Description

3-Chloro-2-Butenoic Acid is a versatile chlorinated unsaturated carboxylic acid that serves as a key synthetic intermediate in advanced organic chemistry. Its reactive chloro and carboxylic acid functionalities make it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a chlorinated butenoic acid backbone.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where its structure contributes to biological activity.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, nucleophilic substitution reactions, and as a starting material for the preparation of esters, amides, and other derivatives.
• Polymer Chemistry: Acts as a monomer or co-monomer for specialty polymers, introducing chlorine and unsaturation into polymer chains for modified properties.
• Chemical Research & Development: Utilized in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Dyestuff and Pigment Intermediate: Serves in the synthesis of complex organic dyes and pigments, leveraging its reactive sites for chromophore development.

Basic Information

Product Name	3-Chloro-2-Butenoic Acid
CAS No.	55831-56-6
Molecular Formula	C4H5ClO2
Molecular Weight	120.53 g/mol
Synonyms	3-Chlorocrotonic Acid; (E)-3-Chlorobut-2-enoic Acid; trans-3-Chloro-2-butenoic Acid; 3-Chloro-2-butenoic Acid; 3-Chlorobut-2-enoic Acid; β-Chlorocrotonic Acid; NSC 403697
EINECS	Contact for details

Quality Control

Our 3-Chloro-2-Butenoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global clientele. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your specifications.

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. Due to its acidic nature, containers should be kept tightly sealed to prevent moisture absorption and potential corrosion. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	85°C - 89°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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