivative that serves as a versatile and high-value synthetic intermediate in advanced organic chemistry. Its molecular structure, featuring both a cinnamate backbone and chlorine substituents, makes it a critical building block for the synthesis of complex molecules. This compound is essential for research and development laboratories, pharmaceutical manufacturers, and agrochemical companies seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting inflammation and central nervous system disorders.
• Agrochemical Synthesis: Used as a building block for developing advanced herbicides, fungicides, and plant growth regulators with enhanced activity.
• Liquid Crystal & OLED Materials: Serves as a core structure for synthesizing specialty monomers and polymers used in electronic display technologies.
• Organic Synthesis & Research: A valuable reagent for studying structure-activity relationships (SAR) and for creating libraries of compounds in medicinal chemistry.
• UV Absorber & Stabilizer Precursor: Used in the development of light-stabilizing additives for polymers and coatings.
• Bioconjugate Chemistry: The carboxylic acid group allows for conjugation to biomolecules, useful in probe and diagnostic agent development.

Basic Information

Product Name	3,4-Dichlorocinnamic Acid
CAS No.	1202-39-7
Molecular Formula	C9H6Cl2O2
Molecular Weight	217.05 g/mol
Synonyms	(E)-3-(3,4-Dichlorophenyl)acrylic acid; 3,4-Dichloro-trans-cinnamic acid; trans-3,4-Dichlorocinnamic acid; 3-(3,4-Dichlorophenyl)-2-propenoic acid; β-(3,4-Dichlorophenyl)acrylic acid; NSC 406908; 2-Propenoic acid, 3-(3,4-dichlorophenyl)-
EINECS	214-873-6

Quality Control

Our 3,4-Dichlorocinnamic Acid is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your internal quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	205°C - 210°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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