Clean Gas Octafluorocyclobutane
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Clean Gas FC-C318 (Clean Gas Octafluorocyclobutane)
Technical Data
| Appearance: Colorless and odorless gas | UN Number: 1976 |
| CAS Number: 115-25-3 | Liquefied gas |
* Refer to MSDS for detailed information on the properties and safety of the product.
Specification
| Purity | vol% | Min. 99.999 |
|---|---|---|
| Water | volppm | Max. 10 |
| Acids as HF | volppm | Max. 1 |
| Other fluorocarbons | volppm | Max. 4 |
| N2+O2 | volppm | Max. 20 |
| Particle | Not smaller than 0.1 micrometer | Max. 60/C.F. |
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 | |
| Loading weight | 5kg, 10kg | 30kg, 50kg | |
| Material | Manganese steel (Clean-S-treated) | ||
* 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 right-hand threads |
|---|---|
| Material | SUS316L |
Physical & Chemical Properties
| Item | Unit | Data |
|---|---|---|
| Chemical formula | C4F8 | |
| Molecular weight | 200.03 | |
| Boiling point | °C | -5.75 |
| °F | -21.5 | |
| Melting point | °C | -41.4 |
| Liquid density (0°C, saturated liquid) | kg/L | 1.6 |
| Gas density (0°C, saturated liquid)) | g/L | 12.03 |
| Specific gravity (air: 1) | 6.9 | |
| Critical temperature | °C | 115.22 |
| Critical pressure | MPa | 2.7 |
| kg/cm2 | 27.5 | |
| Flammability | Not applicable | |
| Toxicity | Not applicable | |
| Latent heat of vaporization (0°C, 1013MPa) | kJ/kg | 246.7 |
| Maximum permissible concentration (ACGIH) | ppm | - |
| Explosive limit (in air, 35°C, 101.3kPa) | - |
Temperature - Vapor Pressure Curve
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