Description

1,2-Dibromoethylene CAS NO 590-12-5 is a versatile halogenated alkene primarily used as a key synthetic intermediate and building block in organic chemistry. Its high reactivity, stemming from the two bromine atoms on adjacent carbons, makes it valuable for introducing the dibromoethylene moiety into more complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it serves in cyclization reactions, polymer modification, and the synthesis of flame retardants.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules through cycloaddition or coupling reactions.
• Agrochemical Synthesis: Acts as a precursor in the manufacture of certain pesticides, herbicides, and fungicides.
• Flame Retardant Formulation: Serves as a building block or additive in the production of flame-retardant materials and polymers.
• Organic Synthesis & Research: A valuable reagent in laboratories for Diels-Alder reactions, halogenation cascades, and the study of vicinal dibromo compound chemistry.
• Polymer Modification: Used to introduce bromine functionality into polymer chains to alter properties like flammability or reactivity.
• Cross-coupling Reactions: Functions as a substrate in various metal-catalyzed cross-coupling reactions (e.g., Suzuki, Heck) to form carbon-carbon bonds.

Basic Information

Product Name	1,2-Dibromoethylene
CAS No.	590-12-5
Molecular Formula	C2H2Br2
Molecular Weight	185.85 g/mol
Synonyms	1,2-Dibromoethene; (E)-1,2-Dibromoethylene; (Z)-1,2-Dibromoethylene; trans-1,2-Dibromoethylene; cis-1,2-Dibromoethylene; Acetylene dibromide; sym-Dibromoethylene; Dibromoethene; EINECS 209-672-4
EINECS	209-672-4

Quality Control

Our 1,2-Dibromoethylene is produced and handled under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality system is designed to meet the stringent requirements of research and industrial-scale manufacturing.

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 acids, bases, and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Isomer Ratio (cis/trans)	Contact for details
Water Content (KF)	≤ 0.5%
Non-volatile Residue	≤ 0.1%

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