Description

Octafluorocyclobutane CAS NO 115-25-3 is a fully fluorinated cyclic hydrocarbon, also known as perfluorocyclobutane, characterized by its high chemical and thermal stability. This inert, non-flammable gas is a critical specialty chemical valued for its excellent dielectric properties and low global warming potential. It is essential for manufacturers in the electronics, aerospace, and specialty gas industries seeking reliable performance in demanding applications.

Application

• Electronics Manufacturing: Used as a plasma etchant and chamber cleaning gas in semiconductor fabrication for silicon and silicon nitride.
• Dielectric & Insulating Gas: Serves as a high-voltage insulating medium in specialized electrical equipment and power transmission systems.
• Aerospace & Military: Employed as a tracer gas for leak detection in pressurized systems and as a component in specialty fire suppression formulations.
• Refrigerant & Heat Transfer: Functions in niche low-temperature refrigeration cycles and as a heat transfer fluid due to its stability.
• Chemical Synthesis: Acts as a stable building block or precursor in the synthesis of advanced fluorinated polymers and materials.
• Calibration & Carrier Gas: Utilized as a calibration standard in gas chromatography and as a carrier gas in specific analytical applications.

Basic Information

Product Name	Octafluorocyclobutane
CAS No.	115-25-3
Molecular Formula	C4F8
Molecular Weight	200.03 g/mol
Synonyms	Perfluorocyclobutane; FC-C318; Octafluorocyclobutane; Cyclobutane, octafluoro-; R-C318; Freon C318; Halocarbon C318; Fron C318; Fluorocarbon 318; 1,1,2,2,3,3,4,4-Octafluorocyclobutane
EINECS	204-075-2

Quality Control

Our Octafluorocyclobutane is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous specifications using advanced GC and GC-MS techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance requirements.

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 and gaseous nature, cylinders must be secured upright and handled in accordance with compressed gas safety regulations. Keep container valves tightly closed when not in use.

Specification

Item	Specification
Appearance	Colorless Gas
Identification (IR)	Conforms
Assay (GC)	≥ 99.9% (v/v)
Moisture (KF)	≤ 10 ppm
Oxygen	≤ 5 ppm
Nitrogen	≤ 20 ppm
Total Impurities (GC)	≤ 0.1%

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