High-Purity Nitrous Oxide
Properties and Classification
| Appearance: Colorless gas or liquid | UN Number: 1070(compressed gas), 2201(liquefied gas) |
| Odor: Sweet aroma | CAS Number: 10024-97-2 |
※Refer to MSDS for detailed information on the properties and safety of the product.
Specification
| Purity | vol% | Min. 99.999 |
| O2 | volppm | Max. 2.0 |
| N2 | volppm | Max. 3.0 |
| CH4 | volppm | Max. 1.0 |
| CO | volppm | Max. 1.0 |
| CO2 | volppm | Max. 0.1 |
| H2O | volppm | Max. 2.0 |
Cylinder
| Item | 10L cylinder | 47L cylinder | |
| Size | Inside diameter | 140mm※ | 232mm※ |
| Height (to the neck portion) | 850mm※ | 1195mm※ | |
| Height (with a protective cap)※ | 1000mm※ | 1340mm※ | |
| Valve nozzle height (center)※ | 885mm | 1230mm※ | |
| Loading weight | 7.5kg | 30kg※ | |
| 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.
Value
| Nozzle size | φ22 mm X 14 right-hand threads |
| Material | BRASS |
Physical & Chemical Properties
| Item | Unit | Data |
| Chemical formula | N2O | |
| Molecular weight | 44.01 | |
| Boiling point | °C | -88.48 |
| °F | -127.2 | |
| Melting point (87.8 kPa) | °C | -90.85 |
| Specific gravity (air: 1) (0°C, 101.3 kPa) | 1.977 | |
| Liquid density (boiling point) | kg/L | 1.226 |
| Gas density (0°C, 101.3 kPa) | g/L | 1.977 |
| Critical temperature | °C | 36.41 |
| Critical pressure | MPa | 7.24 |
| Flammability | Not applicable | |
| Toxicity | Not applicable | |
| Latent heat of vaporization (0°C, 1013 MPa) | kJ/kg | 376.1 |
| Maximum permissible concentration (ACGIH, TLV-TWA) | ppm | 50 |
| Explosive limit (in air, 35°C, 101.3 kPa) | – |
Temperature – Vapor Pressure Curve
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