Description

1,1-Dibromocyclobutane is a versatile brominated cyclobutane derivative serving as a valuable synthetic intermediate in advanced organic chemistry. Its unique structure makes it a critical building block for constructing complex molecular frameworks, particularly in pharmaceutical and agrochemical research. This compound is essential for chemists and R&D teams in fine chemical synthesis, material science, and life sciences who require high-purity, reliable intermediates for their development pipelines.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, especially those containing cyclobutane rings.
• Agrochemical Synthesis: Used in the development of new pesticides, herbicides, and fungicides where the dibromocyclobutane moiety imparts specific biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced materials with tailored properties.
• Organic Synthesis Building Block: Employed in cycloaddition reactions, ring-expansion chemistry, and as a substrate for metal-catalyzed coupling reactions to create complex organic molecules.
• Ligand and Catalyst Development: Useful in the preparation of novel ligands for transition metal catalysts used in asymmetric synthesis.
• Academic and Industrial R&D: A fundamental reagent for methodological studies and process development in both university laboratories and industrial R&D facilities.

Basic Information

Product Name	1,1-Dibromocyclobutane
CAS No.	33742-81-3
Molecular Formula	C4H6Br2
Molecular Weight	213.90 g/mol
Synonyms	Cyclobutane, 1,1-dibromo-; 1,1-Dibromocyclobutane; Dibromocyclobutane; NSC 106977; 1,1-DBCB; α,α-Dibromocyclobutane
EINECS	Contact for details

Quality Control

Our 1,1-Dibromocyclobutane is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for demanding synthetic applications. We employ advanced analytical techniques including GC, HPLC, and NMR to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and we support custom purity requirements for specific research or production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in amber glass or opaque packaging.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.540 - 1.545
Density (20°C)	1.85 - 1.90 g/mL

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