Description

1,2-Dichloro-3,3-Difluorobutane is a halogenated organic compound with a unique combination of chlorine and fluorine atoms, making it a valuable intermediate in advanced chemical synthesis. This compound is particularly significant for its role in the development of fluorinated materials and specialty chemicals, where its structure imparts desirable properties like thermal stability and chemical resistance. It is primarily sought after by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for creating novel molecules and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of fluorinated active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, pesticides, and fungicides where fluorine incorporation enhances biological activity and environmental stability.
• Specialty Polymer & Resin Production: Acts as a monomer or modifier in the creation of fluoropolymers and high-performance resins with improved chemical and thermal resistance.
• Organic Synthesis Reagent: Employed in research and development for introducing chlorine and fluorine functional groups into complex organic molecules.
• Refrigerant & Propellant Formulation: Investigated as a potential component in next-generation, low-global-warming-potential (GWP) refrigerant blends.
• Electronics Industry: Used in the formulation of specialty cleaning agents and etching solutions for semiconductor manufacturing.

Basic Information

Product Name	1,2-Dichloro-3,3-Difluorobutane
CAS No.	381-85-1
Molecular Formula	C4H6Cl2F2
Molecular Weight	156.99 g/mol
Synonyms	1,2-Dichloro-3,3-difluorobutane; Butane, 1,2-dichloro-3,3-difluoro-; 3,3-Difluoro-1,2-dichlorobutane; 1,2-Dichloro-3,3-difluorobutane (major isomer); Halon 252 precursor; HCFC-252 isomer; Fluorocarbon 252fb
EINECS	206-842-5

Quality Control

Our 1,2-Dichloro-3,3-Difluorobutane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment. We are committed to meeting the stringent requirements of cGMP and ISO 9001 standards for industrial and research applications.

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 between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (20°C)	1.35 - 1.45 g/mL
Boiling Point	Approx. 110 - 120°C
Related Substances (GC)	Total impurities ≤ 2.0%

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