Description

cis-1,4-Dibromo-2-Butene is a versatile brominated alkene intermediate of significant importance in synthetic organic chemistry. Its value lies in its bifunctional reactivity, serving as a key building block for the synthesis of complex molecules and advanced materials. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemical Synthesis: Serves as a precursor for herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Acts as a cross-linking agent or monomer in the production of specialty polymers and functional materials.
• Organic Synthesis Building Block: Employed in cyclization reactions, coupling reactions, and as a source of bromine functionality.
• Ligand & Catalyst Preparation: Useful in the development of novel organometallic complexes and catalytic systems.
• Research & Development: A valuable reagent for method development and exploratory chemistry in academic and industrial labs.

Basic Information

Product Name	cis-1,4-Dibromo-2-Butene
CAS No.	18866-73-4
Molecular Formula	C4H6Br2
Molecular Weight	213.90 g/mol
Synonyms	(Z)-1,4-Dibromo-2-butene; (2Z)-1,4-Dibromo-2-butene; 1,4-Dibromo-2-butene (cis); 2-Butene, 1,4-dibromo-, (Z)-; (Z)-2-Butene-1,4-dibromide; cis-2-Butene-1,4-dibromide
EINECS	242-638-8

Quality Control

Our cis-1,4-Dibromo-2-Butene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research and production specifications.

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.8 g/mL

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