CAS No. 685-63-21 Hexafluorobutadiene Supplier. Characteristics of Hexafluorobutadiene

The CAS number you've provided, 685-63-21, does not correspond to hexafluorobutadiene (HFB). The correct CAS number for hexafluorobutadiene is 376-59-8. Hexafluorobutadiene is a fluorocarbon that has the molecular formula C4F6 and is used in various industrial applications including semiconductor manufacturing, as an etchant, and as a plasma polymerization monomer.

Characteristics of Hexafluorobutadiene:

Chemical Formula: C4F6
Molecular Weight: Approximately 186.03 g/mol
Boiling Point: Around -55 °C (under standard atmospheric pressure)
Melting Point: Around -140 °C
Appearance: Colorless gas or liquid under pressure
Solubility in Water: Insoluble
Stability: Stable under normal conditions, but decomposes when exposed to high temperatures or strong bases.
Reactivity: It can react with moisture in air to form HF which is highly corrosive and toxic.
Hazards: Hexafluorobutadiene is toxic by inhalation, and its decomposition products can be hazardous. It is also a potent greenhouse gas.
If you are looking to purchase hexafluorobutadiene, it's recommended to contact these companies directly or their local distributors to inquire about product availability, purity grades, and pricing. Safety precautions should always be considered due to the hazardous nature of the substance.