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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