Description

2-Chlorobut-2-Enoic Acid is a halogenated unsaturated carboxylic acid that serves as a versatile building block in advanced organic synthesis. Its reactive α,β-unsaturated carbonyl structure and chlorine substituent make it a valuable intermediate for constructing complex molecular frameworks. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce functionalized acid moieties into target molecules.

Application

• Pharmaceutical Intermediate: Key starting material (KSM) or building block for the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require a chlorinated acid component.
• Polymer Chemistry: Acts as a monomer or co-monomer for creating specialized polymers with unique properties, such as functionalized acrylic resins.
• Organic Synthesis Reagent: Employed in Michael addition reactions, nucleophilic substitution, and other transformations to introduce carboxylic acid functionality.
• Chemical Research: Utilized in academic and industrial R&D for exploring new synthetic pathways and developing novel compounds.
• Dye and Pigment Manufacturing: Serves as an intermediate in the synthesis of complex organic colorants.

Basic Information

Product Name	2-Chlorobut-2-Enoic Acid
CAS No.	600-13-5
Molecular Formula	C4H5ClO2
Molecular Weight	120.53 g/mol
Synonyms	2-Chlorocrotonic Acid; (E)-2-Chlorobut-2-enoic Acid; trans-2-Chlorocrotonic Acid; 2-Chloro-2-butenoic Acid; β-Chlorocrotonic Acid; Crotonic acid, 2-chloro-; But-2-enoic acid, 2-chloro-
EINECS	209-987-4

Quality Control

Our 2-Chlorobut-2-Enoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

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 and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Due to its acidic nature, containers should be kept tightly sealed to prevent moisture absorption and potential corrosion.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	88°C - 92°C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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