Description

1,4-Dibromo-2-Butylene is a versatile brominated alkene intermediate with significant utility in organic synthesis. Its high reactivity, particularly in nucleophilic substitution and coupling reactions, makes it a valuable building block for creating complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or advanced materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of various active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Polymer & Material Science: Acts as a cross-linking agent or monomer in the development of specialty polymers, resins, and functional materials.
• Organic Synthesis Building Block: Employed in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to form new carbon-carbon bonds.
• Ligand & Catalyst Preparation: Useful for synthesizing novel ligands and organometallic catalysts used in asymmetric synthesis.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D labs for exploring new synthetic pathways.

Basic Information

Product Name	1,4-Dibromo-2-Butylene
CAS No.	30794-77-5
Molecular Formula	C4H6Br2
Molecular Weight	213.90 g/mol
Synonyms	1,4-Dibromobut-2-ene; trans-1,4-Dibromo-2-butene; (E)-1,4-Dibromo-2-butene; 2-Butene, 1,4-dibromo-; But-2-ene-1,4-dibromide; 1,4-Dibromo-trans-2-butene; NSC 60548
EINECS	250-350-8

Quality Control

Our 1,4-Dibromo-2-Butylene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for industrial and research applications.

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, bases, and oxidizing agents. Recommended storage temperature is between 2°C and 8°C for extended stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (HPLC)	≥ 96.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.8 g/mL
Boiling Point	~80-82°C @ 10 mmHg

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