Description

(E)-1,1-Dichloro-2-Butene is a versatile chlorinated butene derivative with a defined stereochemistry, serving as a key intermediate in advanced organic synthesis. Its value lies in its reactive dichloroalkene structure, which enables precise chemical transformations for building complex molecular architectures. This compound is essential for R&D chemists and process developers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific functional groups or create novel heterocyclic compounds.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Serves as a building block for creating herbicides, fungicides, and insecticide precursors.
• Specialty Polymer Modifier: Acts as a monomer or cross-linking agent in the production of specialty polymers with unique properties.
• Organic Synthesis Reagent: A valuable reagent for Diels-Alder reactions, nucleophilic substitutions, and other carbon-carbon bond forming reactions in fine chemical production.
• Ligand and Catalyst Development: Utilized in the research and development of novel organometallic complexes and catalytic systems.
• Flavor and Fragrance Industry: Employed as an intermediate for synthesizing specific aroma chemicals and flavor compounds.

Basic Information

Product Name	(E)-1,1-Dichloro-2-Butene
CAS No.	51157-81-4
Molecular Formula	C4H6Cl2
Molecular Weight	124.99 g/mol
Synonyms	trans-1,1-Dichloro-2-butene; (E)-1,1-Dichloro-2-butene; 1,1-Dichloro-2-butene, (E)-; 2-Butene, 1,1-dichloro-, (E)-; (E)-1,1-Dichlorobut-2-ene; trans-1,1-Dichlorobut-2-ene
EINECS	Contact for details

Quality Control

Our (E)-1,1-Dichloro-2-Butene is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong bases and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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