Note: Typical properties are not suitable for specification purposes

1.Application
It is mainly used as spraying agent in food industry, refrigerant, etchant for integrated circuit, it also used as dielectric blend with SF6, and polymerization aid for fluorinated compounds.

2. Product Identification
Product Name：Octafluorocyclobutane; Perfluorocyclobutane; Freon C318;
Halocarbon C318
CAS#: 115-25-3; EINECS#: 204-075-2; HS code: 2903890090

3.  Physical and Chemical Properties
Physical state: A colorless, odorless and non-flammable gas
Molecular Formula: C4F8
Molecular weight: 200.03; Melting point: -41.4℃
Boiling point: -5.85℃; Liquid density (25℃): 1.62g/cm3

4.Packing and storage
It is packed in cylinders at a filling ratio of 1.296kg/L. After closing the valve, it is to tighten up the stopper and cap to ensure no leakage. During transportation of cylinder, it also prevents from shocking. Storage should be provided with good ventilation and dry conditions, keeping away from heat source.

5.Precautions
When the concentration of the product in the air reaches such a level that oxygen content in the air reduces to lower than 19.5%, it will cause suffocation. Rescuing work should be provided with self-support aspirators. Contact with the products will cause frostbite.