Description

(E)-1-Fluoro-2-Chloroethene is a halogenated alkene building block of significant interest in advanced organic synthesis. Its core value proposition lies in its ability to introduce both fluorine and chlorine functionalities in a stereodefined manner, enabling the construction of complex molecular architectures. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of fluorinated and chlorinated active pharmaceutical ingredients (APIs), leveraging the unique electronic and metabolic properties imparted by the halogens.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the (E)-configured haloethene moiety can enhance biological activity and environmental stability.
• Polymer & Material Science: Serves as a monomer or co-monomer for creating specialty polymers with tailored properties such as chemical resistance, thermal stability, or specific surface characteristics.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, cycloadditions, and other transformations to construct complex organic molecules for research and development.
• Liquid Crystal & Electronic Material Precursor: Utilized in the synthesis of fluorinated components for liquid crystal displays (LCDs) and other electronic materials.

Basic Information

Product Name	(E)-1-Fluoro-2-Chloroethene
CAS No.	2268-32-8
Molecular Formula	C2H2ClF
Molecular Weight	80.49 g/mol
Synonyms	(E)-1-Chloro-2-fluoroethene; trans-1-Chloro-2-fluoroethylene; trans-1-Fluoro-2-chloroethylene; (E)-Chlorofluoroethene; 1-Chloro-2-fluoroethene (trans); trans-Chlorofluoroethylene; F-1211; Halocarbon 1121
EINECS	218-875-4

Quality Control

Our (E)-1-Fluoro-2-Chloroethene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, GC-MS, and NMR, to ensure high chemical purity and isomeric integrity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated area, preferably at 2-8°C. Keep away from heat, sparks, open flames, and incompatible materials. Containers should be kept tightly sealed when not in use to prevent evaporation and moisture ingress.

Specification

Item	Specification
Appearance	Colorless liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Isomeric Purity ((E)-isomer)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Non-volatile Residue	≤ 0.01%

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