Description

4,4-Dichlorocrotonic Acid is a versatile halogenated carboxylic acid derivative, serving as a key synthetic intermediate in advanced organic synthesis. Its value lies in the reactive dichloroalkene moiety, which enables selective functionalization and cyclization reactions. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions, Michael additions, and other cyclization processes to construct complex organic frameworks.
• Material Science Research: Acts as a monomer or precursor for developing specialized polymers and functional materials.
• Chemical Research & Development: Serves as a standard or starting material in academic and industrial R&D labs for methodological studies.

Basic Information

Product Name	4,4-Dichlorocrotonic Acid
CAS No.	16502-88-8
Molecular Formula	C4H4Cl2O2
Molecular Weight	154.98 g/mol
Synonyms	4,4-Dichloro-2-butenoic Acid; (E)-4,4-Dichlorobut-2-enoic Acid; trans-4,4-Dichlorocrotonic Acid; 2-Butenoic acid, 4,4-dichloro-; Crotonic acid, 4,4-dichloro-
EINECS	240-599-9

Quality Control

Our 4,4-Dichlorocrotonic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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). Due to its nature as a strong acid/organic solvent, keep away from heat, sparks, open flames, 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	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.