Description

1,2-Dibromo-1-Butene CAS NO 55030-56-3 is a halogenated alkene building block of significant interest in advanced organic synthesis. Its value lies in its dual reactive sites, making it a versatile precursor for constructing complex molecular frameworks. This compound is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as cross-coupling reactions and the synthesis of novel intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and investigational new drugs.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Specialty Polymer Modifier: Acts as a functional monomer or cross-linking agent to introduce bromine functionality into polymer chains, altering properties like flame retardancy.
• Organic Synthesis Reagent: Employed in various name reactions, including Suzuki-Miyaura and other palladium-catalyzed cross-couplings, to form new carbon-carbon bonds.
• Chemical Research & Development: A valuable tool in academic and industrial labs for exploring new synthetic methodologies and creating novel chemical entities.
• Ligand and Catalyst Preparation: Utilized in the synthesis of specialized ligands and organometallic catalysts.

Basic Information

Product Name	1,2-Dibromo-1-Butene
CAS No.	55030-56-3
Molecular Formula	C₄H₆Br₂
Molecular Weight	213.90 g/mol
Synonyms	1,2-Dibromobut-1-ene; 1-Butene, 1,2-dibromo-; (1E)-1,2-Dibromo-1-butene; 1,2-Dibromo-1-butene (E)-; 1,2-Dibromobutene; NSC 60548
EINECS	Contact for details

Quality Control

Our 1,2-Dibromo-1-Butene is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for manufacturing critical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. Due to its highly volatile nature, ensure containers are securely sealed when not in use.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Purity (HPLC)	≥ 96.0%
Isomer Ratio (E/Z)	Reported on COA
Water Content (KF)	≤ 0.5%

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