Description

2-Chloro-3,4-Epoxy-1-Butene is a versatile and reactive chlorinated epoxide intermediate of significant importance in fine chemical synthesis. Its bifunctional structure, featuring both an epoxide ring and a chloroalkene group, makes it a valuable building block for creating complex molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring chlorinated or epoxy-functionalized scaffolds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where its reactive groups allow for the construction of potent bioactive molecules.
• Polymer & Resin Modifier: Serves as a cross-linking agent or a functional monomer to introduce chlorine and epoxy groups into polymer chains, enhancing properties like adhesion and chemical resistance.
• Fine Chemical Building Block: Employed in organic synthesis for creating complex heterocycles, nucleosides, and other specialty chemicals in research and development.
• Epoxy Curing Agent Component: Can be utilized in formulations for advanced epoxy resin systems, contributing to tailored curing profiles and final material properties.

Basic Information

Product Name	2-Chloro-3,4-Epoxy-1-Butene
CAS No.	3132-77-2
Molecular Formula	C₄H₅ClO
Molecular Weight	104.54 g/mol
Synonyms	1-Chloro-3,4-epoxy-2-butene; 3-Chloro-1,2-epoxy-3-butene; 2-Butene, 1-chloro-3,4-epoxy-; 1-Chloro-2,3-epoxy-3-butene; Epichlorobutene; Chloroepoxybutene; 3,4-Epoxy-2-chloro-1-butene; 1-Chloro-3,4-epoxybut-2-ene
EINECS	221-523-6

Quality Control

Our 2-Chloro-3,4-Epoxy-1-Butene is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at temperatures between 2°C and 8°C (refrigerated) to minimize volatility and degradation. Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%
Specific Gravity (20°C)	1.10 - 1.20

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