Description

3-(3,4-Dichlorophenyl)-2-Propynoic Acid is a high-purity organic building block featuring a propiolic acid core substituted with a dichlorinated phenyl ring. This compound is valued for its role as a versatile synthetic intermediate, enabling the construction of more complex molecules through reactions at its carboxylic acid and alkyne functional groups. It is primarily sought by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon in the research and synthesis of potential drug candidates, particularly those targeting central nervous system or inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging the bioactivity of the dichlorophenyl moiety.
• Organic Synthesis Building Block: Employed in coupling reactions (e.g., Sonogashira) and cyclization processes to create complex heterocycles or conjugated systems.
• Material Science Research: Serves as a precursor for monomers or functional units in the design of specialty polymers with specific electronic or optical properties.
• Chemical Reference Standard: Used in analytical laboratories for method development, calibration, and quality control testing.

Basic Information

Product Name	3-(3,4-Dichlorophenyl)-2-Propynoic Acid
CAS No.	19498-74-9
Molecular Formula	C9H4Cl2O2
Molecular Weight	215.04 g/mol
Synonyms	3,4-Dichlorophenylpropiolic Acid; 3-(3,4-Dichlorophenyl)propiolic Acid; 3,4-Dichloro-1-propiolylbenzene; 2-Propynoic acid, 3-(3,4-dichlorophenyl)-; (3,4-Dichlorophenyl)propynoic Acid
EINECS	Contact for details

Quality Control

Our 3-(3,4-Dichlorophenyl)-2-Propynoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

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.