Description

1-Bromo-1,1-Difluoro-Ethane is a versatile halogenated hydrocarbon building block, valued for its unique combination of bromine and fluorine atoms which impart specific reactivity and physical properties. This compound is essential for introducing difluoroethyl and bromodifluoroethyl moieties into complex molecules, enabling precise structural modifications. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for synthesis and formulation work.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of fluorinated drug candidates to enhance metabolic stability and bioavailability.
• Agrochemical Synthesis: Serves as a key precursor for creating novel pesticides and herbicides, where the fluorine atoms can improve activity and environmental persistence.
• Refrigerant & Propellant Formulation: Acts as a component in specialty blends for refrigeration systems and aerosol propellants due to its volatility and thermodynamic properties.
• Fire Extinguishing Agents: Utilized in the formulation of advanced, environmentally conscious fire suppression halons and halon replacements.
• Polymer Modification: Employed as a monomer or grafting agent to introduce fluorine-containing groups into polymers, altering surface energy and chemical resistance.
• Organic Synthesis Reagent: Functions as an electrophilic reagent in various fluorination and alkylation reactions in fine chemical and academic research laboratories.

Basic Information

Product Name	1-Bromo-1,1-Difluoro-Ethane
CAS No.	420-47-3
Molecular Formula	C2H3BrF2
Molecular Weight	144.95 g/mol
Synonyms	Halon 2402; 1,1-Difluoro-1-bromoethane; Ethane, 1-bromo-1,1-difluoro-; Freon 2402; R-2402; FC-2402; Bromodifluoroethane; 1-Bromo-1,1-difluoroethane
EINECS	207-018-5

Quality Control

Our 1-Bromo-1,1-Difluoro-Ethane is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, NMR, and Karl Fischer titration, to ensure it meets the required purity and identity specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality attributes. We are committed to consistent supply and traceability 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 high volatility, ensure containers are kept upright and sealed when not in use. Recommended storage temperature is 2-8°C (36-46°F) for long-term stability, though it can be stored at controlled room temperature for short periods.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.05%
Density (at 20°C)	1.70 - 1.75 g/mL
Boiling Point	24 - 26 °C

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