Description

α-Chloroacrylic Acid Chloride is a highly reactive acyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce the reactive α-chloroacryloyl moiety, enabling the construction of complex molecules with tailored functionalities. This compound is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries, where it is used to create active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the production of active pharmaceutical ingredients (APIs), particularly those requiring an α,β-unsaturated carbonyl structure.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and insecticides, where it acts as a precursor for bioactive molecules.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for the synthesis of specialty polymers, including coatings, adhesives, and resins with specific chemical resistance.
• Chemical Research: A versatile reagent in academic and industrial R&D labs for exploring new organic reactions and synthesizing novel compounds.
• Dye and Pigment Production: Employed in the synthesis of advanced colorants and functional dyes.
• Liquid Crystal and OLED Material Precursor: Used in the creation of advanced electronic and display materials.

Basic Information

Product Name	α-Chloroacrylic Acid Chloride
CAS No.	21369-76-6
Molecular Formula	C3H2Cl2O
Molecular Weight	124.96 g/mol
Synonyms	2-Chloroacryloyl Chloride; α-Chloroacryloyl Chloride; 2-Chloroprop-2-enoyl Chloride; (2-Chloro-2-propenoyl) Chloride; 2-Propenoyl Chloride, 2-chloro-; NSC 163063; Acrylic acid, 2-chloro-, chloride
EINECS	244-349-4

Quality Control

Our α-Chloroacrylic Acid Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to cGMP guidelines where applicable, and all materials are supported by comprehensive analytical documentation. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, alcohols, and amines. Due to its reactivity as a strong acid/organic solvent, it should be handled with appropriate precautions. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%

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