Medical Grade Nitrous Oxide (N₂O)
Reliable Medical Gas Supply from a Global N₂O Supplier
Medical-grade nitrous oxide (N₂O) is used as an analgesic and anesthetic to help patients manage pain and remain calm during medical and dental procedures.
DSW supplies high-purity medical nitrous oxide in both liquid and gaseous forms, providing flexible packaging solutions to suit various operational requirements. We offer a comprehensive range of cylinder sizes, types, and purity grades, enabling reliable supply for any medical or clinical application.
Key Product Highlights
- Gas: Nitrous Oxide (N₂O)
- Grade: Medical (Industrial / Electronic purity available)
- Cylinder Capacity: 40L (water capacity)
- Purity Options: 99.9% (standard), up to 99.999%
- Supply Form: Compressed gas or liquid
- Standard: ISO 9809-3
- Working Pressure: 150 bar

Cylinder Specifications & Packaging
Medical N2o Gas Packaging Specifications
| Item | 10L Cylinder | 40L Cylinder |
|---|---|---|
| Outside Diameter | 140 / 152 / 159 mm | 219 mm |
| Height | 950 / 890 / 790 mm | 1333 mm |
| Weight | 13.4 / 12.6 / 12.7 kg | 48 kg |
| Working Pressure | 150 bar | 150 bar |
| Test Pressure | 250 bar | 250 bar |
| Material | 37Mn | 37Mn |
| Wall Thickness | 4.1 / 4.4 / 4.4 mm | 5.7 mm |
| Standard | ISO 9809-3 | ISO 9809-3 |
| Filling Weight (N₂O) | 5 kg | 20 / 24 kg |
Gas Supply & Delivery Options
- Liquid nitrous oxide supplied in transportable liquid cylinders
- Compressed gaseous nitrous oxide supplied in cylinders of various sizes
- Larger containers and bulk supply options available upon request
Our logistics and export experience ensure safe, compliant, and reliable delivery worldwide.
Nitrous Oxide Applications
Medical grade nitrous oxide – supplied for medical and/or dental applications – available in different gas cylinder sizes; liquid also available.
Industrial application: Nitrous oxide is used as an oxidizer in cylinders for performance automotive applications and chemical oxidation.
Nitrous oxide is also used in industrial applications such as refrigeration and leak detection.
Laboratory applications and semiconductor manufacturing require the highest purity UHP and Semiconductor grade nitrous oxide.
Food grade nitrous oxide applications include use as a propellant (whipped cream and some other food products).
What is N2O?
Nitrous oxide is a clear, colorless, slightly sweet-smelling, non-irritating gas supplied in blue (ultramarine) cylinders as determined by AS4484.
Cylinder sizes are available in 1.5L, 3.0L, 10L, 25L, 35L, and 50L as measured by nominal water capacity.
Chemical Formula: N2O Grade: USP (U. S. Pharmacopeia)
Medical Applications: As an analgesic, often in combination with other agents for anesthesia. N2O is also used in cryosurgery.
Typical Applications
- Anesthesia and analgesia in hospitals
- Dental and surgical procedures
- Medical gas supply systems
- Healthcare and clinical facilities
Each 40L medical nitrous oxide cylinder is inspected and tested before delivery, ensuring dependable quality, regulatory compliance, and safe operation throughout its service life.




















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