Description

(E)-1,2-Dichloro-2-Butene is a versatile chlorinated butene derivative, a key intermediate in fine chemical synthesis. Its value lies in its reactive dichloroalkene structure, which serves as a crucial building block for constructing more complex molecules in advanced manufacturing. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the manufacture of pesticides, herbicides, and other crop protection agents.
• Specialty Polymer & Resin Production: Acts as a monomer or cross-linking agent in the synthesis of specialized polymers.
• Organic Synthesis & Research: A valuable reagent for Diels-Alder reactions, nucleophilic substitutions, and other transformations in laboratory and process chemistry.
• Chemical Intermediate for Dyes & Pigments: Employed in the synthesis of complex organic colorants.
• Lubricant & Fuel Additive Precursor: Used in the development of performance-enhancing chemical additives.

Basic Information

Product Name	(E)-1,2-Dichloro-2-Butene
CAS No.	15224-29-0
Molecular Formula	C4H6Cl2
Molecular Weight	124.99 g/mol
Synonyms	trans-1,2-Dichloro-2-butene; (E)-1,2-Dichloro-2-butene; 1,2-Dichloro-2-butene (E)-; 2-Butene, 1,2-dichloro-, (E)-; trans-1,2-Dichlorobut-2-ene; (E)-1,2-Dichlorobut-2-ene; 1,2-Dichloro-trans-2-butene
EINECS	239-249-4

Quality Control

Our (E)-1,2-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 consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your specific research or production requirements.

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. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Isomeric Purity (E-isomer)	≥ 99.0%
Water Content (KF)	≤ 0.1%
Residue on Evaporation	≤ 0.05%

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