Description

1,2-Dichlorooctafluorobutane CAS NO 355-21-5 is a fully halogenated chlorofluorocarbon (CFC) derivative characterized by its high volatility and chemical stability. This compound serves as a critical intermediate and specialty solvent in advanced manufacturing processes where inertness and precise physical properties are required. It is primarily utilized by industries involved in electronics, precision cleaning, and specialty chemical synthesis.

Application

• Precision Cleaning Agent: Used in the electronics and aerospace industries for cleaning sensitive components and assemblies due to its high volatility and low residue.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex fluorinated compounds, including pharmaceuticals and agrochemicals.
• Refrigerant & Heat Transfer Fluid: Employed in specialized low-temperature cooling systems and as a calibration standard.
• Dielectric Fluid: Used in high-voltage electrical equipment and transformers for its excellent insulating properties.
• Solvent for Fluoropolymers: Acts as a processing aid and solvent in the manufacture and application of PTFE and other fluorinated coatings.
• Fire Extinguishing Agent: A component in specialized fire suppression systems for high-value assets.
• Carrier Fluid: Used in aerosol formulations and as a carrier for active ingredients in various technical applications.
• Leak Testing: Utilized as a tracer gas in industrial leak detection systems due to its detectability.

Basic Information

Product Name	1,2-Dichlorooctafluorobutane
CAS No.	355-21-5
Molecular Formula	C4Cl2F8
Molecular Weight	270.93 g/mol
Synonyms	1,2-Dichloroperfluorobutane; Octafluoro-1,2-dichlorobutane; FC-318; Freon 318; CFC-318; Perfluorobutane-1,2-dichloride; Halocarbon 318; 1,2-Dichlorotetrafluoroethane dimer
EINECS	206-598-2

Quality Control

Our 1,2-Dichlorooctafluorobutane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) and infrared spectroscopy (IR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and key physical properties are provided to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and open flames. Due to its highly volatile nature, ensure containers are kept upright and sealed when not in use to prevent loss and maintain purity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Boiling Point	~ 92°C
Density at 20°C	~ 1.65 g/mL
Water Content (KF)	≤ 0.01%
Non-volatile Residue	≤ 0.001%

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