Description

4-Bromo-1,1,2,2-Tetrafluorobutane (Saltdata: Free) is a highly volatile fluorinated organic intermediate. This compound is valued for its unique combination of fluorine and bromine atoms, which makes it a versatile building block for introducing specific functionalities into target molecules. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for applications such as synthesis and chemical modification.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing fluorinated and brominated moieties.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides where the fluorine-bromine combination can enhance biological activity and environmental stability.
• Advanced Material Precursor: Acts as a monomer or modifier in the production of specialty polymers, coatings, and liquid crystals with tailored properties.
• Organic Synthesis Reagent: Employed in cross-coupling reactions, nucleophilic substitutions, and as a source of fluorinated alkyl chains in complex molecule construction.
• Electrolyte Additive Research: Investigated for use in lithium-ion battery electrolytes to improve performance and safety characteristics.
• Refrigerant & Propellant Research: Studied as a potential component in next-generation, low-global-warming-potential (GWP) fluorocarbon blends.

Basic Information

Product Name	4-Bromo-1,1,2,2-Tetrafluorobutane (Saltdata: Free)
CAS No.	234443-20-0
Molecular Formula	C4H3BrF4
Molecular Weight	210.96 g/mol
Synonyms	1-Bromo-4,4,5,5-tetrafluorobutane; 4,4,5,5-Tetrafluoro-1-bromobutane; Butane, 4-bromo-1,1,2,2-tetrafluoro-; 4-Bromo-1,1,2,2-tetrafluorobutane; 234443-20-0; Tetrafluorobutyl bromide; 4-Bromotetrafluorobutane
EINECS	Contact for details

Quality Control

Our 4-Bromo-1,1,2,2-Tetrafluorobutane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials. 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 to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.8 g/mL

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