Description

1,4-Dichloro-3-Buten-2-One is a versatile chlorinated enone building block used in advanced organic synthesis. This compound is valued for its reactive dichloroacetyl and α,β-unsaturated ketone functionalities, enabling the construction of complex heterocyclic and pharmaceutical intermediates. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various heterocyclic compounds and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Fine Chemical Building Block: Serves as a versatile electrophile in Michael addition and nucleophilic substitution reactions for custom synthesis.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent for specialty polymers with specific functional properties.
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic colorants and photostable pigments.
• Research & Development: A valuable reagent in academic and industrial labs for methodological development and novel compound library generation.

Basic Information

Product Name	1,4-Dichloro-3-Buten-2-One
CAS No.	69711-44-0
Molecular Formula	C4H4Cl2O
Molecular Weight	138.98 g/mol
Synonyms	1,4-Dichlorobut-3-en-2-one; 3-Buten-2-one, 1,4-dichloro-; Dichlorovinyl ketone; 1,4-Dichloro-3-butenone; 1,4-Dichlorobut-3-enone; 3-Buten-2-one, 1,4-dichloro- (9CI); 1,4-Dichloro-2-buten-1-one
EINECS	Contact for details

Quality Control

Our 1,4-Dichloro-3-Buten-2-One is manufactured under strict process controls to ensure batch-to-batch consistency and high purity suitable for synthetic applications. Each lot undergoes rigorous analytical testing, including chromatography and spectroscopic methods. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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