Description

cis-1,2-Dibromoethylene is a halogenated alkene primarily used as a versatile intermediate and reagent in organic synthesis. Its high reactivity, particularly in addition and cycloaddition reactions, makes it a valuable building block for creating more complex chemical structures. This compound is essential for R&D chemists and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce bromine-containing functional groups.

Application

• Organic Synthesis Intermediate: A key reagent for the synthesis of complex molecules, including pharmaceuticals and natural product analogs.
• Agrochemical Production: Used in the manufacture of certain pesticides and herbicides as a brominating agent or precursor.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Flame Retardant Research: Investigated as a potential precursor or additive in the development of brominated flame retardants.
• Laboratory Reagent: Employed in academic and industrial research for studying stereospecific reactions and reaction mechanisms.
• Chemical Synthesis of Fine Chemicals: Used in the production of dyes, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	cis-1,2-Dibromoethylene
CAS No.	590-11-4
Molecular Formula	C2H2Br2
Molecular Weight	185.85 g/mol
Synonyms	(Z)-1,2-Dibromoethene; cis-1,2-Dibromoethene; (Z)-Dibromoethylene; cis-Dibromoethylene; 1,2-Dibromoethylene (cis-); Bromofume; EINECS 209-677-2
EINECS	209-677-2

Quality Control

Our cis-1,2-Dibromoethylene is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including purity assay and impurity profiling, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing specific results are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 between 15°C and 25°C. Keep container tightly sealed when not in use to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	2.20 - 2.30 g/mL
Boiling Point	~108-110 °C
Water Content (KF)	≤ 0.5%

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