HP Gas
Hexafluoro-1,3-butadiene (Hexafluoro-1,3-butadiene)
Properties and Classification
| Appearance: Colorless and odorless gas | UN Number: 3160 |
| CAS Number: 685-63-2 | Liquefied gas |
* Refer to MSDS for detailed information on the properties and safety of the product.
Specification
* Please inquire for the details separately.
Cylinder
| Item | 10L cylinder | 47L cylinder | |
|---|---|---|---|
| Size | Inside diameter | 140mm | 232mm |
| Height (to the neck portion) | 850mm | 1370mm | |
| Height (with a protective cap) * | 1000mm | 1520mm | |
| Valve nozzle height (center) * | 875mm | 1380mm | |
| Loading weight | 5kg, 10kg | 35kg, 50kg | |
| Material | Manganese steel | ||
* Estimated values for when a standard valve is mounted on a standard cylinder. The accuracy of these values is not guaranteed.
Valve
| Nozzle size | Ø22 mm X 14 left-hand threads |
| Material | BRASS |
Physical & Chemical Properties
| Item | Unit | Data |
|---|---|---|
| Chemical formula | C4F6 | |
| Molecular weight | 162.03 | |
| Boiling point | °C | 5.4 |
| Melting point | °C | -132.1 |
| Specific gravity (air: 1) | 5.6 | |
| Liquid density (20°C, saturated liquid) | kg/L | 1.434 |
| Gas density (boiling point) | g/L | 7.096 |
| Critical temperature | °C | 170.7 |
| Critical pressure | MPa | 6.08 |
| kg/cm2 | 62.0 | |
| Flammability | °C | 490 |
| Toxicity | Not applicable | |
| Latent heat of vaporization (boiling point) | kJ/kg | 161.8 |
| Maximum permissible concentration (ACGIH) | ppm | – |
| Explosive limit (in air) | vol% | 5ß`27 |
Temperature – Vapor Pressure Curve
